Diagram sections — 19 (51 total)
ANTI-LOCK BRAKES COMPUTER DATA LINES CRUISE CONTROL ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER WINDOWS RADIO STARTING/CHARGING TRANSMISSION WARNING SYSTEMS WIPER/WASHER
ANTI-LOCK BRAKES All-Wheel ABS Wiring Diagram, with Brake Control Module, with DRL for GMC Sonoma 1994 List of elements for All-Wheel ABS Wiring Diagram, with Brake Control Module, with DRL for GMC Sonoma 1994: 59 (at left (at park (at right (behind left side of i/p) (behind left side of i/p, above fuse 4wd engaged in Abs ind Anti-lock brakes ind. Block) Bpmv gnd Brake fuse 15a Brake ind. Brake pedal) Brake pressure warning warning (in engine compt, near master cylinder) Brake sw Brake switch (mounted on brake pedal bracket) Brake warn ind Cluster Data link connector (behind left side of i/p) Diag request Diode module Drl module Four-wheel anti-lock brake control module (mounted next to the brake master cylinder) Front wheel) Fuse block: i/p Fusible link (14 ga-rust) G114 (rear of left cylinder head) Gauges fuse 20a Hot at all times Hot in run Hot in run, bulb test or start Ign feed Ignition switch Instrument Left front wheel sensor Lf sensor hi Lf sensor lo Nca Only Output Park brake Pnk/ Pnk/ h Pump motor gnd Pump motor pwr Red Rf sensor hi Rf sensor lo Right front wheel sensor Speed Switch Tan Tan/ a Transmissions system Vehicle Vehicle speed in Vehicle speed sensor buffer (behind right side of i/p) W/ 4wd Warning All-Wheel ABS Wiring Diagram, with Brake Control Module, without DRL for GMC Sonoma 1994 List of elements for All-Wheel ABS Wiring Diagram, with Brake Control Module, without DRL for GMC Sonoma 1994: 59 (at left (at park (at right (behind left side of i/p, above fuse 4wd engaged in Abs ind Anti-lock brakes ind. Block) Bpmv gnd Brake fuse 15a Brake ind. Brake pedal) Brake pressure Brake sw Brake switch (mounted on brake pedal bracket) Brake warn ind Cluster Cylinder) Data link connector (behind left side of i/p) Diag request Diode Four-wheel anti-lock brake control module (mounted next to the brake master cylinder) Front wheel) Fuse block: i/p Fusible link (14 ga-rust) G114 (rear of left cylinder head) Gauges fuse 20a Hot at all times Hot in run Hot in run, bulb test or start Ign feed In-line Instrument Left front wheel sensor Lf sensor hi Lf sensor lo Nca Near master Only Output Park brake Pnk/ Pnk/ h Pump motor gnd Pump motor pwr Red Rf sensor hi Rf sensor lo Right front wheel sensor Speed Switch Tan Transmissions system Vehicle Vehicle speed in Vehicle speed sensor buffer (behind right side of i/p) W/ 4wd Warning Warning warning (in engine compt, All-Wheel ABS Wiring Diagram, with Vehicle Control Module for GMC Sonoma 1994 List of elements for All-Wheel ABS Wiring Diagram, with Vehicle Control Module for GMC Sonoma 1994: 81 (at left front wheel) (at park (at right front wheel) (behind left side of i/p) (left side of i/p, (on steering column bracket) Above fuse block) Abs ind. Abs pump motor & solenoid assembly (below brake master cylinder) Abs voltage Anti-lock lamp Brake fuse 15a Brake ign feed Brake ind. Brake lamp Brake pedal) Brake pressure Brake pressure sw Brake sw signal Brake switch Connector Cruise control system Cylinder) Data link Dlc ground Drl module Front axle sw Fuse block: i/p Fusible link (14 ga-rust) G102 (left engine compt) Gauges fuse 20a Hot at all times Hot in run Hot in run, bulb test or start Ignition switch In-line diode Instrument cluster Left front Lf iso sol Lf iso solenoid Lf pwm sol Lf pwm solenoid Lf wheel speed-hi Lf wheel speed-lo Nca Near master Only Park brake Pmp drvr feedback Pnk Pnk/ Pump driver Pump motor Pump motor relay Rear iso sol Rear iso solenoid Rear pwm sol Rear pwm solenoid Red Rf iso sol Rf iso solenoid Rf pwm sol Rf pwm solenoid Rf wheel speed-hi Rf wheel speed-lo Right front Serial data Switch Tan Tan/ a Transmission system (front axle switch) Twisted pair Vehicle control module (partial) (at right fender) Vehicle speed sensor (left rear of transmission) Vss signal-hi Vss signal-lo W/ 4wd only W/ drl Warning Warning warning (in engine compt, Wheel sensor Rear Wheel ABS Wiring Diagram for GMC Sonoma 1994 List of elements for Rear Wheel ABS Wiring Diagram for GMC Sonoma 1994: 47 (at park (behind left side of i/p) (behind left side of i/p, above fuse (right side of engine) All times Bat feed Block) Brake fuse 15a Brake ind. Brake pedal) Brake pressure Brake pressure warning warning (in engine compt, near master cylinder) Brake sw Brake switch (mounted on steering column bracket) Brake warn ind Cluster Cylinder) Diode Drl module Ecm batt fuse 15a Fuse block: i/p G120 Gauges fuse 20a Gnd Hot at Hot in run Hot in run, bulb test or start Ign feed Ignition switch In-line Instrument Module Near master Output Park brake Pnk/ Rear wheel anti-lock brake control module (in engine compt, below master cylinder) Speed Switch Tan/ a Vehicle Vehicle speed in Vehicle speed sensor buffer (behind right side of i/p) W/ drl W/o drl Warning Warning warning (in engine compt,
COMPUTER DATA LINES
2.2L 2.2L (VIN 4), Data Link Connector Wiring Diagram for GMC Sonoma 1994 List of elements for 2.2L (VIN 4), Data Link Connector Wiring Diagram for GMC Sonoma 1994: 18 (behind left side of i/p, right of steering column) (left front of engine) (mounted next **c211a, pin a9-w/ 4.3l vin w (m/t) c211, pin a14-except 4.3l vin w (m/t) *c211a, pin a8-w/ 4.3l vin w (m/t) c210, pin f9-except 4.3l vin w (m/t) Anti-lock brake control module C221 Data link connector Diagnostic ** Diagnostic request c152 Four-wheel G110 Master cylinder) Powertrain control module (behind right side of i/p) Serial data Test To brake W/ 4-wheel abs only
