GMC Envoy I (1997-2000) 4.3l Wiring diagrams

2.2L 4.3L ABS MAXI- FUSE ANTI-LOCK INDICATOR BLK WIRE BLK/WHT WIRE BRAKE PRESSURE WARNING SWITCH (RIGHT END OF EBCM) BRAKE SW BRAKE WARNING INDICATOR BRN WIRE DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (LEFT FRONT INNER FENDER) FRONT AXLE SWITCH (ON FRONT AXLE) FUSE 15 GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN ABS FUSE 22 I/C LOGIC I/P FUSE BLOCK IGN INSTRUMENT CLUSTER LEFT FRONT WHEEL SPEED SENSOR LFT FRT SENSOR (-) LT BLU WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE POWERTRAIN CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) PPL PPL BRAKE SW INPUT PPL PPL PPL/WHT WIRE PUMP MOTOR POWER GROUND RDO BATT FUSE 19 RED WIRE RIGHT FRONT WHEEL SPEED SENSOR RT FRT SENSOR (-) LFT FRT SENSOR (+) RT FRT SENSOR (+) SERIAL DATA LINE BRAKE LAMP CONTROL EBCM GROUND PPL SPLICE PACK STOP LAMP SWITCH (ON BRAKE PEDAL SUPPORT BRACKET) TAN WIRE UNDERHOOD BUSSED ELECTRICAL CENTER VEHICLE CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) VEHICLE SPEED SENSOR (ON TRANSMISSION) VOLTAGE REG VSS VSS INPUT YEL WIRE YEL/BLK WIRE

2.2L 4.3L BLK WIRE BLK/WHT WIRE CIGAR LTR FUSE 2 DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC CLIMATE CONTROL (ECC) MODULE (W/ AUTO A/C) GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (ON LEFT SIDE OF DASH) INSTRUMENT CLUSTER LT BLU WIRE LT GRN WIRE OR TRIP SHORT CONSOLE (BRAVADA ONLY) TRIP CONSOLE ORG/ WIRE POWERTRAIN CONTROL MODULE (2.2L ONLY) (ON RIGHT FRONT OF ENGINE COMPARTMENT) PPL PPL 2 1 TAN WIRE TRUCK BODY CONTROL MODULE (BEHIND DASH, MOUNTED ON HEATER) UNDERHOOD BUSSED ELECTRICAL CENTER (UBEC) (ON TOP OF LEFT FENDER WELL) VEHICLE CONTROL MODULE (4.3L ONLY) (ON RIGHT FRONT OF ENGINE COMPARTMENT) WHT WIRE YEL WIRE

2.2L 4.3L A/T M/T ABS FUSE 20 BLK WIRE BLK/WHT WIRE BLU WIRE BRAKE FUSE 12 BRN WIRE BRN/WHT (OR PPL) WIRE BRN/WHT WIRE CLUTCH PEDAL POSITION SWITCH (CLUTCH PEDAL SUPPORT) CRUISE CONTROL MODULE CRUISE STATUS CRUISE STATUS VEHICLE SPEED INPUT CRUISE SWITCH DK BLU WIRE DK GRN/WHT WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN I/P FUSE BLOCK LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE M/T NCA WIRE OFF OFF ON ORG/ WIRE POWERTRAIN CONTROL MODULE (RIGHT SIDE OF ENGINE COMPT) PPL PPL A/T PPL/WHT WIRE R/A SET SW STOP LP FUSE 40 STOPLAMP SWITCH (BRAKE PEDAL SUPPORT) UNDERHOOD BUSSED ELECTRICAL CENTER VEHICLE CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) VEHICLE SPEED SENSOR (VSS) VSS VSS RETURN VSS SIGNAL WHT WIRE

