GMC Envoy I (1997-2000) (center of dash) Wiring diagrams

11 13 CLASS II DATA IGN 3 ATC FUSE AUTOMATIC TRANSFER CASE AUTOMATIC TRANSFER CASE CONTROL MODULE (BEHIND CENTER OF DASH) BLK WIRE BLK/WHT WIRE BODY BUSSED ELECTRICAL CENTER (LEFT SIDE OF DASH) BRN WIRE CLASS II SERIAL DATA IGN 3 (RUN) DK GRN WIRE DK GRN/WHT WIRE FRONT DRIVE SHAFT SPEED SENSOR FT SHAFT SPEED SIG FT SHAFT SPEED RTN FUSE 15 GAUGES FUSE 4 GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START I/P FUSE BLOCK (LEFT SIDE OF DASH, IND INSTRUMENT CLUSTER LT BLU WIRE MODULE GND MOTOR/MODULE PWR GND MOTOR FEED (CCW) MOTOR FEED (CW) NCA WIRE ORG/ WIRE PNK WIRE PPL PPL DATA LINK CONNECTOR (PARTIAL) (LEFT SIDE OF DASH) REAR DRIVE SHAFT SPEED SENSOR RED WIRE RR SHAFT SPEED SIG RR SHAFT SPEED RTN SERVICE SHIFT MOTOR SOLID STATE SPLICE PACK TRUCK BODY CONTROL MODULE UNDERHOOD BUSSED ELECTRICAL CENTER (LEFT FRONT FENDER) VEHICLE CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) YEL WIRE

BLK WIRE BLU WIRE BODY BUSSED ELECTRICAL CENTER (BEHIND LEFT SIDE OF DASH) BRN WIRE CENTER HIGH MOUNTED STOP LAMP (CHMSL) 510 OHMS DK DK DK DK LT DK GRN WIRE DK LT FR PRK FUSE 17 FRONT LT TURN FUSE 14 GRN WIRE GRY WIRE HAZ LP FUSE 43 HAZ PWR TURN PWR FLSHR OUT HAZARD NORMAL HEAD HEADLAMP SWITCH HOT AT ALL TIMES HOT IN RUN OR START I/P FUSE BLOCK (LEFT SIDE OF DASH) TURN FUSE 10 I/P FUSE BLOCK (LEFT SIDE OF DASH, L RR PRK FUSE LEFT FRONT PARK/ TURN LAMP LEFT FRONT SIDE MARKER LAMP LEFT REAR LAMP ASSEMBLY LEFT TURN IN LICENSE LAMPS LT BLU WIRE LT INSTRUMENT CLUSTER LT LT LT PNK WIRE NCA WIRE OFF ORG/ WIRE PARK PARK LAMP RELAY PARK LP FUSE 34 PARK RLY CTRL RIGHT TURN IN PARK/ TURN/ STOP LAMPS PNK WIRE PPL PRK LPS FUSE 12 R RR PRK FUSE REAR LT TURN FUSE 15 RIGHT FRONT PARK/ TURN LAMP RIGHT FRONT SIDE MARKER LAMP RIGHT LEFT RIGHT REAR LAMP ASSEMBLY RIGHT TURN IND LEFT TURN IND STOP LP FUSE 40 STOPLAMP SWITCH (ON BRAKE PEDAL SUPPORT BRACKET) TRAILER WIRING PROVISIONS TRL CHMSL FUSE 38 TRL PRK FUSE TRL LT TURN FRONT RT TURN FUSE 13 TRL RT TURN REAR RT TURN FUSE 16 TRUCK BODY CONTROL MODULE (BEHIND CENTER OF DASH) TURN SIGNAL SWITCH (PART OF MULTI- FUNCTION SWITCH) UNDERHOOD BUSSED ELECTRICAL CENTER (TOP OF LEFT FRONT FENDER WALL) VEH CHMSL FUSE 41 WHT WIRE YEL WIRE