4.3L 4.3L (VIN W), Data Link Connector Wiring Diagram for GMC Sonoma 1994 List of elements for 4.3L (VIN W), Data Link Connector Wiring Diagram for GMC Sonoma 1994: 18 (behind left side of i/p, right of steering column) (left front of engine) (mounted next **c211a, pin a9-w/ 4.3l vin w (m/t) c211, pin a14-except 4.3l vin w (m/t) *c211a, pin a8-w/ 4.3l vin w (m/t) c210, pin f9-except 4.3l vin w (m/t) Anti-lock brake control module C221 Data link connector Diagnostic ** Diagnostic request c152 Four-wheel G110 Master cylinder) Powertrain control module (behind right side of i/p) Serial data Test To brake W/ 4-wheel abs only 4.3L (VIN Z), Data Link Connector Wiring Diagram, with Powertrain Control Module for GMC Sonoma 1994 List of elements for 4.3L (VIN Z), Data Link Connector Wiring Diagram, with Powertrain Control Module for GMC Sonoma 1994: 18 (behind left side of i/p, right of steering column) (left front of engine) (mounted next **c211a, pin a9-w/ 4.3l vin w (m/t) c211, pin a14-except 4.3l vin w (m/t) *c211a, pin a8-w/ 4.3l vin w (m/t) c210, pin f9-except 4.3l vin w (m/t) Anti-lock brake control module C221 Data link connector Diagnostic ** Diagnostic request c152 Four-wheel G110 Master cylinder) Powertrain control module (behind right side of i/p) Serial data Test To brake W/ 4-wheel abs only 4.3L (VIN Z), Data Link Connector Wiring Diagram, with Vehicle Control Module for GMC Sonoma 1994 List of elements for 4.3L (VIN Z), Data Link Connector Wiring Diagram, with Vehicle Control Module for GMC Sonoma 1994: 7 (behind left side of i/p, right of steering column) C221 Data link connector Diagnostic test Dlc ground 110a Serial data Vehicle control module (above right front wheelhouse)
CRUISE CONTROL
2.2L 2.2L (VIN 4), Cruise Control Wiring Diagram for GMC Sonoma 1994 List of elements for 2.2L (VIN 4), Cruise Control Wiring Diagram for GMC Sonoma 1994: 62 (behind right side of instrument panel) panel) (w/4wd) (left rear side of transfer case) (l4 vin 4 & v6 vinz) (l4 vin4) g102 (rear of left (lower left (lower left side (v6 vinz) (w/o 4wd) 12vdc ignition A/t Auto only B10 Brake fuse 15a Brake input Brake switch input C110a C111a C12 C217 C218 C227a C249 C255 C320 Clutch start Cruise control module (left side of cowl, Cruise control release switch Cruise control switch Cruise input Cruise on/off input Cruise release Cylinder head) Fuse block G102 (lower rear Ground Hot at all times Hot in run Instrument panel) M/t Near junction block) Of cowl) Of engine Off Pcm signal Pnk/ Powertrain control module (pcm) (behind right side of R/a R/a signal S/c S/c signal Servo posit input Side of cowl) Solid state Speed output Speed sensor input Stop-haz fuse 15a Switch Vehicle control module (above inner right front wheelwell) Vehicle speed sensor (left rear of transmission) Vehicle speed sensor buffer With vehicle control module Without vehicle control module Without vehicle control vehicle
4.3L 4.3L (VIN W), Cruise Control Wiring Diagram for GMC Sonoma 1994 List of elements for 4.3L (VIN W), Cruise Control Wiring Diagram for GMC Sonoma 1994: 62 (behind right side of instrument panel) panel) (w/4wd) (left rear side of transfer case) (l4 vin 4 & v6 vinz) (l4 vin4) g102 (rear of left (lower left (lower left side (v6 vinz) (w/o 4wd) 12vdc ignition A/t Auto only B10 Brake fuse 15a Brake input Brake switch input C110a C111a C12 C217 C218 C227a C249 C255 C320 Clutch start Cruise control module (left side of cowl, Cruise control release switch Cruise control switch Cruise input Cruise on/off input Cruise release Cylinder head) Fuse block G102 (lower rear Ground Hot at all times Hot in run Instrument panel) M/t Near junction block) Of cowl) Of engine Off Pcm signal Pnk/ Powertrain control module (pcm) (behind right side of R/a R/a signal S/c S/c signal Servo posit input Side of cowl) Solid state Speed output Speed sensor input Stop-haz fuse 15a Switch Vehicle control module (above inner right front wheelwell) Vehicle speed sensor (left rear of transmission) Vehicle speed sensor buffer With vehicle control module Without vehicle control module Without vehicle control vehicle 4.3L (VIN Z), Cruise Control Wiring Diagram for GMC Sonoma 1994 List of elements for 4.3L (VIN Z), Cruise Control Wiring Diagram for GMC Sonoma 1994: 62 (behind right side of instrument panel) panel) (w/4wd) (left rear side of transfer case) (l4 vin 4 & v6 vinz) (l4 vin4) g102 (rear of left (lower left (lower left side (v6 vinz) (w/o 4wd) 12vdc ignition A/t Auto only B10 Brake fuse 15a Brake input Brake switch input C110a C111a C12 C217 C218 C227a C249 C255 C320 Clutch start Cruise control module (left side of cowl, Cruise control release switch Cruise control switch Cruise input Cruise on/off input Cruise release Cylinder head) Fuse block G102 (lower rear Ground Hot at all times Hot in run Instrument panel) M/t Near junction block) Of cowl) Of engine Off Pcm signal Pnk/ Powertrain control module (pcm) (behind right side of R/a R/a signal S/c S/c signal Servo posit input Side of cowl) Solid state Speed output Speed sensor input Stop-haz fuse 15a Switch Vehicle control module (above inner right front wheelwell) Vehicle speed sensor (left rear of transmission) Vehicle speed sensor buffer With vehicle control module Without vehicle control module Without vehicle control vehicle
ENGINE PERFORMANCE
2.2L 2.2L (VIN 4), Engine Performance Wiring Diagrams (2 of 2) for GMC Sonoma 1994 List of elements for 2.2L (VIN 4), Engine Performance Wiring Diagrams (2 of 2) for GMC Sonoma 1994: 53 (rear of engine) 1-2 shift sol 1x sig 2-3 shift sol 3 3-2 control solenoid A tan A/t Accy Brake fuse 15a Brake switch (on brake pedal bracket) Bulb test C201 Ckp sens Crankshaft position sensor (location not available) Electronic 4 - speed overdrive transmission Electronic ignition (ei) system module (left side of engine) Engine coolant temperature sensor (top rear of engine) Force motor Fuse block (behind left side of i/p) G110 (left front of engine) G117 (lower rear of engine) Gnd Hot at all times Hot in run Ic bypass Ic ref hi Ic ref lo Ic sig Ignition coil Instrument cluster (tachometer) Instrument cluster (upshift indicator) Intake air temperature sensor (right side of engine, near generator) Lock M/t Manifold absolute pressure sensor (top right Nca b Off Pnk Pri Red Run Sec Shield Side of engine) Spark plugs Start Tach sig Tan Tcc sol Tp sensor (right side of engine) Trans range press sw assembly Trans- mission fluid temp sensor