19 13 ECT SENS GRD FUEL LEVEL SIG IN PPL 2.2L 26 28 32 31 4 PRNDL P SIG PRNDL C SIG PRNDL B SIG PRNDL A SIG ECT SENSOR IN 29 30 VSS LOW VSS HIGH 4.3L 46 10 17 MIL IND TACH OUT VSS OUT 5 11 3 MIL IND CTRL SERIAL DATA VSS SIG OUT 54 29 69 72 73 63 ECT SENSOR IN PRNDL A PRNDL B PRNDL C PRNDL P VSS HIGH BEHIND TRANSMISSION CROSSMEMBER) BLK WIRE BLK/WHT (OR BLK) WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CROSSMEMBER, NEAR LEFT FRAME RAIL) DK GRN WIRE DK GRN/ WHT WIRE DK GRN/WHT WIRE ECT SENS SIG IN ECT SENSR GRD ENGINE COOLANT TEMPERATURE SENSOR (FRONT OF ENGINE, IN COOLANT PIPING) ENGINE COOLANT TEMPERATURE SENSOR (FRONT OF ENGINE, NEAR THERMOSTAT HOUSING) FUEL LEVEL SENSOR W/ FUEL PUMP (TOP OF FUEL TANK) GRY WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/BLK WIRE PICKUP POWERTRAIN CONTROL MODULE (2.2L ONLY) (RIGHT SIDE OF ENGINE COMPT) PPL PPL 55 6 FUEL LVL IN FUEL LEVEL SENS GRD PPL/WHT WIRE REAR CROSSMEMBER) SERIAL DATA SPLICE SPLICE PACK TACH OUT TRANSFER CASE) TRANSMISSION RANGE SWITCH (LEFT SIDE OF TRANSMISSION) UTILITY VEHICLE CONTROL MODULE (4.3L ONLY) (RIGHT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR VEHICLE SPEED SENSOR (RIGHT REAR SIDE OF TRANSMISSION) VSS LOW VSS SIG OUT WHT DK GRN/ WIRE WHT WIRE YEL WIRE

4.3L BATTERY BATTERY MEGA FUSE BLK WIRE BRN WIRE CAMSHAFT POSITION SENSOR (4.3L) CENTRAL SEQUENTIAL FUEL INJECTION (4.3L) CRANKSHAFT POSITION SENSOR ECM 1 FUSE 15 ELECTRONIC IGNITION CONTROL MODULE ENG 1 FUSE EVAPORATIVE EMISSION CANISTER PURGE SOLENOID VALVE EVAPORATIVE EMISSION CANISTER VENT SOLENOID VALVE MASS AIR FLOW SENSOR (4.3L) FROM ECM 1 FUSE DIAGRAM 1 OF 5) FUEL INJECTORS FUSIBLE LINK GAUGES FUSE 4 GENERATOR HAZARD SWITCH (SPORT SIDE PICKUP) I/P FUSE BLOCK IGN A FUSE TO ENG 1 FUSE (DIAGRAM 1 OF 5) IGNITION COIL IGNITION SWITCH LEFT FRONT HEATED OXYGEN SENSOR (4.3L) LOCK OFF OXYGEN FUSE PICKUP PNK PNK WIRE PNK WIRE POST CONVERTER HEATED OXYGEN SENSOR (4.3L) POWERTRAIN CONTROL MODULE (2.2L) RED WIRE RIGHT FRONT HEATED OXYGEN SENSOR (4.3L) RUN WIRE SIR FUSE 16 STARTER TO B/U LP FUSE (DIAGRAM 2 OF 5) TO IGN C FUSE (DIAGRAM 2 OF 5) TRUCK BODY CONTROL MODULE INSTRUMENT CLUSTER TURN FUSE 10 UNDERHOOD BUSSED ELECTRICAL CENTER UNDERHOOD BUSSED ELECTRICAL CENTER STARTER RELAY VEHICLE CONTROL MODULE (4.3L) YEL WIRE

