chux trux towing & trailer hitches
DESCRIPTION
Everything You Ever Wanted to Know About Towing Want to learn more about towing a trailer? We've got the answers! Our experts have written a complete guide to everything you could want to know about towing safely.TRANSCRIPT
Towing & Trailer Hitches
by Chux Trux
Kansas City’s Leading Truck Accessory Dealer
Towing & Trailer Hitches by Chux Trux 1
Table of Contents
Acknowledgements ---------------------------------------------------- 2
Introduction ---------------------------------------------------------------- 3
Towing and Safety Requirements ---------------------------------- 5
Selecting the Correct Trailer Hitch --------------------------------- 9
Determining Towing Capacity Needed ----------------------- 16
Trailer Wiring -------------------------------------------------------------- 24
Installing a Trailer Hitch ----------------------------------------------- 30
Hooking up the Trailer ------------------------------------------------ 33
Safety ----------------------------------------------------------------------- 37
Trailer Brakes ------------------------------------------------------------- 40
Copyright © 2013 by Chux Trux
Disclaimer
This information is accurate to the best of our knowledge but not guaranteed. Always
consult your vehicle’s owner’s manual for the trailer and hauling recommendations of
your vehicle’s manufacturer.
Towing & Trailer Hitches by Chux Trux 2
CURT
Manufacturing, LLC
Stands for
EXCELLENCE
in products and people
Acknowledgements
This book, like most books would not
be possible without the support of
many. We would be remiss in not
acknowledging the role CURT
Manufacturing played in developing
much of the content and supplying
many of the images in this book.
A special thanks and “hats off” to Marcia
Adelman of CURT manufacturing. Maria
was the original project manager and
editor for Towing 101. Without Marcia’s
support and assistance this book would
not be possible.
CURT manufacturing is the leader in
towing products at Chux Trux. From trailer
hitches, to trailer balls, to specialized
towing equipment CURT has it all.
We strongly encourage you to turn to
CURT for all your towing products
requirements.
Towing & Trailer Hitches by Chux Trux 3
Campers
Boats
Fifth Wheels
Motorcycles
ATV’s Horse Trailers
Introduction
Sooner or later every car or truck
enthusiast will be faced with towing a
trailer. Whether it’s a fifth wheel
camper, towing a boat, towing a
horse trailer, a trailer full of
motorcycles or ATV’s, or a towing
race car, you’re going to want to get
where you need to go safely and
without stress.
And really, there shouldn’t be any stress
about towing. You get enough of that at
work, (some of you may get that at home
too, if you know what we mean!) you sure
don’t need it when you’re on your way to
the lake, the mountains, or the race
track.
There really isn’t anything difficult or
especially tricky about towing, you just
need to understand the basics, make
sure you have the proper equipment for
the task at hand, and go about using it
with safety foremost in your mind. So let’s
look at what you need to know before
you hook up that trailer hitch for the first
time.
Be Prepared
Right up front you have to be prepared
Towing & Trailer Hitches by Chux Trux 4
for the changes in the way you must
drive. Your vehicle is going to handle
completely differently with any sort of
trailer tagging along behind you. You are
now driving a vehicle that is much longer
and heavier than what you’ve been
used to. It may be slower too and it will
not stop as quickly as it does without that
trailer. Changing lanes on the interstate
takes more care now to make sure you
have enough space behind you and
there’s just a lot more you have to think
about.
Fortunately, if your tow vehicle is properly
equipped and the trailer and tow vehicle
are well matched, towing is not only less
stressful than you might think, but it will
actually be fun and just as easy as
normal driving.
Determine the Type of Hitch
Before you can begin to select the right
trailer hitch and other towing gear for
your vehicle you have to know what sort
of trailer you’ll be pulling. A huge 5th
wheel or gooseneck travel trailer has
different requirements than a small,
relatively lightweight boat trailer. The type
of trailer you need will determine the type
of hitch you need. A receiver hitch will
suffice for many types of tag along trailers,
but if you are pulling a large camper or
racecar hauler you may need a
gooseneck hitch or 5th wheel hitch.
Another consideration is where you plan to
go with your trailer. Pulling a load of ATV’s
out to that special place in the desert or
the mountains is very different from cruising
down the interstate with a camper.
Your Tow Vehicle
Your tow vehicle and how it is equipped
also plays a major role in the safety and
stress level of your towing. You can pull a
trailer with almost anything on the road,
but even more important is stopping the
tow vehicle and trailer combination. Are
the brakes on your tow vehicle up to the
task of bringing the combined weight of
your rig to a safe stop from freeway
speeds, or especially in an emergency
situation? As you get into larger trailers
most will come with some sort of braking
system of their own that can be controlled
from the tow vehicle.
Many new pickup trucks can be ordered
with a towing package. This will include
things like a heavy duty cooling system,
heavy duty transmission, some additional
electrical circuits for the trailer lights, an
appropriate hitch, of course, and a brake
controller for the trailer’s brakes. All of these
things can also be retro fitted to your
current vehicle if necessary.
Touching the Surface
We’ve only just touched the surface. There
is a lot more to towing safely and legally.
Read on because Chux Trux is the best
place to find answers to all your towing
questions.
– Chux Trux
Towing & Trailer Hitches by Chux Trux 5
basics of towing and define some terms
and give you the knowledge you need to
make towing a pleasant experience.