4.3L 4.3L (VIN W), Engine Performance Wiring Diagrams (2 of 2) for GMC Sonoma 1994 List of elements for 4.3L (VIN W), Engine Performance Wiring Diagrams (2 of 2) for GMC Sonoma 1994: 43 (front of engine) (rear of engine) 1-2 shift sol 2-3 shift sol 3-2 control solenoid A pnk Accy Brake fuse 15a Bulb test C11 Distributor Distributor assembly Electronic 4 - speed overdrive transmission Engine coolant tmperature sensor Evaporative canister purge solenoid (top left side of engine) Force motor Fuse block (behind left side of i/p) G117 (rear of right cylinder head) Heated oxygen sensor (in y-pipe) Hot at all times Hot in run Idle air control valve (top front of engine near a/c compressor) Ignition coil (top rear of engine) Ignition switch Instrument cluster (tachometer) Intake air tmperature sensor (top left front of engine, near generator) Linear egr solenoid (top front of engine) Lock Manifold absolute pressure sensor (top right side of engine) Nca Off Pick-up coil Pnk Red Run Start Tan Tcc sol Tcc/brake switch (on brake pedal support) Tp sensor (top left front of engine) Trans range press sw assembly Trans- mission fluid temp sensor Vehicle speed sensor buffer (behind right side of i/p) 4.3L (VIN Z), Engine Controls Wiring Diagram, with VCM (1 of 2) for GMC Sonoma 1994 List of elements for 4.3L (VIN Z), Engine Controls Wiring Diagram, with VCM (1 of 2) for GMC Sonoma 1994: 55 (frame ground) 12v ign 12v ignition 5 volt ref 5 volt return A/c compressor relay A/c enable relay Abs brake warn lamp Abs relay Anti-lock brake system Battery Brake press sw input Brake press warn lamp Brake switch input Bulb test or start Cruise control module Cruise speed sig Data link connector (behind left side of i/p) Distributor ref hi Dlc Ecm/batt fuse 15a Ecm/ign fuse 10a Egr low Fuel pump and sender (at fuel tank) Fuel pump prime connector (engine compartment on center of cowl) Fuel pump relay (under center of i/p) Fuel pump relay drive Fuel pump switch input Fuel pump/ oil pressure switch (top rear of engine, near distributor) Fuse block (behind left side of i/p) G114 (rear of left cylinder head) G117 (rear of right cylinder head) Gauges fuse 20a Ground Hot at all times Hot in run, Instrument cluster Knock sensor (in left cylinder head) Knock sensor (top rear of engine) Left front wheel spd sens Malfunction indicator lamp Mil control O2 sens high O2 sens low Pump drive output Red Right front wheel spd sens Speed signal to cluster Tan Throttle body fuel injector #1 (top center of engine in throttle body) Throttle body fuel injector #2 (top center of engine in throttle body) Upshift indicator lamp Upshift lamp control Vehicle control module (above right front wheelhouse) Vehicle speed sens 4.3L (VIN Z), Engine Controls Wiring Diagram, with VCM (2 of 2) for GMC Sonoma 1994 List of elements for 4.3L (VIN Z), Engine Controls Wiring Diagram, with VCM (2 of 2) for GMC Sonoma 1994: 53 (above right front wheelhouse) (front of engine) A/c A/c assy A/c compressor clutch Abs pump feedback Accy Anti-lock control solenoids Brake fuse 15a Brake switch (on brake pedal support) Bulb test Coolant temp sensor Distributor Distributor assembly Egr electronic vacuum regulator solenoid valve (rear of throttle body) Engine coolant tmperature sensor Est Est bypass Fuse block (behind left side of i/p) G114 (rear of left cylinder head) G117 (rear of right cylinder head) Ground Heated oxygen sensor (in y-pipe) Heater and a/c control assembly Hot at all times Hot in run Iac a hi Iac a lo Iac b hi Iac b lo Idle air control valve (top front of engine near a/c compressor) Ignition coil (top rear of engine) Ignition switch Injector a Injector b Instrument cluster (tachometer) Knock sensor Lf iso solenoid Lock Manifold absolute pressure sensor (top right side of engine) Map Nca Off Pick-up coil Pnk Rf iso solenoid Rr iso solenoid Run Start Throttle pos sensor Tp sensor (top left front of engine) Vehicle control module Vehicle speed sensor (left rear of transmission) 4.3L (VIN Z), Engine Controls Wiring Diagram, without VCM (2 of 2) for GMC Sonoma 1994 List of elements for 4.3L (VIN Z), Engine Controls Wiring Diagram, without VCM (2 of 2) for GMC Sonoma 1994: 47 (front of engine) (rear of engine) 1-2 shift sol 2-3 shift sol 3-2 control solenoid 49 states & canada A pnk Accy Brake fuse 15a Bulb test C11 C13 Cali- fornia California Distributor Distributor assembly Egr electronic vacuum regulator solenoid valve (rear of throttle body) Electronic 4 - speed overdrive transmission Engine coolant tmperature sensor Evaporative canister purge solenoid (top left side of engine) Force motor Fuse block (behind left side of i/p) G114 (rear of left cylinder head) G117 (rear of right cylinder head) Heated oxygen sensor (in y-pipe) Hot at all times Hot in run Idle air control valve (top front of engine near a/c compressor) Ignition coil (top rear of engine) Ignition switch Instrument cluster (tachometer) Linear egr solenoid (california only) (top front of engine) Lock Manifold absolute pressure sensor (top right side of engine) Nca Off Pick-up coil Pnk Red Run Start Tcc sol Tcc/brake switch (on brake pedal support) Tp sensor (top left front of engine) Trans range press sw assembly Trans- mission fluid temp sensor Vehicle speed sensor buffer (behind right side of i/p)
