1981 chevrolet advance information shop manual · 1981 chevrolet advance information shop manual...

1981 Chevrolet

ADVANCEINFORMATIONSHOPMANUAL

HIPVtEMENT

Passenger Cars and Light Duty Trucks

ST-356-81A

INTRODUCTION

The Body and Chassis Electrical wiring diagrams contained herein are supplemental to those published in the 1981 Chevrolet Advance Information Manual. Changes and additions to electrical circuit identification are also included.

Circuit numbers preceded by an asterisk (* ), are designated as low energy circuits. A low energy

circuit is one which operates a device at 5.0 volts or less.

A ll diagrams contained in this booklet are based on the latest product information available at the time o f publication approval. The right is reserved to make changes at any time without notice.

Metric wire size designations are used in most diagrams. AWG Size conversions.

The following table shows metric to

WIRE SIZE CONVERSION TABLEMETRIC SIZE

(mm)2 AWG SIZE

.22 24

.5 20

.8 181 162 143 125 108 8

13 619 432 2

INDEXPAGE (S)

Circuit Identification.................................................. ..................................... .5 ,6

Camaro............................................................................................................. 7

Chevette...................................................................................... .................... .8-16

C orvette ........................................................................................................... .17-27

C Series Truck.....................................................................................................28- 31

CHEVROLET MOTOR DIVISION

General Motors Corporation

DETROIT, MICHIGAN

P rin te d in U .S .A .

5

THE FOLLOWING CIRCUITS ARE ADDED:

CIRCUITNUMBER

COLOR CIRCUIT NAME

87 GRAY-BLACK FEED, RESUME SOLENOID, BRAKE SWITCH CONTROLLED

97 LIGHT BLUE WINDSHIELD WIPER, PULSE LOW

98 ORANGE FEED, DYNAMIC BREAK, “ B-PLUS” SWITCH WIPER MOTOR

136 DARK BLUE GROUND, VACUUM SWITCH CONTROLLED, TURBO BOOST TELLTALE

137 NATURAL-WHITE

GROUND, VACUUM SWITCH CONTROLLED, TURBO BOOST ECONOMY TELLTALE

382 LIGHT BLUE -BLACK

LOW VACUUM SWITCH TO FOUR WHEEL DRIVE RELAY

386 YELLOW EXHAUST GAS RECIRCULATION BLEED SOLENOID TO TORQUE CONVERTER CLUTCH PRESSURE SWITCH

387 ORANGE TORQUE CONVERTER CLUTCH PRESSURE SWITCH TO TRANSMISSION SOLENOID

391 GRAY REAR WINDOW WIPER LOW

392 DARK GREEN FEED, REAR WINDOW WIPER SWITCH TO WASHER

393 WHITE FEED, REAR WINDOW WIPER

435 GRAY ELECTRONIC CONTROL MODULE TO EXHAUST GAS RECIRCULATION SOLENOID

437 BROWN ELECTRONIC CONTROL MODULE TO VEHICLE SPEED SENSOR

441 LIGHT BLUE -RED

ELECTRONIC CONTROL MODULE TO IDLE A IR CONTROL, COIL A, HIGH

442 LIGHT BLUE -BLACK

ELECTRONIC CONTROL MODULE TO IDLE A IR CONTROL, COIL A, LOW

443 LIGHT GREEN -RED

ELECTRONIC CONTROL MODULE TO IDLE A IR CONTROL, COIL B, HIGH

444 LIGHT GREEN -BLACK

ELECTRONIC CONTROL MODULE TO IDLE A IR CONTROL, COIL B, LOW

6

CIRCUITNUMBER COLOR CIRCUIT NAME

445 GRAY-RED ELECTRONIC CONTROL MODULE TO EAR LY FUEL EVAPORATION SOLENOID

446 LIGHT BLUE ELECTRONIC CONTROL MODULE TO FOURTH GEAR SWITCH

448 RED FEED, RELAY SWITCHED INJECTOR

449 BROWN FEED, ELECTRONIC CONTROL MODULE TO A IR CONDITIONING CLUTCH RELAY, A IR CONDITIONING WIDE OPEN THROTTLE CUTOUT

620 BROWN THEFT DETERRENT, ALARM ARM, LEFT FRONT DOOR SWITCH OUTPUT

621 YELLOW THEFT DETERRENT, ALARM ARM, LEFT REAR DOOR SWITCH OUTPUT

622 BROWN THEFT DETERRENT, ALARM ARM, RIGHT REAR DOOR SWITCH OUTPUT

639 PINK-BLACK IGNITION SWITCH “ ON AND CRANK” CONTROLLED, FUSED FEED

899 DIODES - AN Y

THE CIRCUITS LISTED BELOW HAVE REVISED COLORS:

CIRCUIT ORIG INAL COLOR REVISED COLOR

422 TAN-WHITE TAN-BLACK

432 DARK BLUE -GRAY

LIGHT GREEN

438 RED-WHITE DARK GREEN-WHITE

508 YELLOW YELLOW-BLACK

7

RPO U6 3 ,U6 9 ,U 5 6 ,U 75 ,U 8Q ,U 8 3 ,UM I,UM 2 PWR ANTENNA

-------- .8 BLK (N Y J K T ) -------------£ 7 % -

_UNDERHOOD_^Pr

■-----.5 ORN(NYL»PVC)------------------------------c ®- - . 5 O R N -------------------------->.- - . 5 BLK(NYL*PVC)------------ ,---------------- c Q- - . 5 B L K --------------------------- '

8 9 00 82 6 > 1

2977647

I. P. COMP LP U27 WITHOUT C60

12010661

- . 5 O R N (N Y L *P V C )------------------------ V S4

.5 O R N (N Y L *P V C )- -C J STO I.P H O K - - - . 5 O R N -----------------------------HARN lT5 0 k------- .5 BLK (N Y L * P V C )--------------- \ ------------------c ©

S is --5 ,LK------------. !

2977647

I. R COMP LP U 2 7 WITH C6 0

I.P. COMP LP 4 SW

Fig. 1 — Camaro Electrical Wiring 1 o f 1

8

Fig. 2 — Chevette Electrical Wiring 1 o f 9

9

AUTO


§

i t l i i s i is* sill> »*»x8 15.1

Fig. 4 — Chevette Electrical Wiring 3 of 9

11

oDOME LP FRONT

C £ 8900663 CONN

TA IIS TQ P -D IRLP

LICENSE LP

TAIL-STOP DIR LP


12

onoooo oas NOI • tfOA

O K X 3 T O S IV 39V1TOA 0 N IX N V 83

H0¥ifly * S NOI IV m i « N O U IW

1 K » IV 3 D W O A NO U IN9 )

HD1IMS NOWWt IV 33W1TOA XM31JW SS3NJWH 3NI9N3 3DV1KM WJ3UV9

1 zs

W u1

1» so®

I*C\j8

; h2O>

5°&t u h*<3


13

SOLONSTARTMOTOR

TO SEAT BELT WRNG QLAMP JUMPER HARN. CONN

f238l------ .80 BLK HW

^2977253 CONN

O TO SEAT

2977253 CONN

BELT BUCKLE SWITCH IN LT FRT DOOR

WRG LT FRT DOOR SEAT BELT WRNG LAMP

rr

2977493 TERM FUSIBLE LINKr?n L - 2. RED THHW-

/-------- 5. RED-------------- - M ^

6288014 GROM

r -f

— .80 PPL------------

_ZT----- L̂ jRElay r_----- f-80 BLK—|------------^A'

