ST-386-83 1983 - 73-87ChevyTrucks.com

1 ST-386-83 1983 CHEVROLET GMC LIGHT DUTY TRUCK CK ST P & G-VAN WIRING MANUAL WIRING DIAGRAMS 1 ELECTRICAL CIRCUIT IDENTIFICATION FOR WIRING DIAGRAMSC ircu it N u m b e rC irc u itC o lo rC irc u it N a m e2 RedFeed, B attery - Unfused3 PinkFeed, Ign. Sw. "O n & C ra nk" C o n tro lle d , Unfused4B row nFeed, Ign. Sw. "A ccsy & O n " C o n tro lle d , Unfused5Y e llo wN eutral Safety S tart Sw. or S tart Relay Feed6 PurpleS tarter Solenoid Feed7Y e llo wP rim ary Ig n itio n Resistance By-Pass8G rayIn stru m e nt and Panel Lights (Fused N o. 44 Cir.)9B row nT a il, License, Park and Side M arker Lam p Feed10Y e llo wD im m er Sw.

2 Feed11 Lig h t GreenH eadlam p Feed, Hi-Beam12 TanHeadlam p Feed, Lo-Beam13 PurpleF ro n t Parking Lamps14L ig h t . In d ica to r and F ro n t D irectional Lamps15 Dark BlueR .H . In d ica to r and F ro n t D irectional Lamps16 PurpleD irectional Signal Sw., Feed F rom Flasher17W hiteD irectional Signal Sw., Feed F rom S top Sw. / AY e llo wS top and D irectional Lam p or D ire ctio na l Lam p O n ly - Rear .0D ark GreenS top and D irectional Lam p or D ire ctio na l Lam p O n ly - Rear ( 2 0 )L ig h t BlueS top Lam p (O nly)21 PinkS pot Lig h t22W hiteD ire ct G round - T railer24 Lig h t GreenBack Up Lam p Feed25B row nFeed, V oltage R egulator C ontrolled26D ark BlueField C ircu it (F) (Gen/Reg.)

3 27B row nT ra ffic Hazard Sw., Feed From Hazard Flasher28 BlackG rou n d , H orn Sw. C ontrolled29D ark Green H orn Feed30 PinkFuel Gauge to T ank U n it31 TanO il Pressure, Engine32Y e llo wM ap Lig h t Feed33 Tan-W hiteW arning Lig h t - Brake34 PurpleFog o r D rive Lam p35 Dark GreenG rou n d , Eng. C oolant Tem p. Sw. o r ECM C ontrolled (H ot)36L ig h t GreenG round, Eng. Tem p. Sw. C o n tro lle d (Cold)C irc u itN u m b e rC ircu it C o lo rC irc u it N a m e37L ig h t GreenG round, Eng. M etal Tem p. Sw. C o n tro lle d (H ot)38D ark BlueFlasher Fused Feed3 9 Pink-BlackFeed, Ign. Sw. "O n and C ra n k" C ontrolled - Fused4 0 OrangeFeed, B attery - Fused41B row n-W hite Feed, Ign.

4 Sw. "A ccsy and O n " C ontrolled - Fused4 2Y e llo wFeed, A /C A u to Relay C ontrolled4 3Y e llo wRadio Feed4 4 Dark and Lights Feed (Usually Light Sw. to Fuse)4 5 BlackM arker and Clearance Lamps (T railers)4 6D ark BlueRear Seat Speaker Feed From Single Radio or R ight StereoD ark BlueA u x ilia ry C ircu it (Trailer) G rayT ail Lp. - Headlam p Sw. " O n " - or D ir. Signal and S top - Headlamp Sw. " O ff" Rear e x^Dark BlueT ail Lp. - H eadlam p Sw. " O n " - or D ir. Signal and Stop - Headlam p Sw. " O ff" Rear R . 0B row nFeed, Ign. Sw. "O n " C o n tro lle d - Fused51Y e llo wBlow er Resistor Feed - Low5 2 OrangeFeed, B low Sw.

5 " H i" o r Selector Sw. "M ax C o ld " C ontrolled5 3 Lig h t GreenValve Release Solenoid to C o n tro l Box5 4D ark GreenC o n tro l to Shield5 5 OrangeK ick D ow n S olenoid Feed5 6 TanA m p lifie r to Transducer5 . Cornering Lam p Feed5 8 BlackR .H. Cornering Lam p Feed5 9D ark GreenCom pressor Feed6 0O range-BlackFeed, B attery, C irc u it Breaker Protected61Y e llo wG round, Resistive, A u to A /C A m b . Sensor C ontrolled62L ig h t Green G round, Resistive, A u to A /C Feed Back Pot C onrolled6 3 TanFeed, Blow er Sw. "M edium 1" C ontrolled6 4B row nB low er Sw. Feed From A /C Selector er M oto r Feed6 6 Lig h t GreenFeed, A /C Selector Sw.

