PM719132.FRM

239

93632

304298

570

230

B8

2828

B239

632248570

93

342

A239

A55

25 25

152A495

633B239

248

281

12

35

12

227

55

241

36239

242239

1239

8

2239

269242

269

242CHASSISHARNESS

MAIN CABHARNESS

241 24123923936363535

2422423838

228

SPARE MARKER LT

AUX TRANSTEMP SENDER

REAR DRIVER TEMP SENDER

FRONT DRIVERTEMP SENDER

LEFTFUEL TANK

RIGHTFUEL TANK

AIR DRYER

FUEL FILTER

BACK-UP LIGHT SW

BACK-UP ALARM(OPTIONAL)

RH LAMP STOP/TAIL/BACK

LIC PLATE LAMP(OPTIONAL)

5

ACC POWER

239

239

269

SPARE RH TURN LT

433431

A433

A433

429

437

A431

429

429

RH SPEAKER

LH SPEAKER

SPEAKERVOL CONTROL

FUSE HOLDER

435A431

READING LT

READING LT

19

RH BAGCOMP LGHT

LH BAGCOMP LGHT

RH DR SWTCH

LH DR SWTCH329

19389

239

239

2391919

239329

239

249

RH LOAD LTLH LOAD LT

AD LT

249

433437

435431

437433431435

389

2391919

248249254

248249254

SLEEPERHARNESS

SLEEPERJUMPER HARNESS

429

239 ACC POWER CONN

ACC GROUND

23919A19

OVERHEAD LT SW

OVERHEADFLUORESCENT LT

152153

248B239

212240

AUX HEAT-A/C CNTRL

152153212240

DOME LIGHT

LH GENERAL LTS

RH GENERAL LTS

23919A1923919A192391923919

2391923919

389

329329

429389

239429

254

SHER

CAB HEAT& A/CCNTRL

TTON

WIPERMOTOR

WN/

IGNAL

RESSW

GRD

AY

S

HO

RN

ST

OP

TA

IL

MIR

HE

AT

SP

AR

E #

3 CA

BH

TR

SLP

RH

TR

SP

AR

E S

W

WIP

ER

8

4

IGN

LIG

HT

BU

LB

HO

RN

RO

OF

303242

SLP

R

FO

G

A/C

SP

AR

E #

1

LE

FT

RIG

HT

45

226 248226

397226

A8

298A252

4

329

29824

252

283

3

124

230

41

226

298

24

28

4

41239

42239

A8

13304

239

23039

229 19230

280

348

2725429

S #

5

DR

L

LT H

D L

PR

T H

D L

P

SP

AR

E #

2PN

LLP S

WA

CC

243

42

AC

C

8

CL L

PS

MA

RK

ER

LP

S

8 83737

239

228SPARE LH TURN LT

227228

227

837

26983837

239

378

269

LH LAMP STOP/TAIL/BACK

5

342

628629

B239BLANK

630A495

630629628

A495B239

A495B239

S #

4

TU

RN

CB

C L

P

RA

DIO

A F

N

298

BU

NK

AC

CA

B F

AN

LO

FR

SH

/RE

CR

C

CO

MP

CLT

CH

TEMPACTUATOR

BLOWERRESISTOR

153BLOWERMOTOR

631 BLOWERCONTROL

SLEEPER

SCHEMATIC-379 FAMILY

SK25762

Sch SK25762 01

A495

ELECTRIC HORN 243

HOODHARNESS

MAIN CABHARNESS

242

42

RH POLE LT

LH DR/FOG LT

8

7

41239

8

228239

HIGHHIGHLOW

MARKERTURN

LHLAMPASSY

42

41239

8

227239

HIGH

HIGHLOW

MARKERTURN

RHLAMPASSY

220570

227

4242418

242220570

42

84142

227239 239

MAIN CABHARNESS

ENGINEHARNESS

E2

225

E1

ENGINE BRAKE OPTIONS

ETHER

232

223224

83

CNO

NCKYSOR WATERTEMP OPTION

289

191RADIATOR SHUTTER OPTION

LOW WATER WARNING OPTION

59

ENGINE OIL TEMP 282

MAIN TRANSTEMP OPTION

231285

SPARE CIRCUITS

A23FUEL SOLENOID

23929

FAN CLUTCH TEMP SW

A29A30

380WATER TEMP GUAGE OPTION

A98242

242

239

A30A29

29239

220

A9822024293E2E1

38083A2328259

232231285191289223224225

29239A9822024293E2E159

282A2383

380232231285

289223224225

-

S

ALTERNATOR

STARTER

BATTERIES

SOLENOID (W/OSTD STARTER) 239

29A29A30

31

-+

-+

-+

CIRCUITBREAKER 30

239239

ENGINEGRD

FRAMEGRD

298MAIN CAB POWER

180

93

220

570

328298292392424241

PARK BRAKE SW

DRLMODULEDAYTIME

RUNNINGLIGHTOPTION

328239328298292392424241

328239

298

MAIN CABHARNESS

66

TRAILER HARNESS

AUX5

228279227866

AUX

665