GROUND G BATTERY B^C

C— I------- 8 0 |PNK DBS. C - J

S. DEFOG sw

12004327 CONN

TERMINAL ONB CONN TO R G NO CONN R CONN TO B

CENTER NO CONN NO CONN NO CONN

OFF NO CONN CONN 10 R CONN TOG

I I . / r 2 93^ -fC ^ B------ 3 PPL — B— E M

! H —

A — 5

80BLU DK-------------

5.0RNI

-------- ---------------- 80 BLK — BI C i |I 39 —*Df -j-.SOPNK D BS.— 39 D

I : i i

a— H - - H

-------3 PPL---------- ,8917580 CONN

TO FISHER6294053 CONN CONN

TIMER

O1293]— 3 PPL —

FISHERCONN

8917583 CONN

o>•—3BLK—|293l

TOHTDBjVGLASS

2962793 CONN

L 2965719 TERM H Z © 005)

-C=© CSS 2966719 TERM

CIRCUIT I Q 6288105 CONNBREAKER I &

| IGN-FUSE BLOCK ^ _______ D23

REAR WDO DEFOG C4980 BLK------- A -C =©

2965719 TERMGROUNO


14

"I 8905969 60CKET 8905969 SOCKET _J LH COURTESY LAMP PH COURTESY LAMP

ter"inhn

40— — C - r O --------------------50 ORN-'' I

A— 50 ORN------------------------------

v 156 7 J------.50 NAT WHT---------- C - fD -------------------------- -------------------- 50 NAT WHT-7A

IP HARNfA — 50 NAT WHT---- '6 - 5 0 NAT WHT— N

A — 50 ORN------------ f6 - 5 0 ORN----- ^

2984883 CONN | II I

2965862 TERM 2965862 TERM

HARN ASM. COURTESY ACC

LAMPS

8905969 SOCKET LH COURTESY LAMP

50 NAT WHT-------------fM

—JI.P HARNfA — 50 NAT WHTB — 50 NAT WHT---- >. ' I

A — 50 ORN--------------^ 4 - r8 — 50 ORN-------x A -Y

2984883 CONN 1

8905969 SOCKET RH COURTESY LAMP

6288103 CONN FUSE BLOCK BAT

RIPCORD' --------------------50 O R N -' |

.50 NAT WHT-''

f------------ (22D* 2984167 TERM

! I

2962604 TERMn 6288872 TERM

GLOVE COMPARTMENT LAMP

2965862 TERM 2965862 TERM

C l

B— 18 ORN PVC-------B-fel

A — 18 ORN PVC--------------------^ — 18 BLK------------------------------

L, ELECTRIC CLOCK U 35

6294052 CONN

_________ Ar a 2973781 CONN

CLOCK

PULSE WIPER SW ^ e-jji

9421330 BULB

8905381 SOCKET 89005-45 CONN

_ ""890054 5 C O N ^ ^ S ^ ^ PULSE WINDSHIELD WIPER RPO CD 4 &RD

2^7748 0 TERM

— 80GRA• — 80BLK-

PULSE WIPER SW

8905220 CONN IP HARN

— r \ "------------------------50BLACK —\ ---------------------------.50 WHITE — K

50 REO-y^ v8905206 CONN WIPER SW

PULSE WINOSHIELO WIPER RPO CO 4

LIGHT SW

HARN ASM COURTESY LAMPS A GLOVE COMPARTMENT LAMP

ZJ9

sa8900444 CONN CTR FRONT SPEAKER ■v

f—-I8 8 L K -------------------- - - Z - C ®

-----I8GRN LT---------------- 'EB‘ 8905206 CONN TO RADIO

RACHO RPO U58 U63 U69


15

6288103 CONN y B — 80 ORN BAT

FUSE BLOCKGRD 01501 -

6294052 CONN-b-R qI

f 4 0 P — A .80 0RN-

- 80 BLK-2977480 TERM RIPCORD HEAVY WALL y

A NV LIGHTER

8905235 CONN

WIRE ASM CIGAR LIGHTER RP0 A77

RIPCORD

TO RADIO

oin<

1KD

8 9 0 0444 CONN.