4 DOOR AUXILIARY POWER TRAY LEFT AUXILIARY POWER OUTLET LEFT AUXILIARY POWER OUTLET BLK WIRE CENTER HIGH MOUNTED STOP LAMP ENDGATE JAMB SWITCH ENDGATE OR LIFTGATE RELEASE ACTUATOR FUEL LEVEL SENSOR LEFT PARK AND TURN LAMP LEFT REAR DOOR JAMB SWITCH LEFT SEAT MOTOR BREAKOUT) REAR DEFOGGER GRID REAR WIPER/ WASHER PUMP MOTOR RIGHT BACKUP LAMP RIGHT BACKUP LAMP RIGHT LICENSE LAMP RIGHT FRONT MARKER LAMP RIGHT LICENSE LAMP RIGHT OUTSIDE REAR VIEW MIRROR HEATER RIGHT PARK AND TURN LAMP RIGHT REAR DOOR JAMB SWITCH RIGHT SEAT TRAILER WIRING PROVISIONS TRANSFER CASE CONTROL MODULE UTILITY VSS SHIELD W/ ELECTRONIC SHIFT

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

BLK WIRE BRN WIRE ELECTRONIC CLIMATE CONTROL MODULE (UNDER CENTER OF DASH) RR DEFOG GROUND HOT AT ALL TIMES HOT IN RUN HOT IN RUN AND START HTDMIR FUSE HVAC 1 FUSE 21 I/P FUSE BLOCK (ON LEFT SIDE OF DASH) IGN 3 IGN E FUSE 27 LEFT OUTSIDE REAR VIEW MIRROR NCA WIRE ON INPUT PPL REAR DEFOGGER RELAY REAR PUSHBUTTON REAR WINDOW DEFOGGER GRID RIGHT OUTSIDE REAR VIEW MIRROR RR DEFOG FUSE SOLID STATE SPLICE PACK UNDERHOOD ELECTRICAL BUSSED CENTER (UBEC) WHT WIRE

BLK WIRE BRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN AND START HTDMIR FUSE HVAC 1 FUSE 21 HVAC CONTROLLER (UNDER CENTER OF DASH) I/P FUSE BLOCK (ON LEFT SIDE OF DASH) IGN E FUSE 27 ILL LEFT OUTSIDE REAR VIEW MIRROR NCA WIRE ON LED PPL REAR DEFOGGER RELAY REAR PUSHBUTTON REAR WINDOW DEFOGGER GRID RIGHT OUTSIDE REAR VIEW MIRROR RR DEFOG FUSE SPLICE PACK TIMER CIRCUIT UNDERHOOD ELECTRICAL BUSSED CENTER (UBEC) WHT WIRE

1 2 3 4 5 6 PASS HIGH DRIVER HIGH DRIVER LOW PASS LOW DATA LINE GROUND AIR BAG BLK WIRE BLK/WHT WIRE BODY COMPUTER SYSTEM BRN WIRE DK GRN WIRE DK GRN/WHT WIRE GAUGES FUSE 4 GRY WIRE HOT IN RUN OR START HOT W/ PARK LAMPS ON I/P FUSE BLOCK (LEFT SIDE OF DASH, ILLUM FUSE 5 INFLATABLE RESTRAINT I/P MODULE SWITCH (PICKUP ONLY) (LEFT OF RADIO) INFLATABLE RESTRAINT MODULE (RIGHT SIDE OF DASH) INFLATABLE RESTRAINT STEERING WHEEL MODULE AND COIL INSTRUMENT CLUSTER NCA WIRE PICKUP ONLY PNK PNK WIRE PNK TRUCK BODY CONTROL MODULE WIRE PNK WIRE PPL/WHT WIRE SEAT BELT SWITCH SHORT- ING BAR SHORTING (RIGHT FRONT FRAME RAIL) BAR SHORTING BAR SIR FUSE 16 SOLID STATE SPLICE PACK TAN WIRE TAN/BLK WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