There is a whole range of components
and parts involved in setting up a towing
package and you need to know the
proper names and uses of these various
components before you hit the road.
The Vehicle
We’ll begin with the tow vehicle itself. This
can be a car, truck, or SUV, but whatever
it is, it’s important that you know and
understand what its specific towing
capabilities and limits are. You can find
Towing a trailer or towing a boat isn’t
exactly rocket science. You don’t
need a PHD in physics or a Masters in
geometry or even a high school
education. (Although a GED would
be nice!) But you do need to know
what you’re doing and what
components you need to have in
order to get the job done safely and
efficiently.
Towing 101
So that’s what we’re all about this time; a
little Towing 101 for you to cover the
Towing Requirements
and
Safety
Towing101
Towing 101
Towing & Trailer Hitches by Chux Trux 6
to say.
Below is a table of common vehicles
and their towing capacities.
out how to fire up the stereo, then tossed it
in the glove box never to see the light of
day again. There’s some useful information
in there so go dig it out and see what it has
much of this information in the owner’s
manual that came with the vehicle. That’s
that little book that you thumbed through
when you bought the car or truck, figured
Vehicle Model Maximum Towing Capacity
Small Car Cobalt, Taurus, Avenger
Under 1,000 pounds
Full-size Car Impala, Crown Victoria
1,000–2,000 pounds
Mid-size CUV Edge, Taurus, Equinox
2,000–4,000 pounds
Mid-size Truck or SUV Ranger, Trailblazer, Dakota
3,000–7,200 pounds
Full-size ½ ton Truck or SUV Expedition, F150, Tahoe, Durango hybrid
5,000–11,200 pounds
¾ or 1 ton Truck or SUV F250, Silverado HD, Ram 2500, F350, Ram
3500
10,000–16,000 pounds
Commercial Truck F450
16,000–24,600 pounds with a 5th wheel
Class C or A RV Marathon, Jamboree
Up to 10,000 pounds
cle Towing Capacity
Note – Consult your vehicle’s owner’s manual to be certain of your vehicle’s weight limits.
Towing & Trailer Hitches by Chux Trux 7
The Trailer
The next component to
consider is the trailer itself. A
trailer is defined as any
wheeled object that is
designed to be pulled by
another vehicle. Pretty simple
and straightforward isn’t it?
Trailers range from those little box
trailers you can rent up to huge
cross country rigs. But what we’re
concerned with mostly are travel
trailers, boat trailers, race car
haulers, flat bed trailers, 5th
wheel or gooseneck trailers,
utility trailers, livestock trailers,
etc. If it can be pulled down the
road by another vehicle, it’s a
trailer!
Lighting
Next on the list is lighting. All
trailers are required by law to
have the same lights as the tow
vehicle, working at the same
time as the tow vehicles lights.
Taillights, brake and turn signals
are a minimum. Large enclosed
car haulers, livestock trailers,
and RV should also have marker
lights at the top rear and front
and along both sides.
Wiring Harness
You can’t have working lights
without wires. The wiring harness
you need to connect the front
of the trailer to the back of the
tow vehicle is available in
several standard formats and if
your vehicle came from the
Towing & Trailer Hitches by Chux Trux 8
Safety Chains
Nobody wants to think about the
possibility of the trailer breaking free from
the tow vehicle but it can happen.
That’s what safety chains are for. These
are your backup plan. They should be
attached between the trailer and the
tow vehicle so they cross under the
hitch. That prevents the hitch from
digging into the roadway at speed.
breakaway cables, if your trailer is so
equipped. The pin itself is usually shaped a
little like a hockey stick and the clip is a
hairpin design like the hood pins on a race
car.
Tow Ball
So naturally the next component is the ball
itself. This is half of the flexible joint between
the tow vehicle and the trailer that enables
it to operate over bumps and dips in the
road and navigate around corners. Tow
balls come in different sizes, usually 1-7/8”,
2”, and 2-5/16” diameters depending on
the weight of the trailer you plan to pull.
The other half of that all important flexible
joint is the coupler. The coupler fits over the
ball and rotates around it as the tow
vehicle moves around curves and over
dips and bumps. The size of the coupler
must match the size of the ball for safe
operation. NEVER tow with mismatched
coupler and ball sizes.
factory ready to tow, there’s already a
connection at the back for the trailer
lights.
Hitch
You can’t tow anything if you don’t have
a hitch. Basically the hitch is the point
where the trailer is attached to the tow
vehicle. There are as many types of
hitches as there are tow vehicles and
trailers so the subject of selecting the
proper hitch will take up an entire section
of its own.
There are a few components on the hitch
such as the ball mount. This is also
sometimes called a draw bar or stinger.
It’s the component that slides into the
hitch receiver and has a mounting pad
for the tow ball.
The hitch pin and clip hold the ball mount
in the receiver hitch and also is a
convenient place to attach any
Towing & Trailer Hitches by Chux Trux 9
If you watched a lot of movie or TV westerns you may have
heard the term; “. . . hitch up the wagon.” Well these days,
before we can hitch up our wagons, or trailers, we have to
have the right hitch on our “horse” or tow vehicle. What do
you mean the right kind of hitch? Isn’t a hitch a hitch? Uh, no,
as a matter of fact there are as many different types of trailer
hitches as there are trailers and ways to use them so let’s go
over a few of them.