EXTERIOR LIGHTS Exterior Light Wiring Diagram for GMC Sonoma 1994 List of elements for Exterior Light Wiring Diagram for GMC Sonoma 1994: 58 (2.2l) (4.3l) (taped to body near junction block) 30a Auxiliary lead Backup lamps Backup lamps switch (on top side of steering column, a/t) (left side of transmission, m/t) Battery junction block (in engine compartment, on left fender) Brake switch (on brake pedal support) C217 C235 Center high mount stoplamp Center high mount stoplamp relay Convenience center (behind left side of i/p) Fuse block: i/p G107 (on right front frame rail, near radiator support) G108 (on radiator support) G109 (on radiator support) G114 (top rear of engine) G115 (lower rear of engine) G117 (rear of right cylinder head) G409 (left rear frame rail) Hazard Hazard flasher Head Headlamp switch assembly Hot at all times Hot in run, bulb test or start Inline fuse (in engine compt., on left fender) Instrument cluster Left backup lamp Left front marker lamp Left front park/ turn lamp Left side marker lamp Left tail/stop/ turn lamp Left turn indicator License lamps Normal Off Park Power distribution center a (behind left side of i/p) Power distribution center b (behind left side of i/p) Red Right backup lamp Right front marker lamp Right front park/ turn lamp Right side marker lamp Right tail/stop/ turn lamp Right turn indicator Stop-haz fuse 20a T/l ctsy fuse 20a Terminates for auxiliary usage Trailer tow Turn b/u fuse 20a Turn left Turn right Turn signal flasher Turn/hazard switch (part of multi-function switch)
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 2) for GMC Sonoma 1994 List of elements for Ground Distribution Wiring Diagram (1 of 2) for GMC Sonoma 1994: 64 (lower rear of engine) (on right radiator support) (rear of left cylinder head) 4wal module 4wal pump motor A12 Battery C111a C112a C211 C211a C213a Egr electronic vacuum regulator solenoid valve Front left park and turn lamp Front right park and turn lamp G108 (on left radiator support) G109 G109 (above right headlamp, on radiator support) G109 (on right front frame rail, near radiator support) G109 (on right radiator support) G110 (left front of engine) G114 (4.3l vin z w/ a/t) and (4.3l hp vin w) G114 (rear of left cylinder head) G115 (4.3l vin z w/ vcm) and (2.2l l4 vin 4) (top rear of engine) G117 G117 (rear of right cylinder head) G119 (lower right front of engine) G121 (center of cowl) G402 (left rear frame rail) G402 (on left frame rail, next to fuel tank) Headlamps system (w/drl) Ignition control module Left backup lamp Left fog lamp Left headlamp Left high beam headlamp Left horn Left license lamp Left low beam headlamp Left marker lamp Left tail/ stop- turn lamp Power steering pressure switch Powertrain control module (pcm) Right backup lamp Right fog lamp Right headlamp Right high beam headlamp Right horn Right license lamp Right low beam headlamp Right marker lamp Right tail/ stop- turn lamp Tan Trailer Vehicle control module (vcm) W/ 2.2l l4 vin 4 W/ 4.3l v6 vin w (manual transmission) W/ 4.3l v6 vin z & vin w (automatic transmission) W/ 4.3l v6 vin z (manual transmission) (w/ vcm) W/ base sealed beam headlamps W/ optional composite headlamps W/o drl Windshield washer pump With a/c only Ground Distribution Wiring Diagram (2 of 2) for GMC Sonoma 1994 List of elements for Ground Distribution Wiring Diagram (2 of 2) for GMC Sonoma 1994: 85 4wd indicator A/c comp- ressor Accessory socket Ash tray lamp Assembly Audio alarm module convenience center Belt Box C10 C231 a C235 c C503 C85 C86 Center high Center high mount stoplamp relay Cigarette lighter assembly Clutch Connector (dlc) Cruise control module D10 D12 D13 Data Daytime running lamps module Daytime running lamps relay convenience center Diode Electric shift transfer case control module Except 2.2l l4 vin 4 engine Except 4.3l vin z w/ vcm Fog lamp switch Fuel G110 (2.2l engine) (left front of engine) G114 (4.3l engines) (rear of left cylinder head) G117 (2.2l engine) (lower rear of engine) G117 (4.3l engines) (rear of right cylinder head) Heater and a/c control lamp Heater and a/c control Heater- a/c blower I/p comp- artment Inside Instrument cluster Lamp Left Left power Left door jamb Left power door lock switch Link Map Mirror lamp Mirror switch Motor Motor relay Mount Nca O/s Outside air control valve motor Oxygen sensor Panel dimmer switch Park/ neutral position switch Power Power distribution center a Power distribution center b Pump relay convenience center Radio Rear view mirror Relay Retractor Right door jamb Right visor vanity Safety switch Solenoid Stop- lamp Switch Under- hood lamp Variable tuning control Vehicle speed sensor buffer module Visor vanity W/ 2.2l engine W/ 4.3l engine W/ 4.3l engines W/ l35 engine, automatic transmission W/ l35 engine, manual transmission Window switch Wiper motor
HEADLIGHTS Headlamps/Fog Lamps Wiring Diagram, DRL with Composite Lamps for GMC Sonoma 1994 List of elements for Headlamps/Fog Lamps Wiring Diagram, DRL with Composite Lamps for GMC Sonoma 1994: 45 Bulb check Daytime running lamp indicator Daytime running lamps module (behind left side of i/p) Daytime running lamps relay (in convenience center) Diode module Drl fuse 10a Fog lamp on indicator Fog lamp relay (behind left side of i/p) Fog lamp switch Fog lamps Fog lps fuse 20a Fuse block G108 (on left radiator support) G109 (on right radiator support) G114 (rear of left cylinder head) Gauges fuse 20a Ground Head Headlamp dimmer switch Headlight switch assembly Hi beam feed Hi beam indicator Hot at all times Hot in run, bulb test or start Ignition Illum lamp Inst lps fuse 5a Instrument cluster Instrument cluster system Lamp feed Left fog lamp Left headlamp assembly Left high beam headlamp Left low beam headlamp Off Output to relay Park Park brake warning switch (at park brake, under left side of i/p) Power distribution center b (behind left side of i/p) Right fog lamp Right headlamp assembly Right high beam headlamp Right low beam headlamp Tan Variable voltage w/ headlight switch in park or head & rheostat adjusted Headlamps/Fog Lamps Wiring Diagram, DRL with Sealed Beam Lamps for GMC Sonoma 1994 List of elements for Headlamps/Fog Lamps Wiring Diagram, DRL with Sealed Beam Lamps for GMC Sonoma 1994: 41 Bulb check Daytime running lamp indicator Daytime running lamps module (behind left side of i/p) Daytime