228279

227

8

8227

8227

2792285

AUX

2792285

AUX

TRAILERPLUG

437

19239A252

B239

389

431433

389

431433430

434LH SPEAKER

436432RH SPEAKER

3485

24819

239429

SLEEPERJUMPERHARNESS

ROOFHARNESS

430434436432

RADIO

435431433

429

19248249254254

24924819239429

MAIN CABHARNESS

329

254

RH LOAD LT

LH LOAD LT

AD LIGHT

249

249254A252

229AUX FAN229

RH SPOT LT

LH SPOT LT

132

132

132

19

19

ALARM TAP 389

CTR ROOF LT

RH DOOR SW

LH DOOR SW

329

239

RH DOOR LT

LH DOOR LT

RH CLR LGHT

LH CLR LGHT

RH I D LGHT

LH I D LGHT

CTR I D LGHT

C B348

239

239

239

239

32919239

19

19239

329

23919

5

5

5

5

5

3485

24819

239429132229A252254249329

239

239

435435

437 437

19329389

19329389

249

B239

280280

280 CIGARLIGHTER

FUSE HOLDER

WA

283

HEATTURN LGHTCLR LGHTGROUND

RH MIRROROPTIONS

2395

227302

239

HORN BU

253 CIG LIGHTER LT

FIBEROPTICLIGHT

239253

239106

23231

305

ENGINE SHUTDOSPEED LIMITER/ENGINE WARNINGOPTIONS

239232

280239 GROUND

404239

TURN S SW

228227

AUX

239

3837A88

2812793

192

239286304

STOPLT

5TH WHL

DIFF LOCKLOW AIR

LOW AIR

OILKYSOR OPTIONS

PS

HEATTURN LGHTCLR LGHTGROUND

LH MIRROROPTIONS

2395

228302

281A39

A3939

FLASHER

SHUTDOWN RELAY

242145239305

MAINACC REL

239

SPARE CIRCUT

E1E2

230

226226226

230

98

23A2329

A98

SPARECIRCUTS

226230

302303

132280

298

397

220

B8

242

402398249

280

8329

23232

23924

239

397

404

404403

27

B82397

239

B8239A5

ENGINEBRAKEOPTION

225224

242289223

1

214

MIRROR HEAT

SHUTDOWN OVERRIDE

SPOTLIGHT

FUELLEVEL

ENG FAN

AD/LOADLIGHT

29

249

AIR START

WIPER/WASH SW

AUXLIGHT

CLEARANCE LIGHT

HEADLIGHT

GLOVE BOX LT239253

241

AUX TRANS TEMP

59

3536

242239

REARDRIVERTEMP

TRANSTEMP VARA-

SHIELD

CLOCKAIRPRESS

280

GLOW PLUG

SPARE

SPARE

FRONTDRIVERTEMP

90

14

252

242253

WATERTEMP

FUELLEVEL

DUALAIRPRES

SPARESTWO SPDAXLE OPT

286

22612

IGNSWAIR

APP

380

SPEEDO

239197

#1#2#3#4#5

239

SPARE

253

324239

2983

286239242253282280

OILTEMP

OILPRESS

VOLTS

MANPRESS

PYRO

TACH

ETHER

STARTBUTTON

SPARES

GROUNDCONSTANT POWER

TRAILERCONSTANT POWERSWITCHED POWER

SWITCH

SWITCH

SWITCH

SWITCH

SWITCH

SWITCH

SWITCH

SWITCH

SWITCH

SWITCH

239403402

397398

239253242

INSTR GRDS

INSTR LIGHT POWERINSTR POWER

227

438SPARE145239220249354

SPARESPARESPARESPARE239

132

254

ETHER

FUELRESTRICT

SPEEDOSENSOR

TACHSENSOR

226

23

A298CIRCUITBREAKER

226

PANELLIGHTDIMMER

13

253WHITE

18-W

AY

CO

NN

EC

TO

R16-W

AY

CO

NN

EC

TO

R

BLANK305

SPARE 98

SPARESPARE302228

SPARESPARE242

SPARE

106419192285

42SPARETESTTEST

BU

ZZ

ER

LIG

HT

BA

R

354CRUISECONTROL

106

ENG CHECK LIGHT419RED438 ENG STOP LIGHT

83

106285285

239

GROUND

FREON COMPRESSOR CLUTCH

FREONHSLP SW

FAN SOLENOID

FREONHSFO SW

220242

FREONHSHP SW

41

2437

22841

2437

228

7

8

RH DR/FOG LT

LH POLE LT

A495 A495BLANK BLANK

A495 A495B239

631634342253239629

239A495

239633342

A495180

220

243BLANK

242

570

242239

153152212240631A495A239239

239634342

632

152

633

153212240

239629342

MODE ACTUATOR

TEMP ACTUATOR

FRESH/RECIRCACTUATOR

CABBLOWERRESISTOR

15345 BLOWER

CAB

B239

A495 A495

FIREWALLHARNESS

tic, Model 379 Family Wiring

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