Selecting the Correct Trailer
Hitch
Towing & Trailer Hitches by Chux Trux 10
Types of Trailer Hitches
NOTE: Always keep in mind that just because the hitch is rated to haul a certain amount of weight, doesn’t mean your tow vehicle can handle the weight.
Hitches do NOT increase your capacity to tow extra weight. Consult your owner’s manual for your vehicles capacity and never exceed that amount. It’s
a “weakest link” scenario.
Towing & Trailer Hitches by Chux Trux 11
This diagram on the previous page gives you a brief
overview of a few hitch types and what they are used for.
The "WC" in the chart stands for "Weight Carrying," when
used with a basic ball mount and coupler. The "WD" ratings
are higher and those are the limits if you use a Weight
Distributing ball mount. "TW" stands for Tongue Weight,
which is the most weight you can place on the coupler
based on a fully loaded trailer. These are the most
commonly used trailer hitches, you can also find both
heavier and lighter duty options.
Bumper Mounts
Most trucks and SUVs today have some sort of hole in the
center of the bumper that will accept a tow ball. This is the
most basic, and lightest duty, form of trailer hitch. As long as
you don’t exceed 100 pounds of tongue weight and 1,000
pounds of trailer weight, this is fine. A ball and a little wiring is
all you need. You just have to be absolutely sure you don’t
exceed the vehicle manufacturer’s capacity
recommendations.
Bumper Mounts
Towing & Trailer Hitches by Chux Trux 12
Bumper Hitch
If sooner or later you need to tow different trailers with different size couplers, a light duty
solution is the bumper hitch like this one made by CURT. This hitch bolts to your vehicle's
bumper and provides a standard 2” ball mount receiver and attachment points for the
safety chains. Don’t confuse this, however, for a regular receiver style hitch. You are still
limited to the weight bearing capacity of your tow vehicle’s bumper. And not every
vehicle can use this type of hitch.
Class 1– 2 Receiver Hitch Class 3 Receiver Hitch Class 4 – 5 Receiver Hitch
Class 1 and 2 receiver trailer hitches are light
duty receiver type trailer hitches that are
generally only used on passenger cars and light
weight, crossover SUVs.
This type of hitch uses a smaller 1-¼” receiver
tube for the ball mount. Class 1 hitches are rated
to tow trailers up to a maximum of 2,000 pounds
with 200 pounds of tongue weight, and Class 2
can handle 3,500 pound trailers with 350 pounds
of tongue weight. These hitches do not increase
the total weight that a given vehicle may be
able to tow.
Class 4 and 5 receiver trailer hitches are
the heaviest-duty trailer hitches that can
be installed at the rear of a tow vehicle.
A Class 4 weight carrying trailer hitch can
carry 10,000 pounds and 1,000 pounds of
tongue weight, or up to 12,000 and 1,200
pounds if you use a weight distributing
trailer hitch. Class 5 receivers can handle
up to 14,000 pounds and 1,400 pounds
tongue weight. This most likely exceeds the
towing capacities of your vehicle.
Class 3 receiver trailer hitch is the most
common trailer hitch found on full size pick-
ups and SUVs. Factory equipped vehicles
usually have a Class 3 trailer hitch.
Class 3 receivers can handle up to 8,000
pound trailers and 800 pounds of tongue
weight with a weight carrying ball mount, or
up to 12,000 pounds and 1,200 pounds of
tongue weight with a weight distributing
hitch. This most likely exceeds the towing
capacities of your vehicle.
Towing & Trailer Hitches by Chux Trux 13
Like a 5th wheel hitch, a gooseneck hitch mounts in the
bed of your pick-up over the rear axle. This type of hitch is
most commonly used for livestock trailers, car and
toy haulers, and industrial or commercial trailers.
A gooseneck hitch can handle up to about 30,000 pound
trailers with 6,000 pounds of tongue weight. Some
gooseneck hitches can be folded down out of the way
when not in use to enable normal loading of the truck
bed.
These hitches are mounted in the bed of pick-up
trucks and they are very similar in design to the
hitches used by commercial 18-wheelers.
Fifth wheel trailer hitches can handle trailers that
range from 16,000 to 30,000 pounds and up to 5,000
pounds of pin weight (tongue weight), depending
on the design of the hitch, and the rating by the
manufacturer.
Fifth Wheel Hitch
Gooseneck Hitch
Towing & Trailer Hitches by Chux Trux 14
Weight Distributing Hitches
A weight distributing hitch increases the towing capacity and
stability over a weight carrying trailer hitch. Sometimes called a
“load equalizing hitch” a weight distributing trailer hitch spreads the
tongue weight of the trailer over all four wheels of the tow vehicle.
Any vehicle with a Class 3-5 receiver can use a weight
distributing hitch. The key difference between weight
distributing hitch and a weight carrying hitch is the long rods
called "spring bars" that exert leverage on your tow vehicle's
frame, transferring some of the tongue weight to the vehicle's
forward wheels. This prevents heavy trailers with high tongue
weights from lifting the front wheels and overloading the rear
wheels.
Weight distributing hitches can also accept the addition of
sway control bars.
Towing & Trailer Hitches by Chux Trux 15
Front Mount Hitches
Finally we come to the front mount trailer hitch. This hitch mounts,
obviously, to the front of the vehicle. Front mount trailer hitches are
extremely handy for launching a boat at the local boat ramp.
These are available in most weight classes and can be mounted on
almost any pick-up, van, or SUV.