running lamps relay (in convenience center) Diode module Drl fuse 10a Fog lamp on indicator Fog lamp relay (behind left side of i/p) Fog lamp switch Fog lamps Fog lps fuse 20a Fuse block G108 (on left radiator support) G109 (on right radiator support) G114 (rear of left cylinder head) Gauges fuse 20a Ground Head Headlamp dimmer switch Headlight switch assembly Hi beam feed Hi beam indicator Hot at all times Hot in run, bulb test or start Ignition Illum lamp Inst lps fuse 5a Instrument cluster Instrument cluster system Lamp feed Left fog lamp Left headlamp assembly Off Output to relay Park Park brake warning switch (at park brake, under left side of i/p) Power distribution center b (behind left side of i/p) Right fog lamp Right headlamp assembly Tan Variable voltage w/ headlight switch in park or head & rheostat adjusted Headlamps/Fog Lamps Wiring Diagram, with Composite Lamps for GMC Sonoma 1994 List of elements for Headlamps/Fog Lamps Wiring Diagram, with Composite Lamps for GMC Sonoma 1994: 27 Fog lamp on indicator Fog lamp relay (at convenience center) Fog lamp switch Fog lps fuse 20a Fuse block G108 (on left radiator support) G109 (on right radiator support) G114 (rear of left cylinder head) Head Headlamp dimmer switch Headlight switch assembly Hi beam indicator Hot at all times Illum lamp Instr lps fuse 5a Instrument cluster Left fog lamp Left high beam head- lamp Left low beam head- lamp Off Park Power distribution center b (under left side of i/p) Right fog lamp Right high beam head- lamp Right low beam head- lamp Tan Variable voltage w/ headlight switch in park or head & rheostat adjusted Headlamps/Fog Lamps Wiring Diagram, with Sealed Beam Lamps for GMC Sonoma 1994 List of elements for Headlamps/Fog Lamps Wiring Diagram, with Sealed Beam Lamps for GMC Sonoma 1994: 25 Fog lamp on indicator Fog lamp relay (at convenience center) Fog lamp switch Fog lps fuse 20a Fuse block G108 (on left radiator support) G109 (on right radiator support) G114 (rear of left cylinder head) Head Headlamp dimmer switch Headlight switch assembly Hi beam indicator Hot at all times Illum lamp Instr lps fuse 5a Instrument cluster Left fog lamp Left headlamp assembly Off Park Power distribution center b (under left side of i/p) Right fog lamp Right headlamp assembly Tan Variable voltage w/ headlight switch in park or head & rheostat adjusted
HORN Horn Wiring Diagram for GMC Sonoma 1994 List of elements for Horn Wiring Diagram for GMC Sonoma 1994: 15 (on left front (on right Convenience center (behind left side of i/p) Fuse block G100 frame rail, near radiator support) G101 frame rail, near radiator support) G109 radiator support, above headlamp) Horn (on left inside fender, near radiator support) Horn relay Horn switch Horn/dm fuse 20a Hot at all times Pickup Steering wheel Utility
INSTRUMENT CLUSTER
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram, Base for GMC Sonoma 1994 List of elements for Courtesy Lamps Wiring Diagram, Base for GMC Sonoma 1994: 17 C235 C235a Courtesy switch Dome lamp Fuse block G112 (left side of engine) Horn/dm fuse 20a Hot at all times I/p courtesy box lamp Left front door jamb switch Left i/p courtesy lamp Panel dimmer switch Power distribution center b Right front door jamb switch Right i/p courtesy lamp T/l ctsy fuse 20a Underhood lamp Courtesy Lamps Wiring Diagram, with Auxiliary Lighting for GMC Sonoma 1994 List of elements for Courtesy Lamps Wiring Diagram, with Auxiliary Lighting for GMC Sonoma 1994: 23 C235 C235a Courtesy switch Dome lamp Fuse block G112 (left side of engine) Horn/dm fuse 20a Hot at all times Hot in accy or run I/p courtesy box lamp Inside rearview mirror map lamps Left front door jamb switch Left i/p courtesy lamp Left vanity mirror lamp Panel dimmer switch Power distribution center b Radio fuse 10a Right front door jamb switch Right i/p courtesy lamp Right vanity mirror lamp Solid state T/l ctsy fuse 20a Under- hood lamp Instrument Illumination Wiring Diagram for GMC Sonoma 1994 List of elements for Instrument Illumination Wiring Diagram for GMC Sonoma 1994: 28 (7) bulbs Ash tray lamp Audio alarm module C215 C231 C289 Convenience center Dim Fog lamp switch illumination lamp Fuse block G120 (right side of engine) Head Headlight switch assembly Heater & a/c control illumination lamps High Hot at all times I/p lps fuse 5a Instrument cluster Light switch Lights on input Off Panel dimmer switch assembly Park Power distribution center Radio Solid state T/l ctsy fuse 20a Transmission systems (four wheel drive indicator)
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 3) for GMC Sonoma 1994 List of elements for Power Distribution Wiring Diagram (1 of 3) for GMC Sonoma 1994: 63 (ln2 only) 4wal brake module 4wd fuse 20a All except lb4 w/vcm Audio alarm module Battery Blower relay Brake switch C10 Cigarette lighter Convenience center D14 D15 Dome lamp Drl fuse 10a Drl relay Ecm batt fuse 15a Electric shift transfer case module Floor panel tray power receptacles a & b Fog lamp relay Fog lps fuse 20a Fuel pump relay convenience center Fuse block Fusible link (12 ga-rust) Fusible link (12 ga-rust) (lb4 only) Fusible link (14 ga-rust) (lb4, l35 only) Fusible link (16 ga-rust) G112 (left side of engine) Generator Hazard flasher Head Hood lamp Horn dm fuse 20a Horn relay I/p compartment box lamp Junction block Lb4 w/vcm Left i/p courtesy lamp Left power door lock switch Left vanity mirror lamp Light switch assembly Nca Off Oil pressure switch Outside rearview mirror switch Park Power distribution center a Power distribution center b Powertrain control module Pwr acc circuit breaker 30a Pwr aux fuse 25a Radio Rdo batt fuse 15a Rearview mirror map lamp Red Right i/p courtesy lamp Right power door lock switch Right vanity mirror lamp Rwal module Starter solenoid Stop-haz fuse 20a T/l ctsy fuse 20a To ignition switch Power Distribution Wiring Diagram (2 of 3) for GMC Sonoma 1994 List of elements for Power Distribution