TO LT SPEAKER

WRG. REAR STEREO SPEAKERS

TO RT SPEAKER

8Sfc)Q444 CONN

2962989 CONN

2989726 GROMBATFUSE | Y- - 8 0 BLK PVC NY JKT — [ j - 80 BLK (PVC NY JK T )------JBLOCK 6238103 CONN

UNDERHOOD LAMP RPO Z J 9

142454 BULB

SOCKET PART OF LAMP ASM

y-B-800RN NYL P V C -8 - fc j 6294052 CONN

FU S f,BLOCKNN @ ^ - .8 0 0 R N N Y L PVC ---------A - Q 5 ) p g ) 2962607 TERM

BAT ^ 8 0 BLK NYL P V C ----------------H3U1 6266872 TEffM

GLOVE COMPARTMENT LAMP

2984167 TERM

WIRE ASM GLOVE COMPARTMENT LAMP

ACC


16

111 i l l SIfi M ! Ij iliiffHi

§;51 I ?IllliiiiillilpSii l i l ls l is s i ie s i ia

3̂

axs ih « t 0q Naa o r -

& I:91b 0 -

Z6ZSKJ2I

v h8 -

fS >J -

-0 -3 d lX T 8 08- —3 d i n Nao 0 8 - -g —3di vao oe-

-TX9 axs J.HM T9S Tdd 0 8 -

-1X9 axs Q3a T9S MT8 08-


17

Fig. 11 — Corvette Electrical Wiring 1 o f 11

18


19

LIGHT SWITCH X DM IP FUSED l-BATT2PNL LP FUSED 3-4 TL LP5 TL LP FUSED6 HD LP


20

Fig. 14 - Corvette Electrical Wiring 4 o f 11

21

WHT-----WHT — DK GRNPNK------LT GRN -BRN------ORN -----ORN------LT B L U - YEL--------


22

THEFT DETERRENT STARTER INTERRUPT RELAY

L

120109732 9 5 — .5 -GRAY -

2 9 4 ------.5 - TAN —

L.H. THEFT DETERRENT DO O R LOCK SWITCH

G R D ® )-

£O 0 — 150------.

294-

R.H. THEFT DETERRENT DOOR LOCK SWITCH

,2977647- P ----------

I20I0973150------.5-BLK

.5 -TAN

V -8 -B L K -

-.8 BLK-

SEAT SWITCH

M557

PART OF I P HARN

/D O W N — --------------------2.0 -

R H WINDOW SWDOWN

UP- 20 -

LT BLU- 891740 6 .

TAN---------- -

R H POWER W IN DO W MOTOR

■ PART OF I P MARN■ 2.0 -

3 . 0 -

2.0 -

2977470,

BR N— 165

PNK------7 6 /

DK BLU-I64

mL.H. WINDOW SW

OFF

DOWN

3MUP

- 2 0 -B R N

DOWN 20-

8917486

DK BLU

LH POWER WINDOW MOTOR

LIGHTED VANITY MIRROR

2973701N-5 -O R N -

-.5 - BLK-

- .5 -

- . 8 -2.0

- .8- . 8- . 5

GRAY-----GRAY------O R N ------ORN-------TAN-------GRAY-----DK BLU•TAN-------YEL -------P P L -------T A N -------ORNTAN / BLK -O RN--------O RN--------PN K/BLK- -YEL---------

.8-B R N /W H T

-1 .0 -LT BLU - .5 - B L K ------

8 -W H T -------8 - W H T ------8 -D K GRN-8 -P N K --------8-LT GRN -8 -B R N --------8 -O R N -------8 -O R N -------8 -LT B L U - 8 -YEL---------


23

GRD&C___ _I

R H POWERDOOR LOCK SOLENOID


24

RADIO

07] (Z2(ml EH

rrrei 355ES [46

US [T5P□ CE

— — -------------.8-LT GRN-2004544nmy

n -------------.8 D K G R N --

^ iT I fTTB"