The leading manufacturer of trailer hitches discussed here is CURT
Manufacturing and that is the primary brand sold and installed by
Chux Trux. This is because CURT hitches are built right here in the
USA, install correctly, and are designed to be tough and safe.
If you live in the Kansas City area, Installation is usually within 48
hour. For a slight extra charge, CURT makes hitches powder-coated
in custom colors. (CURT is the only manufacturer that provides this.)
Chux Trux stocks more hitches than any of our competition and we
have a hitch for almost any vehicle on the road. So give Chux a call
today and get the best trailer hitches along with expert installation
and service.
Towing & Trailer Hitches by Chux Trux 16
You wouldn’t try to tow a 24’ fully
loaded camper trailer with a Smart
car. (Well, one or two of you might.)
But on the other hand you don’t need
a 7.3L diesel F-250 dually to tow your
12’ aluminum boat down to the lake
either. So how do you know just how
much towing capacity you need?
Well, that’s what we’re here for pal, to
help you figure these things out. So
just relax and read on.
No matter what you drive, you have to
be sure that you completely understand
what its towing capacity is. Exceeding
the recommended capacity not only
puts unnecessary strain on your engine,
transmission, suspension, brakes, and
cooling system but it can create some
very dangerous situations for you out on
the road.
The best place to find out about a
vehicle’s towing capacity is the owner’s
manual. In it you will not only find out
what the vehicle can tow, but also
detailed instructions and limitations and,
very often, some good safe towing tips.
For example, the manual for a 2000 Ford
Crown Victoria contains the following:
“Your vehicle is classified as a light duty
towing vehicle. . . Towing a trailer places
an additional load on your vehicle's
engine, transmission, brakes, tires and
suspension. Inspect these components
carefully after towing. Your loaded trailer
should weigh no more than 907 kg (2,000
lbs.).”
Determining Towing Capacity Needed
“Vivamus et metus.”
Towing & Trailer Hitches by Chux Trux 17
Minimum Vehicle Requirements for Trailer Towing
Source: 2005 Jeep Liberty manual
Towing & Trailer Hitches by Chux Trux 18
Certification Plate Acronyms
After you’ve checked the owner’s manual you should also look at the compliance certification plate. This is usually a sticker on
the door jamb. It will contain several acronyms like "GVR," "GAW," and "GCWR”. Here’s what they mean;
GVW (Gross Vehicle Weight)
This is your vehicle’s standard curb weight, plus an estimate of the typical load of passengers, fuel and stuff.
GVWR (Gross Vehicle Weight Rating)
This is the maximum safe weight for your vehicle. Exceeding this weight will place stress on your engine, transmission, and
brakes beyond what they are designed for.
GCW (Gross Combination Weight)
This is the combined weight of your vehicle and the trailer (Not the tongue weight, but the total weight.) This number
cannot exceed the GCWR.
GCWR (Gross Combination Weight Rating)
This is the maximum safe weight of your vehicle and trailer when both are fully loaded with people, fuel, and all your stuff.
And like the GVWR above; exceeding this weight will place stress on your engine, transmission, and brakes beyond what
they are designed for.
GAW (Gross Axle Weight)
Gross Axle Weight. This is the amount of weight that carried by each of the vehicle’s axles. They will be different based on
engine weight and trailer tongue weight capacity.
GAWR (Gross Axle Weight Rating)
This is the maximum safe weight you can place on the front and rear axles. And just like the other two weight ratings
above, exceeding these numbers will damage your vehicle and create dangerous driving conditions.
Towing & Trailer Hitches by Chux Trux 19
Determining Trailer Weight and Capacity
Once you have determined your vehicle’s weight and
towing capacities you should turn next to your trailer’s
weight. A new trailer will have a VIN plate that has not only
the trailer’s serial number and also lists the trailer’s weights
and capacities. It should look like the image on the right.
On the next page we will provide you with typical trailer
weights for commonly used utility trailers.
Safety chains properly crossed under the hitch
Towing & Trailer Hitches by Chux Trux 20
Typical Trailer Weights for Common Utility Trailers
Towing & Trailer Hitches by Chux Trux 21
Typical Trailer Weights
Towing & Trailer Hitches by Chux Trux 22
Missing Trailer VIN Plate
If you have a homebuilt trailer or you can’t find the VIN plate
on your trailer the best thing to do is have your trailer weighed.
You can do this at some RV dealers, state highway weigh
stations, refuse transfer stations, and commercial truck stops. Be
sure to call ahead first and check.
Finally you need to know the tongue weight of your trailer. You can
buy special tongue weight scales for about $150, but unless you tow
many different trailers with varied loads very often, this probably isn’t
necessary.
If you think you have less than 300 pounds of tongue weight you can
use a common bathroom scale. But for more than 300 pounds you
will have to set up a rig like this:
Using a Bathroom Scale
With this set-up, you take the reading off the bathroom scale
and triple it to get your tongue weight.
If this isn’t practical for you, you can usually take your trailer to
your local trailer dealer where he can determine the tongue
weight for you.
You can change your tongue weight by changing the way your
trailer is loaded. More weight in front of the axles will increase tongue
weight, while moving the load to the rear will reduce it. You do not
want so much of your load to the rear that you have negative
tongue weight.