Wiring Diagram (2 of 3) for GMC Sonoma 1994: 42 20a A/c compressor clutch relay Accy Block Brake fuse 15a Brake switch Bulb test C201 C202 Except ln2 Four wheel antilock brake control module From fusble link Fuse Heater-a/c control switch or heater control switch Htr a/c fuse 25a Ignition Lb4 w/ vcm only Left front power window switch Lock Nca Off Outside air temp door control switch Pnk Power distribution center a Power distribution center b Pulse wiper/ washer switch Pwr wdo circuit breaker 30a Radio Radio fuse Rearview mirror map lamp Red Right front power window switch Run Spare fuse (not used) Start Starting/ charging system Switch Temp door motor Vehicle control module Vehicle speed sensor buffer Wiper fuse 25a Wiper motor and module Power Distribution Wiring Diagram (3 of 3) for GMC Sonoma 1994 List of elements for Power Distribution Wiring Diagram (3 of 3) for GMC Sonoma 1994: 60 (heated) oxygen sensor (interior lights system) (l35) Accy All except l35 (m/t) & lb4 w/vcm All except lb4 w/vcm Audio alarm module Backup lamp switch Bulb test Convience center Cruise control module Cruise control switch Daytime running lamps module Daytime running lamps relay E15 a6 Ecm ign fuse 10a Egr electronic vacuum regulator solenoid valve Electric shift transfer case control module Electric shift transfer case control switch Electric transfer case Evaporative canister purge solenoid F15 Four-wheel drive indicator Four-wheel drive indicator module From Front axle switch Fuel injector Fusible link Gauges fuse 20a Generator I/p lps fuse 5a Ignition switch Instrument cluster printed circuit Interior lights L35 & lb4 (a/t) L35 & lb4 w/nb2 only L35 (a/t) only L35 only L35, ln2 only Lb4 only Lb4 w/vcm only Lb4, l35 only Linear egr solenoid Ln2 & lb4 (m/t) Lock Off Panel dimmer switch assembly Pnk Power distribution center a Powertrain control module Red Run Start Throttle body fuel injector 1 relay Throttle body fuel injector 2 relay Transmission Turn b/u fuse 15a Turn signal flasher Varible tuning control relay Vehicle control module
POWER DOOR LOCKS Power Door Lock Wiring Diagram for GMC Sonoma 1994 List of elements for Power Door Lock Wiring Diagram for GMC Sonoma 1994: 15 (under left side of i/p) C tan Fuse block G117 (rear of right cylinder head) Hot at all times Left front door lock motor Left front door lock switch Lock Power distribution center a Power distribution center a (under left side of i/p) Pwr acc circuit breaker 30a Right front door lock motor Right front door lock switch Tan Unlock
POWER MIRRORS Power Mirror Wiring Diagram for GMC Sonoma 1994 List of elements for Power Mirror Wiring Diagram for GMC Sonoma 1994: 19 a (rear of right cylinder head) Down Fuse block G117 Horn/dm fuse 20a Hot at all times Left Left outside rearview mirror Left/ right mirror motor Mirror select switch Motor Power distribution center a (behind left side of i/p) Power outside rearview mirror switch Right Right outside rearview mirror Up/down mirror m Up/down mirror motor
POWER WINDOWS Power Window Wiring Diagram for GMC Sonoma 1994 List of elements for Power Window Wiring Diagram for GMC Sonoma 1994: 13 Bus bar ground (left side Fuse block (left side of dash) Hot in run Left front power window motor Left front switch Left power window master switch Of dash) Pnk Pwr wdo circuit breaker 30a Right front power window motor Right front switch Right front window switch Tan
RADIO Radio Wiring Diagrams for GMC Sonoma 1994 List of elements for Radio Wiring Diagrams for GMC Sonoma 1994: 26 Antenna Antenna input Bat power Coaxial cable Disp dim signal G115 (rear of engine) Ground Hot at all times Hot in accy or run I/p fuse block Interior lights system Left front speaker Left rear speaker Lt frt spkr Lt rear spkr Panel light Power Radio Radio fuse 15a Rdo-bat fuse 5a Right front speaker Right rear speaker Rt frt spkr Rt rear spkr S216 Tan
STARTING/CHARGING
2.2L 2.2L (VIN 4), Charging Wiring Diagram for GMC Sonoma 1994 List of elements for 2.2L (VIN 4), Charging Wiring Diagram for GMC Sonoma 1994: 30 (closes with low or high voltage; gen fault) (l4 vin4 models) (left side of engine) (v6 vinz&w) (not used) (right front of engine) (l4 vin4) (v6 vin z&w models) Above right Anti-lock brake system Battery C102 Charge indicator (red) Fuse block Fusible link (14 ga-rust) G109 G119 Gauges fuse 20a Generator Headlamp on radiator support Hot in run, bulb test or start Indicators Instrument cluster Lower right front of engine block (vinz&w) Lower right side of engine block (l4 vin4) Red Regulator solid-state Starter solenoid (lower right side of engine, on starter motor) Stator Sw bat Turn on input Volt sense input 2.2L (VIN 4), Starting Wiring Diagram for GMC Sonoma 1994 List of elements for 2.2L (VIN 4), Starting Wiring Diagram for GMC Sonoma 1994: 37 (lower right side of engine) A/t Accy All models except v6 vin w Anti-lock brake system B solenoid contacts Battery Battery junction block (in engine compartment, on center of cowl) Bulb test C201 C202 C229 e Clutch start switch (on clutch Fusible link (12 ga. rust) G109 above right headlamp on radiator support G119 lower right side of engine block (l4 vin4) lower right front of engine block (v6 vinz&w) Generator (right front of engine) (l4 vin4) Hold-in winding Ignition switch L4 vin4 only Left front of engine (v6 vinz&w) Lock M/t Off Pedal lever bracket) Power distri- bution center b (left side of cowl) Pull-in winding Red Red b Run Start Starter motor Starter solenoid Transmission systems (electric shift transfer case) V6 vinz& Vinw W/v6 vin w