8 9 0 0 4 4 4 / -----------<S>RIGHT F RT SPKR

--I----------------- 3 -T A N -

12004545

t T

clZOC

m

--------------3-GRAYPART OF I.R HARN

----------.8-BRN-----------.8-YEL-

KINy

fa- .8 -L T BLU-------------------------------

— -8 D K BLU--------------------mm

LEFT FRT SPK R

-------- .8-BRN— V --------------------------:--------.8-YEL— - \ ---------------------------

-5-BLIC-•5-YEL-

- 5 -GRAY-

--------.8-LT B L U - ff lS t [IES-8-LT BLU — ■jr'461 R61---------,8-DK BLU-1461 P 6 > .8 -P K B L U "

8905220 891T5487 8917545

- t - r -\j

PART OF l.e HARN STEREO RADIO

.8911772

t f f f e ! : ORN-BRN-

-TO 40 SPLICE IN I.R HARN

''TO 9 SPLICE IN I.R HARN -FOR E T.R. RADIOS ONLY RPO UM 4.5.6. UN 5

RIGHT REAR SPKR

LEFT REAR SPKR

-a-PNK/feLK— -« -D K BLU —

-ORN ----------■8-BRN/WHT-

-10-LT GRN ■- 2 0 -ORN------- A - PPL-------

SIDE MARKER LP


25

03D E22 ran nr

C_0_ ANTENNA _CtBLE^------| j----1_____________

'Siif.FM. STEREO- VNTENNA- :ABlT ■)

-.5 — BLIC------h -5 — YEL —

| VI2 0 0 4 64 2 TERM

-.5~GRA->—

------- .8-YEL—--------8-BLK-------------- .8 -ORN — -

-.8 -D K GRN— | -

-.8-G RA---------1-----------------------

POWER ANTENNA RPOU75.U83POWER ANTENNA

PART OF I.P HARN

PART OF , I.P. HARN

STOP LP

2.0-ORN — J T 2.0 -WHT — ^

2964235

0 0 = COMMON OR OPEN C=COMMON 0 * OPEN

CRUISE RELEASE

-.0 -TA N ----------- s3]----- .8-DK GRN-- '