(Caution: you do not want a negative tongue weight)
Towing & Trailer Hitches by Chux Trux 23
Tongue weight has a large affect on how your combined rig
handles going down the road. Too much tongue weight will cause
your vehicle to sag at the coupler putting more strain on the
vehicle. Too much sag could even reduce the weight on the front
wheels to the point that the ability to safely steer is reduced. Not
enough tongue weight will cause the trailer to sway and wander
and that also creates a dangerous driving condition. You want to
shoot for a tongue weight that is about 10% of your total trailer
weight. This is what most hitches are designed for to ensure safety.
Tongue weight has a
large affect on how
your rig handles on the road.
Towing & Trailer Hitches by Chux Trux 24
Let there be light. And there was
wiring and connectors and bulbs and
it was good. Yes kiddies, this time
we’re going to talk all about trailer
wiring and electrical stuff. I know
some of you will go running screaming
from the room at the mere mention of
the word electrical, but trust us it really
isn’t all that hard.
If for no other reason than not getting
stopped by the cops, you must have
working lights on your trailer just like you
do on your tow vehicle. And for your
safety, and the safety of the other
vehicles on the road, all of those lights
should work properly or you shouldn’t
tow, even for a short trip across town.
Of course all new trailers come with lights
and wiring already installed from the
factory. But if you built your own trailer or
you bought a used one that has lights
missing or broken, any good trailer or RV
dealer will have all of the parts and kits you
need to get that trailer on the road safe
and legal.
The following pages will provide you with a
great understanding of the conventions
used in wiring your trailer.
Trailer Wiring
“Vivamus et metus.”
Wires
Wiring
Conventions
Wiring
Connections
Towing & Trailer Hitches by Chux Trux 25
4-Way 5-Way 6-Way 7-Way
Green Yellow Brown White Red Blue Purple
Right Turn &
Brake Left Turn & Brake Tail Lights Ground Backup Lights Electric Brakes Auxiliary Power
Standard Wiring Color Codes for Various Trailer Connectors
Standard Wiring Conventions
The wiring connector for most trailers has between 4 and 7 posts
or blades, depending on how it’s equipped, to control basic
lighting and brake functions. Smaller trailers use a four wire flat
plug that controls taillights, brake lights, and turn signals. Larger
trailers will have a connector with 5, 6, and 7 wires to control
backup lights, electric trailer brake control, and auxiliary power.
Below is a simple chart showing the standard color codes of the
various trailer connectors.
If you stick to this format your trailer will be compatible with
most trailers and tow vehicles out there. If you’re building a
trailer you can buy a complete wiring kit for it and that will be
the easiest and quickest way to get your trailer wired.
Tow Vehicle Connection
Once your trailer’s wiring is good to go the next thing to think
about is the connection to the tow vehicle. Almost all trucks,
vans, and SUVs built since the 1990’s have factory installed
wiring and plugs for lighting and, in some cases, even a connector
in the cab for a trailer brake controller. This makes hooking up your
trailer simple as dirt.
But if you need to add some wiring and connectors it’s not that
hard to splice into your vehicle’s existing wiring, IF, and that’s a
HUGE “IF” you take your time, read directions and understand
basic electrical flow. But if you aren’t absolutely confident in your
wiring skills you can always take it to a professional and have the
work done for you.
Towing & Trailer Hitches by Chux Trux 26
Standard Trailer Connectors
Towing & Trailer Hitches by Chux Trux 27
Most Common Wiring Plug Locations
If you don’t have a factory installed towing connector, here is a chart showing the most common locations for wiring plugs
that will help you tap into the vehicle’s wiring.
Towing & Trailer Hitches by Chux Trux 28
Common Trailer Connectors
7-way vehicle connector 7-way RV blade trailer connector 4-way flat wiring with both connectors
wiring you need is right there in
the taillights. The exception will
be the connection for electric
trailer brakes. However, if you
have a vehicle that is not
factory equipped for towing
you will need to change more
than just lighting before towing
a trailer that is large enough to
have electric brakes.
You will most likely have to
remove one taillight to gain
access to the wiring and the
color codes on the vehicle will
probably be different than the
trailer plug. The best thing to do
is to get the wiring schematic for
your vehicle. (These are
sometimes available on line.) If
you have a voltmeter that is also
If your trailer is equipped with
electric brakes you should use the
7-way RV blade connector even if
you don’t have back-up lights or
auxiliary power. If you don’t have
electric trailer brakes you should
be okay with just the flat four-way
connector.
If you’re equipping an older
vehicle for towing most of the
Towing & Trailer Hitches by Chux Trux 29
Bad ground connections are the most
common cause of trailer wiring problems.
A bad ground can show up as an overall
lighting failure even when the voltmeter says you've got current.
Worse, a bad ground can create an intermittent failure, causing
your lights to flicker as you drive down the road. Pick an existing
factory ground connection (where other ground wires are connected)
or make sure your connection is solidly into the vehicle's chassis.
a good way to determine which wire is which.
Tag and Label
Remember to carefully tag and label each wire so you can keep
track of what you’re doing and use a good quality tap connector
like these to make those splices.
Tap Connectors
Towing & Trailer Hitches by Chux Trux 30
a trailer hitch you can still do the
installation yourself. A typical heavy-
duty ½-inch chuck handheld drill
should handle the job.
You may have to move the tailpipe
temporarily, or drop the spare tire, and
possibly make cuts in the rear fascia,
or fish bolts through the vehicle frame
with a thin wire, depending on your
application, but none of that is terribly
difficult. You just need to take your
time, read the instructions that came
with the trailer hitch carefully, and
work safely.