2.2L 4 DOOR 4.3L AM/FM STEREO RADIO AM/FM STEREO RADIO (W/ ATC CD) AUX PWR FUSE 13 AUXILIARY POWER TRAY BLK WIRE BODY BUSSED ELECTRICAL CENTER (LEFT SIDE OF DASH) CARGO LAMP (UTILITY) CIGAR LIGHTER CIGAR LTR FUSE 2 CTSY LP FUSE 8 DATA LINK CONNECTOR DOME AND CENTER MOUNTED STOP LAMP DOME LAMP DOME LAMP (W/O SUNROOF) TRIP COMPUTER UNIVERSAL GARAGE DOOR OPENER DOOR UNLOCK RELAY DOOR LOCK RELAY LEFT DOOR UNLOCK RELAY ELECTRONIC CLIMATE CONTROL MODULE ENDGATE LOCK CYLINDER (UTILITY) EXCEPT BRAVADA FOG LP FUSE FROM ABS FUSE (DIAGRAM 2 OF 5) FROM INT BAT FUSE (DIAGRAM 3 OF 5) FUEL PUMP RELAY ECM B FUSE FUEL PUMP SWITCH AND ENGINE OIL PRESSURE GAUGE SENSOR HDLP SW FUSE 1 HEADLAMP GROUNDING RELAY FOG LAMP RELAY HEADLAMP SWITCH HEADLAMP SWITCH BREAKOUT) I/P FUSE BLOCK INADVERTENT POWER LAMP RELAY INSTRUMENT CLUSTER INT BAT FUSE LEFT AUXILIARY POWER OUTLET LEFT DOOR LOCK AND WINDOW SWITCH LEFT FRONT CONSOLE COURTESY LAMP LEFT SEAT LEFT SEAT ADJUSTER SWITCH LEFT SEAT BACK LUMBAR SUPPORT SWITCH LIFTGATE OR ENDGATE LIFTGLASS RELAY MIR/LCKS FUSE 7 ORG/ WIRE OUTSIDE REAR VIEW MIRROR SWITCH PICKUP POWER SEATS CIRCUIT BREAKER POWERTRAIN CONTROL MODULE PWR LCKS FUSE 14 (NOT USED) RAP MAXI FUSE RDO BAT FUSE 19 RED WIRE RIGHT AUXILIARY POWER OUTLET RIGHT DOOR LOCK AND WINDOW SWITCH RIGHT FRONT CONSOLE COURTESY LAMP RIGHT SEAT BACK LUMBAR SUPPORT RIGHT SEATBACK LUMBAR SUPPORT SWITCH TO ECM B FUSE (DIAGRAM 3 OF 5) TO PWR LCKS FUSE 14 (DIAGRAM 3 OF 5) TO RAP RELAY (DIAGRAM 5 OF 5) TO TBC FUSE (DIAGRAM 4 OF 5) TRANSFER CASE CONTROL MODULE (W/ ELECTRIC TRIP SHORT CONSOLE OR TRIP CONSOLE UNDERHOOD BUSSED ELECTRICAL CENTER UTILITY UTILITY W/O TRIP CONSOLE VEHICLE CONTROL MODULE

2.2L 4.3L A/C COMPRESSOR CLUTCH RELAY A/C FUSE ATC FUSE AUTOMATIC TRANSMISSION CONTROLS (W/ FLOOR SHIFT) AUTOMATIC TRANSMISSION BLK WIRE BLU WIRE CENTER HIGH MOUNTED STOP LAMP RELAY (PICKUP) CENTER HIGH MOUNTED STOP- LAMP RESISTOR CHMSL BREAKOUT) LT CHMSL/ CARGO LAMP CLSTR FUSE 11 CRANK FUSE CRUISE CONTROL MODULE DAYTIME RUNNING LIGHTS RELAY DK DK DOME AND CENTER HIGH MOUNTED STOPLAMP ESTC FROM ATC FUSE (DIAGRAM 4 OF 5) FROM ECM B FUSE (DIAGRAM 3 OF 5) FROM IGNITION SWITCH GRN WIRE HAZARD SWITCH (UTILITY) HEADLAMP POWER RELAY HORN FUSE HORN RELAY HORN SWITCH HTD/SEAT FUSE HTDMIR FUSE RR DEFOG FUSE I/P FUSE BLOCK INSTRUMENT CLUSTER LEFT HEADLAMP LOW BEAM BULB RIGHT HEADLAMP LOW BEAM BULB LEFT HEATED SEAT (UTILITY) LEFT HORN HIGH A NOTE RIGHT HORN LOW F NOTE LEFT OUTSIDE REARVIEW MIRROR REAR WINDOW DEFOGGER GRID LT BLU WIRE LT HDLP FUSE RT HDLP FUSE NCA WIRE ORG/ WIRE PICKUP PNK A/C PRESSURE SENSOR BREAKOUT) WIRE PNK BLOWER MOTOR BREAKOUT) WIRE PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE AUTOMATIC TRANSMISSION PPL PPL PPL REAR DEFOGGER RELAY REAR WINDOW WIPER MOTOR RIGHT HEADLAMP HIGH BEAM BULB RIGHT HEATED SEAT (UTILITY) RIGHT OUTSIDE REARVIEW MIRROR RR W/W FUSE 39 STOP LAMP SWITCH STOP/LP FUSE SWITCH TBC FUSE TO A/C FUSE (DIAGRAM 4 OF 5) TRAILER WIRING PROVISIONS TRANSFER CASE CONTROL MODULE TRANSFER CASE CONTROL MODULE ASSEMBLY MANUAL TRANSMISSION CLUTCH TRANSMISSION RANGE SWITCH (A/T) TRCHMSL FUSE TRUCK BODY CONTROL MODULE TRUCK BODY CONTROL MODULE UNDERHOOD BUSSED ELECTRICAL CENTER UTILITY VECHMSL FUSE VEHICLE CONTROL MODULE W/ ESTC WHT WIRE YEL WIRE