4.3L 4.3L (VIN W), Charging Wiring Diagram for GMC Sonoma 1994 List of elements for 4.3L (VIN W), Charging Wiring Diagram for GMC Sonoma 1994: 30 (closes with low or high voltage; gen fault) (l4 vin4 models) (left side of engine) (v6 vinz&w) (not used) (right front of engine) (l4 vin4) (v6 vin z&w models) Above right Anti-lock brake system Battery C102 Charge indicator (red) Fuse block Fusible link (14 ga-rust) G109 G119 Gauges fuse 20a Generator Headlamp on radiator support Hot in run, bulb test or start Indicators Instrument cluster Lower right front of engine block (vinz&w) Lower right side of engine block (l4 vin4) Red Regulator solid-state Starter solenoid (lower right side of engine, on starter motor) Stator Sw bat Turn on input Volt sense input 4.3L (VIN W), Starting Wiring Diagram for GMC Sonoma 1994 List of elements for 4.3L (VIN W), Starting Wiring Diagram for GMC Sonoma 1994: 37 (lower right side of engine) A/t Accy All models except v6 vin w Anti-lock brake system B solenoid contacts Battery Battery junction block (in engine compartment, on center of cowl) Bulb test C201 C202 C229 e Clutch start switch (on clutch Fusible link (12 ga. rust) G109 above right headlamp on radiator support G119 lower right side of engine block (l4 vin4) lower right front of engine block (v6 vinz&w) Generator (right front of engine) (l4 vin4) Hold-in winding Ignition switch L4 vin4 only Left front of engine (v6 vinz&w) Lock M/t Off Pedal lever bracket) Power distri- bution center b (left side of cowl) Pull-in winding Red Red b Run Start Starter motor Starter solenoid Transmission systems (electric shift transfer case) V6 vinz& Vinw W/v6 vin w 4.3L (VIN Z), Charging Wiring Diagram for GMC Sonoma 1994 List of elements for 4.3L (VIN Z), Charging Wiring Diagram for GMC Sonoma 1994: 30 (closes with low or high voltage; gen fault) (l4 vin4 models) (left side of engine) (v6 vinz&w) (not used) (right front of engine) (l4 vin4) (v6 vin z&w models) Above right Anti-lock brake system Battery C102 Charge indicator (red) Fuse block Fusible link (14 ga-rust) G109 G119 Gauges fuse 20a Generator Headlamp on radiator support Hot in run, bulb test or start Indicators Instrument cluster Lower right front of engine block (vinz&w) Lower right side of engine block (l4 vin4) Red Regulator solid-state Starter solenoid (lower right side of engine, on starter motor) Stator Sw bat Turn on input Volt sense input 4.3L (VIN Z), Starting Wiring Diagram for GMC Sonoma 1994 List of elements for 4.3L (VIN Z), Starting Wiring Diagram for GMC Sonoma 1994: 37 (lower right side of engine) A/t Accy All models except v6 vin w Anti-lock brake system B solenoid contacts Battery Battery junction block (in engine compartment, on center of cowl) Bulb test C201 C202 C229 e Clutch start switch (on clutch Fusible link (12 ga. rust) G109 above right headlamp on radiator support G119 lower right side of engine block (l4 vin4) lower right front of engine block (v6 vinz&w) Generator (right front of engine) (l4 vin4) Hold-in winding Ignition switch L4 vin4 only Left front of engine (v6 vinz&w) Lock M/t Off Pedal lever bracket) Power distri- bution center b (left side of cowl) Pull-in winding Red Red b Run Start Starter motor Starter solenoid Transmission systems (electric shift transfer case) V6 vinz& Vinw W/v6 vin w
TRANSMISSION
2.2L 2.2L (VIN 4), Transmission Wiring Diagram, 4L60-E for GMC Sonoma 1994 List of elements for 2.2L (VIN 4), Transmission Wiring Diagram, 4L60-E for GMC Sonoma 1994: 87 "high" "low" (behind i/p, right side of steering column) (behind left side of i/p) (behind right side of i/p) (below i/p, right of steering column) (g114: left rear of cylinder head) (g117: right rear of engine) (left rear of transmission) (left side of cowl, near junction block) (on brake pedal support bracket) (partial) (rear of engine) (top front of engine) (top rear of engine) (vin 4: right side of engine) (vin w: top left side of engine) (vin z & w) (vin 4) 1-2 shift sol 1-2 sol control 2-3 shift sol 2-3 shift sol control 20a 3-2 control solenoid 3-2 sol control A15 A2 a14 B10 Battery feed Brake fuse 15a Brake signal C11 C12 C13 Conn 1 Conn 2 Cruise control module Cruise signal Data link connector Diagnostic test E10 E13 E15 E16 Ecmb fuse 15a Ecmi fuse 10a Ect signal Electronic 4 - speed overdrive transmission Engine coolant temp sensor F10 F12 F13 F14 Force motor G114 g117 Hot at all times Hot in run Hot in run, bulb I/p fuse block Ign/gau fuse Ignition feed Pnk Powertrain control module (pcm) Range signal "a" Range signal "c" Range signal"b" Red Sensor ground Serial data System gnd Tcc sol Tcc sol control Tcc/brake switch Test or start Tft signal Throttle position sensor (vin z: center left side of engine near throttle body) Tp reference Tp signal Trans out speed Trans range press sw assembly Trans- mission fluid temp sensor Vehicle speed sensor Vehicle speed sensor buffer Vehicle speed signal Vin 4 Vin 4 & w Vin z Vin z & w Transfer Case Wiring Diagram for GMC Sonoma 1994 List of elements for Transfer Case Wiring Diagram for GMC Sonoma 1994: 80 (auto trans only) 12v ignition input 2 hi indicator lp output 2 hi select 2-hi ind 2-hi select sw 4 hi indicator lp output 4 hi select 4 lo indicator lp output 4 lo input 4 lo select 4-hi ind 4-hi select sw 4-lo ind 4-lo select sw 4wd 4wd fuse 20 amp 4wheel anti-lock brake controller Aux Battery 12v input C10 C11 C12 C13 C14 C15 C16 C202a C229 C273 C289 C374a Chassis ground D10 D11 D12 D13 D14 D15 D16 Diagnostic Diagnostic connector Elec Electric shift transfer case position switch and motor Electric shift transfer case control module (behind right side of i/p) Encoder channel a Encoder channel b Encoder channel c Encoder channel p Encoder channel-a Encoder channel-b Encoder channel-c Encoder channel-p Encoder ground Front axle switch Fuse block (left rear of i/p) G112 (left rear of of engine, on cylinder head) Gages fuse 20 amp Hot at all times Hot in run, bulb test or start Ignition switch Motor control a Motor control b Motor ground Orn Park neutral or neutral start switch input Park signal input Park/ neutral switch (auto trans only) Pnk Power distribution center a Power distribution center b Power ground Powertrain control module (auto trans only) Red Shift Signal ground Speed sensor T/l ctsy fuse 20 amp Transfer case selector switch Vehicle speed sensor buffer (behind right side of i/p)