18 19 PNK WIRE 9 10 PNK WIRE A/T M/T BLK WIRE BLK/WHT WIRE BRN/WHT WIRE CRUISE CONTROL SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM-B FUSE FUEL LEVEL SENSOR/ FUEL PUMP (FUEL TANL) FUEL PUMP RELAY FUEL PUMP SWITCH/ ENGINE OIL PRESSURE GAUGE SENSOR (NEAR DISTRIBUTOR) FUEL TANK VAPOR PRESSURE SENSOR (FUEL TANK) GAUGE INPUT OIL PRESSURE GRN WIRE GRY WIRE HOT AT ALL TIMES INPUT ODOMETER SPEEDOMETER, INSTRUMENT CLUSTER INTAKE AIR TEMPERATURE SENSOR (IN AIR INTAKE DUCT ASSY) LINEAR EGR VALVE SOL BREAKOUT) LT BLU/WHT WIRE LT GRN WIRE MAF SIG MANIFOLD ABSOLUTE PRESSURE SENSOR (TOP CENTER OF ENGINE) MANUAL TRANS CLUTCH MASS AIR FLOW SENSOR (MAF) (IN AIR INTAKE ASSY) MIL (CHECK ENGINE) INPUT ORG/ WIRE PICK-UP PNK 22 23 WIRE PNK PNK PNK 6 7 8 WIRE PNK PNK WIRE PNK WIRE PPL PPL PPL 1 2 3 4 5 6 7 8 9 10 11 12 13 14 RED WIRE RED/BLK WIRE RTN SPLICE SPLICE PACK 422/423 (LEFT SIDE OF DASH) SWITCH (CLUTCH PEDAL BRACKET) TACHOMETER INPUT TAN WIRE THROTTLE POSITION SENSOR (ON THROTTLE BODY ASSEMBLY) UNDERHOOD BUSSED ELECTRICAL CENTER UTILITY VAPOR VCM BREAKOUT) WHT WIRE YEL WIRE

1676 1020 EGR VALVE HI FUSED IGN FUSED IGN (RUN/START) PNK PNK WIRE 18 19 PNK WIRE 2 PPL/ A/C COMP RELAY CTRL EVAP CANN SOL CTRL A/C REQUEST (HI) PRNDL P SIG IN 776 474 773 A/C REQUEST (LO) PRNDL A SIG IN PRNDL B SIG IN ABS FUSE 22 AIR CONDITIONING SYSTEM ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CLSTR FUSE 11 CRUISE CONTROL SYSTEM CRUISE ENGAGED SIG DISTRIBUTOR (TOP REAR OF ENGINE) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EGR VALVE LO 21 22 379 1694 CPP SW SIG IN 23 24 ELECTRONIC IGNITION CONTROL MODULE (TOP RIGHT SIDE OF ENGINE) EST OUTPUT SIG FUEL PUMP RLY CTRL 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 FUSE 15 FUSED IGN (RUN) SERIAL DATA CLASS II GEN CTRL PRESS CTRL SOL. HI GRN/WHT WIRE GRY WIRE GRY/BLK WIRE HIGH VOLTAGE COIL WIRE HOT IN OFF, RUN OR START HOT IN RUN I/P FUSE BLOCK IGNITION COIL (TOP RIGHT SIDE OF ENGINE) INSTRUMENT CLUSTER SYSTEM LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE M/T ONLY NCA WIRE ORG/ WIRE P/N PNK 22 23 WIRE PNK IGNITION FEED IGN TIMING SIG. TACH. SIG. GROUND WIRE PNK PNK WIRE PNK WIRE POWER B(+) TRANS PRESS SIG-BIT 2 TRANS PRESS SIG-BIT 1 PPL PPL BRAKE SWITCH INPUT SERIAL DATA SIG PPL FUEL LEVEL SIG IN PPL PPL 1 2 3 4 5 6 7 8 9 10 11 12 13 14 PRESS CTRL SOL LO VCM GRD VCM GRD SENSOR GRD 351 351 PRNDL C SIG IN RED WIRE RED/BLK WIRE SPARK PLUGS SPLICE SPLICE PACK 201 (LEFT SIDE OF DASH) STARTING/ CHARGING SYSTEM TRANS PRESS SIG-BIT 3 TRANSMISSION RANGE SWITCH (LEFT SIDE OF TRANSMISSION) TRANSMISSIONS SYSTEM TRUCK BODY CONTROL MODULE (BEHIND DASH, ON HEATER) VEHICLE CONTROL MODULE (VCM) (RIGHT SIDE OF ENGINE COMPT) VSS SIG VSS SIG CHECK ENG LP OUT 389 419 WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE YEL WIRE