If you’re the do-it-yourself type and
your truck or RV doesn’t have a trailer
hitch it really isn’t that big a deal to
install one yourself. Most of the trailer
hitches and receiver hitches on the
market today are of the “no drill”
type.
In other words the trailer hitches are
designed to fit into holes that are there in
your tow vehicle’s frame from the factory
so all you really need are a few basic
hand tools that you probably already
have and a couple of hours on a
Saturday. Even if your tow vehicle
doesn’t have the holes required to install
Installing a Trailer Hitch
“Vivamus et metus.”
Do It Your Self
Or
Hire the Experts
Towing & Trailer Hitches by Chux Trux 31
A typical trailer hitch installation begins
with getting the tow vehicle high
enough to comfortably work under it.
Always use good quality jack stands
with the appropriate weight rating any
time you work under a vehicle.
Next locate all of the holes you need to
mount the hitch. If you will be drilling
new holes, check the hitch instructions
for their locations and use the drilling
template if the instructions include one.
If the application requires dropping
bolts vertically down through the frame,
go ahead and put those in place first.
It’s a lot easier now than when trying to
hold the hitch in place while you feel
around for the hole in the frame.
Now you can move the trailer hitch into
place. Some hitches can be very heavy,
50 pounds or more, so be sure to use a
buddy or a jack of some sort, or both, to
help you lift it into place and hold it
there while you start the bolts and nuts.
Get at least one bolt on each side snug
first before doing anything else. Once all
of the bolts are in place tighten them all
to the recommended specs with a
torque wrench.
Go online & look at the installation
instruction sheet for the hitch you
are selecting & then decide if this is
something you should tackle or leave to
the experts.
Towing & Trailer Hitches by Chux Trux 32
Thread locking treatments such
as Loc-Tite are a great idea. Even
if your hardware kit includes lock
washers or locking nuts, it never hurts
to have a little extra security.
Installing the Ball Mount
Once your new receiver hitch is installed you can turn your attention to the ball
mount. The trailer and tow vehicle should both be level when connected and you
can get an adjustable ball mount to compensate for any difference.
Installing this type of ball mount is no different than installing the hitch receiver. You
want to use the hardware that came with the mount and you also want to make sure
the ball mount extends out far enough from the tow vehicle for safety, but no so far
that the increased leverage raises the tongue weight.
Installing the ball mount
is no different than
installing the hitch
receiver.
Towing & Trailer Hitches by Chux Trux 33
she needs to know exactly where you
want the trailer to go and the signals
need to be worked out beforehand so
that both of you are one the same
page.
Ask for Help
But before you can back a trailer you
need to hook up to the coupler so you
can hook up the trailer and that can
sometimes be just as much of a
challenge as backing the trailer itself. If
you have a spotter, he or she should
stand even with the trailer’s coupler,
on the driver’s side and should be
clearly visible in the driver’s rear view
Want to see something hilarious?
Watch someone who’s never towed
a trailer try to direct somebody else
trying to back up a trailer! Grab a
chair and some popcorn and enjoy
the show. Unless the driver and the
spotter know exactly what each other
needs to see and do, it can be a
recipe for disaster or at the very least
a pretty good argument.
But in reality backing up with a trailer
really isn’t all that hard. It just requires a
little practice and patience. It can even
be done without having a spotter back
there but if you do have a spotter, he or
Hooking Up the Trailer
“Vivamus et metus.”
Trailer Hook Up
Check List
Towing & Trailer Hitches by Chux Trux 34
mirror. Its best if the spotter
uses signals to tell you
which way to move the
tow ball, left or right, and
not which way to turn the
steering wheel. Once you
are lined up and getting
close, the spotter should
switch to showing you how
far you still have to go.
Leave a little margin for
error in this to avoid the
unintentional “spearing” of
the tow vehicle’s license
plate. Just take it very
slowly and creep gently
back the last inch or three.
Establish a Visual
Reference
If you have to hook up
alone you can still get
there, it’s just a little more
challenging. One trick is
that once you are close,
open the door and look at
the ground as you move the
tow vehicle. It’s a lot easier
to judge how far you have
moved that way. Some
people use a brightly
colored tall stick attached
to the coupler with a
magnet to give them a
good visual reference to
where it is. (Chux sells these!)
Hookup the Ball
Now that you are over the
ball it’s time to hook up.
After you lower the trailer
jack and the coupler is
securely on the ball, make
sure the clamp release is
completely closed. Inserting
a pin or a padlock through
the clamp is good
insurance. Now you can
raise or remove the trailer
jack and stow it away.
Towing & Trailer Hitches by Chux Trux 35
Now check the pin that holds the ball
mount in the receiver and make sure
the clip is inserted properly and is in
good condition.
Safety Chains
Next attach the safety chains. Make
sure they cross under the trailer’s
coupler. This insures the coupler will
fall onto the chains in case of a
breakaway and not dig into the
ground. Also connect the breakaway
switch cable if your trailer is so
equipped.
Now you can hook up the electrical
connector and perform a test to
make sure all the trailer lights are
working correctly.
If you have a weight distributing hitch
there are a couple more steps
involved, like using a jack to take
some of the trailer weight off the
hitch and adjusting the chains for
proper tension. The instructions for this
should have been included with
your hitch and your hitch installer
should also have gone over the
procedure with you. Just remember
that the goal is for the trailer and
the tow vehicle to be level
throughout when fully loaded.