4.3L 4.3L (VIN W), Transmission Wiring Diagram, 4L60-E for GMC Sonoma 1994 List of elements for 4.3L (VIN W), Transmission Wiring Diagram, 4L60-E for GMC Sonoma 1994: 87 "high" "low" (behind i/p, right side of steering column) (behind left side of i/p) (behind right side of i/p) (below i/p, right of steering column) (g114: left rear of cylinder head) (g117: right rear of engine) (left rear of transmission) (left side of cowl, near junction block) (on brake pedal support bracket) (partial) (rear of engine) (top front of engine) (top rear of engine) (vin 4: right side of engine) (vin w: top left side of engine) (vin z & w) (vin 4) 1-2 shift sol 1-2 sol control 2-3 shift sol 2-3 shift sol control 20a 3-2 control solenoid 3-2 sol control A15 A2 a14 B10 Battery feed Brake fuse 15a Brake signal C11 C12 C13 Conn 1 Conn 2 Cruise control module Cruise signal Data link connector Diagnostic test E10 E13 E15 E16 Ecmb fuse 15a Ecmi fuse 10a Ect signal Electronic 4 - speed overdrive transmission Engine coolant temp sensor F10 F12 F13 F14 Force motor G114 g117 Hot at all times Hot in run Hot in run, bulb I/p fuse block Ign/gau fuse Ignition feed Pnk Powertrain control module (pcm) Range signal "a" Range signal "c" Range signal"b" Red Sensor ground Serial data System gnd Tcc sol Tcc sol control Tcc/brake switch Test or start Tft signal Throttle position sensor (vin z: center left side of engine near throttle body) Tp reference Tp signal Trans out speed Trans range press sw assembly Trans- mission fluid temp sensor Vehicle speed sensor Vehicle speed sensor buffer Vehicle speed signal Vin 4 Vin 4 & w Vin z Vin z & w 4.3L (VIN Z), Transmission Wiring Diagram, 4L60-E for GMC Sonoma 1994 List of elements for 4.3L (VIN Z), Transmission Wiring Diagram, 4L60-E for GMC Sonoma 1994: 87 "high" "low" (behind i/p, right side of steering column) (behind left side of i/p) (behind right side of i/p) (below i/p, right of steering column) (g114: left rear of cylinder head) (g117: right rear of engine) (left rear of transmission) (left side of cowl, near junction block) (on brake pedal support bracket) (partial) (rear of engine) (top front of engine) (top rear of engine) (vin 4: right side of engine) (vin w: top left side of engine) (vin z & w) (vin 4) 1-2 shift sol 1-2 sol control 2-3 shift sol 2-3 shift sol control 20a 3-2 control solenoid 3-2 sol control A15 A2 a14 B10 Battery feed Brake fuse 15a Brake signal C11 C12 C13 Conn 1 Conn 2 Cruise control module Cruise signal Data link connector Diagnostic test E10 E13 E15 E16 Ecmb fuse 15a Ecmi fuse 10a Ect signal Electronic 4 - speed overdrive transmission Engine coolant temp sensor F10 F12 F13 F14 Force motor G114 g117 Hot at all times Hot in run Hot in run, bulb I/p fuse block Ign/gau fuse Ignition feed Pnk Powertrain control module (pcm) Range signal "a" Range signal "c" Range signal"b" Red Sensor ground Serial data System gnd Tcc sol Tcc sol control Tcc/brake switch Test or start Tft signal Throttle position sensor (vin z: center left side of engine near throttle body) Tp reference Tp signal Trans out speed Trans range press sw assembly Trans- mission fluid temp sensor Vehicle speed sensor Vehicle speed sensor buffer Vehicle speed signal Vin 4 Vin 4 & w Vin z Vin z & w Transfer Case Wiring Diagram for GMC Sonoma 1994 List of elements for Transfer Case Wiring Diagram for GMC Sonoma 1994: 80 (auto trans only) 12v ignition input 2 hi indicator lp output 2 hi select 2-hi ind 2-hi select sw 4 hi indicator lp output 4 hi select 4 lo indicator lp output 4 lo input 4 lo select 4-hi ind 4-hi select sw 4-lo ind 4-lo select sw 4wd 4wd fuse 20 amp 4wheel anti-lock brake controller Aux Battery 12v input C10 C11 C12 C13 C14 C15 C16 C202a C229 C273 C289 C374a Chassis ground D10 D11 D12 D13 D14 D15 D16 Diagnostic Diagnostic connector Elec Electric shift transfer case position switch and motor Electric shift transfer case control module (behind right side of i/p) Encoder channel a Encoder channel b Encoder channel c Encoder channel p Encoder channel-a Encoder channel-b Encoder channel-c Encoder channel-p Encoder ground Front axle switch Fuse block (left rear of i/p) G112 (left rear of of engine, on cylinder head) Gages fuse 20 amp Hot at all times Hot in run, bulb test or start Ignition switch Motor control a Motor control b Motor ground Orn Park neutral or neutral start switch input Park signal input Park/ neutral switch (auto trans only) Pnk Power distribution center a Power distribution center b Power ground Powertrain control module (auto trans only) Red Shift Signal ground Speed sensor T/l ctsy fuse 20 amp Transfer case selector switch Vehicle speed sensor buffer (behind right side of i/p)
WARNING SYSTEMS Warning System Wiring Diagrams for GMC Sonoma 1994 List of elements for Warning System Wiring Diagrams for GMC Sonoma 1994: 23 (under left side of i/p) Audio alarm module (on convenience center) Fasten belts input ground Fasten safety belts indicator Fuse block G117 (right side of engine) Gauges fuse 20a Hot at all times Hot in run, bulb test or start Hot with headlight switch in park or head I/p lps fuse 5a Ignition on input Instrument cluster Key-in warning Key-in warning buzzer switch (on convenience center) Left door jamb switch Lights on input Power distribution center a Power input Safety belt input Safety belt retractor switch (inside driver's safety belt buckle assembly) Stop-hz fuse 15a Tan
WIPER/WASHER Front Wiper/Washer Wiring Diagram for GMC Sonoma 1994 List of elements for Front Wiper/Washer Wiring Diagram for GMC Sonoma 1994: 19 Control area Delay/ speed/ wash control Fuse block Fusible link G108 (on left radiator support) G117 (rear of engine) Hot in accy or run Ign Low Mist Off Park switch Pnk Pulse Wash pulse switch Windshield washer pump (above left wheel well) Windshield wiper motor module (left side of engine compt) Windshield wiper/ washer switch Wiper fuse 25a