* SWITCH function table

FUNCTSWITCH FUNCTIONS TERM CONNECTION

END BUTTON SLIDER 3 (B-*- 2 (HOLO) I (s e t :OFF RELEASED OFF 0 C/0 c/o

RESUME RELEASED RESUME C c cCRUISE RELEASED ON C c 0COAST DEPRESSING ON 0 C/0 c/oCOAST FULLY DEPRESSED ON 0 M . c/o

SET RELEASING ON C c c

TCC REL

•8-PPL- .8-PNK/BLIC-

ACCY CAV ™ _ . FUSE PNLP=lJ

'1 2 0 0 4 7 4 0

SEE TABLE FOR SW FUNCTIONS

-8-B R N M H T -.22 -C X GRN 23.311.0A

S - - . 8 - I X BLU-2989914

ALTERNATOR- REGULATOR

♦ II i

O Q COI♦

CRUISE CONTROL ( § H s x l > - -

CLi ! 3

O O j

m Eh

lr>

,8 9 0 5 2 2 8

-5.0-0RN/BLK-

5iO PPL---------

5 -u j

DEFOGGER SW

1 . 0 - B L K - y -

TO 150 SPLICE^ IN BOOY HARN

< 2 x

35 AMP ClR'CBREAKER IN PARFUSE PANEL I P I

.3.0-RED-2 B2 9 6 4 5 2 8 '_ _ _ . . , 2*77253---- 5̂3 D521

-3.0-PNK-3B20 AMP FUSE BART OFIN FUSE PANEL ,.p HARN

mJUNCTION

BLOCK

REAR WINDOW DEFOGGER

A/M F/M STEREO RADIO RPO UM 4.5.6. UN 5

- - . 8 -PPL-------------— 8-PNK/BLK.------ 1 .0 - LT GRN-------— .8-BRN/WHT — — .8 -ORN------------

-8 -D K BLU- -,8-PPL-

-1.0-PNK/BLK—-1.0-LT GRN-----

k —A— .8-BRN/W HT- B— .8 -8RN/ WHT-

-.8 -ORN -


■

26

■8-PPL- B-.8-TAN

12010501

0 DR

•8'BLK/WHT— G \Q_ Dl /VAVLJT___ C

AUTO TRANS ONLY

DIAGNOSTICCHECK

PARK NEUT RLY AUTO TRANS

2984415

- - 6 — A-TAN/BLK-

g — 3-TAN/BLK— ‘^ 0nPHAfiN

^------------H— B-BLK/WHT------------------------ 3X3-YEL—

------- .8-0RN/8LK

---------aOPNK-120)0632

TO SPLICE IN I P HAR

ELECTRONIC CONTROL MODULE

BAROMETRIC SENSOR l*tf>UT 1t h r o t t l e p o s s e n in r j t 2 417COOLANT TEMP SEN INPUT 3 410AIR CONTROL SOL OUTPUT 4DIAGNOSTIC ENABLE INPUT 5

NOT USEO 6ANALOG LO INPUT 7

t h r o t t l e c o n t r o l sw in p u t 802 SENSOR HI INPUT 9 4i 2

DISTRIB REF PULSE HI INPUT 10 450IGN MOOULE BYPASS OUTPUT 11 V

SPARK TIMING OUTPUT 12DISTRIB REF PULSE LO INPUT 13 45-

02 SENSOR LO INPUT 14 413COLD START PROGRAM MOO INPUT IS

VEHICLE SPEED INPUT HIGH GEAR INPUT

1617

CARB FUEL SOL OUTPUT 18 4 i i♦8V SUPPLY OUTPUT 19 431MAP OR VAC SENSOR INPUT 43?

♦ 5V REF VOLTAGE OUTPUT 21 4l6ANALOG LO INPUT 22

AAIR SW SOL OUTPUT 8 4 2 V

IGN 1 PWR INPUT C iWNOT USED D

CANISTER PURGE SOL OUTPUT EIDLE SPEED MOTOR HI EXT OUTPUT F

CHECK ENG LAMP OUTPUT G ,41VPARK/NEU SW INPUT H

A/C ON SW INPUT JNOT USED KNOT USED L

IDLE SPEED MTfi LO OUTPUT MNOT USED N

TORQ CONvTR CLUTCH OUTPUT P W{CONTINOUS BATTERY R 440

NOT USED SOUTPUT EGR SOL T 435

ECM PWR GRD TO ENG GRD U 4M

, 6 29405310-LT GRN — f66 l TO ENG HARN


27

Id

13N¥d N 23SHJ Nir A

AVD ADOvLNfTfcnv L k p j

I O

9502-90-CO X310*' X ,

L H -----------'W6------686 -------------------->

V086------9S0I-90-C0 X3xm

r̂ \11 £

--{jf> (!) O oj x [̂Q o| OO __________ o ^§ |~~C9 9 9 ?1 V p l —

f=̂5'U_I I I

in id in

(> o c> ^ <>o ad) <!> <!>|


28

Fig. 22 - CK Truck Electrical Wiring 1 o f 4

29

Fig. 23 — CK Truck Electrical Wiring 2 o f 4

30


31

NOTES:

1 CIRCUIT CONTACTS CLOSED WITH BRAKE AT REST

2 USE WITH SEAL 12010155

3 USE WITH SEAL 12010891

DIESEL ENGINE(RPO LF9) FOR RPO NC8-NA5


1981 chevrolet advance information shop manual · 1981 chevrolet advance information shop manual...

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