If you have a gooseneck hitch or a
fifth wheel hitch you also have some
additional steps that are covered in
your trailer’s owner’s manual and
should have been explained to you
by your dealer.
Backing Up
Now comes the really fun part;
backing up. No matter what type of
towing you do or where you go,
sooner or later you’re going to have
to back that rig up. Sometimes it
can be pretty funny, until something
goes wrong, then it’s hilarious! Okay,
we’re kidding, but seriously folks,
backing a trailer really isn’t difficult.
Towing & Trailer Hitches by Chux Trux 36
Do this while you are watching what the
trailer does. It only takes a little practice
before this becomes second nature and
you will amaze your friends and family with
the places you can back your trailer into.
If you have a spotter make sure your spotter
knows where you want to go beforehand.
And its best if the spotter uses hand signals
to tell you where the back of the trailer
should go, NOT which way you should turn
the wheel. The spotter should also make sure
he or she is always visible in your mirror.
Avoid frustration…
…asking for help and having a
spotter can make all the
difference
Towing & Trailer Hitches by Chux Trux 37
and quality trailers and hitches make
towing these days an easy task and it
doesn’t take much to get lulled into a
false sense that towing a trailer is a no-
brainer. But you should never drive the
same way with a trailer that you would
drive without a trailer hitched to your
truck. So what follows here are a few
tips on driving safely when towing a
trailer and a few guidelines to keep
you out of the ditches and right side
up.
Check Everything
Before you even pull out on the road,
make sure the trailer hitch is in good
Towing anything with a trailer hitch
makes your rig is longer, heavier, less
maneuverable, and takes longer to
stop than most of the other vehicles
around you.
The running joke is that common sense
isn’t very common any more, but when it
comes to towing a trailer a little common
sense is all you really need to make it a
safe experience. And safety should be
the number one thing on your mind when
you’re towing anything.
In fact, overconfidence just might be the
most dangerous thing you can have
when towing trailer. Modern tow vehicles
Safety
“Vivamus et metus.”
Double
Check
Everything
Towing & Trailer Hitches by Chux Trux 38
shape, your wiring isn’t corroded or
frayed, and your trailer is loaded
correctly. You need about 60% of the
load in front of the trailer axles. Not so far
in front as to
overload the
tongue weight,
but properly
balanced front to
rear and side to
side. It should go
without saying to
make sure all of
your cargo inside
the trailer should
be securely tied
down. Plus,
ALWAYS make
sure you visually
confirm that all
trailer brake lights
work, trailer turn signals, trailer
hazard/flasher lights and any clearance
or marker lights.
Make sure you have the trailer hitch
hooked up correctly and all of the
and the car in front of you. It’s just basic
physics that the increased weight of your
rig means your brakes will take more time
to bring everything to a halt. Because of
this, many states
have lowered
their speed limits
for trailers. This is
for your safety so
be sure to never
exceed the
posted limit.
Check Again
After the first 50 to
100 miles, stop
and check to
make sure all of
the hitch
connections are
still good and the
load is still properly tied down and hasn’t
shifted.
Be extra careful when changing lanes.
Make sure you allow plenty of room for
the extra length of your rig. Check your
electrical connections made. The safety
chains should be attached so they cross
under the coupler like the illustration
below.
Watch Your Speed
Once out on the road don’t follow too
closely and be sure to leave PLENTY of
extra stopping distance between you
Towing & Trailer Hitches by Chux Trux 39
mirrors often and signal well in advance
of the change.
Passing a slower vehicle should be a rare
event when you’re towing but if you must
pass, remember again about the extra
length of your combination and don’t cut
back into your lane too soon. When other
cars are passing you be courteous and
help them get the pass done quickly and
safely by slowing just a bit until they are
safely by. Most importantly be
predictable and don’t make any sudden
moves while being passed.
Always use care on long downgrades.
Use lower gears and gentle, intermittent
use of your brakes to keep them cool and
that trailer under control.
Take in the big picture when you’re out
on the road. Anticipation of the
unexpected should become automatic.
Look way ahead and notice what all the
other vehicles are doing. Do the same
thing behind you, check your mirrors
often and always know what’s going on
around you. Watch for drivers who could
Bad Weather
Bad weather requires even more
common sense and good driving habits.
We shouldn’t have to tell you that wet
roads mean even slower speeds and
longer stopping distance. High winds can
cause your trailer to sway. But just like the
flat tire example above, the best action is
little action. Don’t make any abrupt
movements but a slow and gentle
reduction in speed and careful
application of the trailer brake controller
should bring that trailer right back in line
where it belongs.
Finally, whenever you stop, whether for a
rest, gas, or at your destination, make
sure you have room to get out again.
Don’t get stuck in a place where you
have to make a lot of complicated
backing moves just to get out. It would
better to park across the street or on the
side of the road as long as it doesn’t
cause a safety issue.
be a problem long before they get near
you. Notice the guy who’s cutting in and
out of lanes, talking on his cell phone, or
going much faster than the rest of traffic
and give those guys plenty of room.
No matter how good your tires are, the
possibility of getting a flat on the road is
always there. A flat front tire on the tow
vehicle will make steering sluggish and
heavy but you can still pull off the road
and brake to a safe stop. A flat trailer tire
will make your trailer sway and pull the
tow vehicle around some, but you can
still apply the trailer brakes and slowly get
the rig off the road. A flat tire on the rear
of the tow vehicle is probably the worst
but if you just apply the brakes gently
(never slam on the brakes) use the trailer
brake controller and slowly pull the rig off
to the side of the road you’ll be fine. In
the case of any flat tire the basic rule is to
not to panic or make any sudden or
abrupt moves. Just be smooth and gently
apply brake and steering input.