6 C ontrolled (C om p. Ct.)6 7 Light BlueFeed, A /C Freon Press, C ut-O ut Sw. C o n tro lle d2 WIRING DIAGRAMSE L E C T R IC A L C IR C U IT ID E N T IF IC A T IO N F O R W IR IN G D IA G R A M S C o n t'd )C irc u itN u m b e rC irc u itC o lo rC irc u it N am e68Y ellow -B lack G rou n d , Resistive, Low C oolant Probe C ontrolled69G rayG round Low C oolant M odule C o n tro lle d70 PinkFeed, Relay C o n tro lle d , Ign. Sw. C o n tro lle d71 BlackG round, A /C Selector Sw. " D e f" C o n tro lle d72L ig h t BlueFeed, B low er Sw. "M e d iu m 2 " C ontrolled73 Purple-W hite Feed, B low er Sw. "M e d iu m 3 " C on tro lle d74 Lig h t GreenFeed to T h ro ttle Sw itch75 Dark BlueFeed, Ign.

7 Sw. "O n and C ra n k" C o n tro lle d - Fused76 PinkFeed, Ign. Sw. C ontrolled78L ig h t BlueE le ctric Choke Feed80L ig h t GreenG round Key W arning Buzzer81N at. W hiteE le ctric Rem ote M irro r, R ight82 Light BlueE le ctric Rem ote M irro r, L e ft83D ark GreenFeed, Cruise Engage Sw. "R e ta rd " C ontrolled84D ark BlueFeed, Cruise Engage Sw. "E ngage" C ontrolled85W hiteG rou n d , Cruise In d ica to r R egulator C ontrolled86B row nFeed, Cruise Brake Release Sw. C o n tro lle d87G ray-BlackFeed, Resume S olenoid, Brake S w itch C ontrolled88Y e llo wE le ctric R em ote M irro r, Up89L ig h t GreenE le ctric Rem ote M irro r, D ow n90 PinkFeed, C u to u t Sw.

8 C o n tro lle d , C ir. B rkr. Protected91 GrayW indshield W iper - Low92 PurpleW indshield W iper - Hi93W hiteW indshield W iper M o to r Feed94 PinkW indshield Washer Sw . to Washer95D ark GreenG rou n d , Pulse W iper Sw. C o n tro lle d96B row nFeed, Pulse W iper Rheostat Sw. C o n tro lle d97L ig h t BlueW indshield W iper, Pulse Low98 OrangeFeed, D ynam ic Break, "B -P lu s" S w itch W iper M o to r99B lack-W hiteW indshield Washer Low F luid101D ark BlueResistor O u tp u t to B low er Relay102W hiteSL A lte rn a to r - R egulator Sensing C ircu it105 BlackA m m ete r - G enerator106G rayA m m ete r - B atteryC irc u itN u m b e rC irc u itC o lo rC irc u it N am e107 Dark BlueOver Speed W arning Lig h t111 BlackG round, A n ti-S k i Low A ir Sw.

9 C ontrolled112 Dark GreenT ellta le T em perature Gauge (H ot)115L ig h t BlueSpeaker R eturn, R T rr Stereo116Y e llo wSpeaker R etu rn , LF rr Stereo117 Dark GreenSpeaker R eturn, R T F rt. Stereo118 GraySpeaker R eturn, LF F rt. Stereo119W hiteG enerator (A lte rn a to r) to R egulator120 PurpleE lectric Fuel Pum p Feed121W hiteT achom eter to C oil125Y e llo wD oor Jam b S w itch126 BlackSeat Back Lock Feed130B row n-W hiteG enerator (A lte rn a to r) E xt. Resist. 2 O h m s/F o o t131 Black-PinkG enerator (A lte rn a to r) E xt. Resist. 1 O h m /F o o t132W hiteG round, Fuel E conom y Sw. C o n tro lle d , A m b e r T elltale133Y e llo wG round, Fuel E conom y Sw.

10 C o n tro lle d , G rn. T elltale135 Dark GreenW hiteG round, Resistive, Tem p. Gauge Sensor C on tro lle d136 Dark BlueG round, V acuum S w itch C o n tro lle d , T u rb o Boost T elltale137N atural-G round, V acuum S w itchW hiteC o n tro lle d , T u rb o Boost E conom y T ellta le139 Pink-BlackFeed, Ign. Sw. "O n and C ra nk" C ontrolled - Fused140 OrangeFeed, B attery - Fused141B row n-W hiteFeed, Ign. Sw., "A ccsy and O n " C o n tro lle d142 BlackRr C om partm ent Lid Lock Release143 PinkFeed Radio Sw . "O n " C on tro lle d144Y e llo wFeed to Pwr A n t GreenFeed, Pwr A n t U p, Relay C o n tro lle d146D ark GreenG round, T ru n k Release T ell-Tale150 BlackG round C irc u it - D irect151 BlackG round C irc u it - D irect152 BlackG round C irc u it - D irect153 BlackG round C irc u it - D irect154 BlackG round C irc u it - D irect155 BlackG round C ircu it - D irectWIRING DIAGRAMS 3E L E C T R IC A L C IR C U IT ID E N T IF IC A T IO N F O R W IR IN G D IA G R A M S (C o n t'd )