Towing & Trailer Hitches by Chux Trux 40
however was that he was talking
about us when we tow our trailers. You
see, if you are towing a trailer with no
brakes or one without a proper brake
controller, and you try to stop at a
traffic light or, worse, in an
emergency, that trailer wants to keep
moving. And you and your tow vehicle
are in its way. And that’s bad news for
you and anybody around you too.
Fortunately there are very few trailers
with no brakes of any kind, (mostly just
the light utility trailers, single axle
trailers, etc.). Even those cheap rental
trailers will usually have surge brakes.
Surge brakes use the slowing of the
We know you probably weren’t
paying attention in high school
physics when they covered Sir Isaac
Newton’s Laws of Motion. Newton
wasn’t the guy who invented those fig
cookies, although he was a pretty
smart cookie himself. No, Newton was
the first guy to figure out that; “Every
object in a state of uniform motion
tends to remain in that state of motion
unless an external force is applied to
it.” And that, dear kiddies, is officially
known as “Newton’s First Law of
Motion”.
What Newton didn’t realize at the time
Trailer Brakes
“Vivamus et metus.”
Trailer Brake
Controllers
Correcting Sway
Towing & Trailer Hitches by Chux Trux 41
tow vehicle to activate a hydraulic
cylinder in the tongue to apply the trailer
brakes. The disadvantage to surge brakes
is that you, the driver, have no
independent control over them.
Air Brakes
The largest gooseneck and fifth wheel
campers and car hauler trailers may
have air brakes. But they are beyond the
scope of this article so we won’t go into
them here.
Just about all campers, travel trailers, car
haulers, boat trailers, etc. sold on the
market today, specifically most that have
dual or triple axles, have electric brakes
that are activated whenever the brakes
in the tow vehicle are applied. In
addition, just about all trucks, vans, SUVs,
and RVs built since the early 1990’s also
have the wiring for an electric brake
controller installed from the factory for
when you are towing a trailer. There is
often a quick connect plug up under the
dash somewhere that will connect to a
standard electric brake controller. Even
from acting on Newton’s law and
pushing your tow vehicle which could
result in a jackknifing.
The gain or output adjustment modulates
the electricty sent to the brakes which
determines how hard the trailer brakes
are applied. A heavily loaded trailer will
require more braking than a light one.
Too much braking will cause the trailer
brakes to lock up before the tow vehicle
brakes are fully applied.
Correcting Trailer Sway
If your trailer starts to sway due to high
winds or the sudden passing of an 18-
wheeler, you can bring it back under
control with the gentle application of the
trailer brake controller without using the
tow vehicle brakes. Just a light touch of
the slider or control button should bring
the trailer right back in line.
As we mentioned above, if your tow
vehicle was built after 1990, installing a
trailer brake controller should only be a
matter of locating the pig tail under the
better is that many pick-ups built in the
last five years with a towing package that
includes the option of having an electric
brake controller built right into the dash!
Trailer Brake Controllers
Trailer brake controllers, like this one from
CURT Manufacturing, are easy to install
and easy to use.
They are adjustable for sensitivity and
gain and usually have a button to
activate the trailer brakes without using
the tow vehicle brakes.
The sensitivity adjustment enables the
brake controller to apply the trailer
brakes anytime it senses the tow vehicle
slowing down. This prevents your trailer
Towing & Trailer Hitches by Chux Trux 42
dash and plugging it into the controller. (If
your truck didn’t come with the pigtail
wiring harness for a trailer brake
controller, Chux can get most of them).
Then you just mount the controller within
easy reach of the driver and you’re
done. Depending upon the make and
model of your vehicle, the brake
controller plug should look like one of
these:
Older Vehicles
If your tow vehicle is older than 1990
installing a trailer brake controller will be a
little more involved but not that difficult.
You will need to connect a wire to your
brake light switch, a 12 volt power source,
and a ground. Then one more wire needs
to go to the trailer wiring connector at
the back of the vehicle.
If you have confidence in your wiring skills
you can tackle a job like this yourself. But
if you’re unsure or just don’t want to take
it on, give us a call at Chux Trux. We’re
Kansas City’s trusted experts when it
comes to all things towing. We have the
training and expertise to do the job right.
We can also help you choose the right
trailer brake controller for your specific
towing needs and get you set-up with all
of the best parts and pieces. If you are
anywhere in the Kansas City area just
stop in at one of our three stores and let
us show you what we can do to provide
you with that “external force” that old
Newton was talking about to bring your
trailer to a smooth, safe stop. Class
dismissed.
Installing trailer brakes
for vehicles older than
1990 is a little more
involved.
Chux Trux Kansas City Locations
North
5005 NE Antioch
Kansas City, Mo 64119
(816) 777-2589
Independence Store
13208-A East 40 Highway
Independence, Mo 64055
(816) 373-8789
Olathe Store
1515 E. Santa Fe
(in the old Olathe Boot building)
Olathe, KS 66061
(913) 829-8789
Chux Tint Shop
13208-A East 40 Highway
Independence, Mo 64055
(816) 373-0593
www.chuxtrux.com
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