Chevrolet Blazer S15 facelift (1998-2005) bare Wiring diagrams

1 2 6 8 16 19 20 21 24 40 42 46 47 48 51 62 63 GND TCC PWM PC SOL HI PC SOL LO 1 8 17 18 19 20 32 33 34 40 53 57 58 59 63 72 74 75 79 80 GND 1-2 SHIFT SOLENOID 2-3 SHIFT SOLENOID 3-2 SHIFT SOLENOID A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH ABS FUSE 22 AUTOMATIC TRANSMISSION BARE BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CLSTR FUSE 11 CRUISE CONTROL, ANTI-LOCK BRAKES SYSTEMS DK BLU WIRE DK GRN WIRE ECM-B FUSE ELECTRONIC BRAKE CONTROL MODULE ENGINE COOLANT TEMPERATURE SENSOR (ON LEFT CYLINDER HEAD, BETWEEN REAR PLUGS) FLUID TEMP SENSOR GAUGES FUSE 4 GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN HOT IN OFF, RUN OR START HOT IN RUN OR START I/P FUSE BLOCK (ON LEFT END OF DASH) INSTRUMENT CLUSTER A/T SHIFT LOCK SOLENOID INSTRUMENT PANEL CLUSTER (IPC) LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MIL (SERVICE ENGINE SOON IND) ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANSMISSION) PNK PNK PNK WIRE PNK PNK UTILITY W/ FLOOR SHIFT WIRE PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) PPL PPL DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) PPL/WHT WIRE PRESS CTRL SOLENOID RED WIRE RED/BLK WIRE REV, LO RUN WIRE SOLID STATE SPLICE PACK STOPLAMP SWITCH (ON BRAKE PEDAL SUPPORT BRACKET) TAN WIRE TAN/BLK WIRE TCC PWM SOLENOID TCC SOLENOID THROTTLE POSITION SENSOR (ON THROTTLE BODY ASSEMBLY) UNDERHOOD FUSE BLOCK (ON TOP OF LEFT FRONT FENDER) ECM I FUSE VEHICLE SPEED SENSOR (RIGHT REAR OF TRANS) VSS ADAPTER WHT WIRE YEL WIRE YEL/BLK WIRE

1 2 6 8 16 19 20 21 24 40 42 46 47 48 51 62 63 GND TCC PWM PC SOL HI PC SOL LO 1 8 17 18 19 20 32 33 34 40 53 57 58 59 63 72 74 75 79 80 GND 1-2 SHIFT SOLENOID 2-3 SHIFT SOLENOID 3-2 SHIFT SOLENOID A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH ABS FUSE 22 AUTOMATIC TRANSMISSION BARE BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CLSTR FUSE 11 CRUISE CONTROL, ANTI-LOCK BRAKES SYSTEMS DK BLU WIRE DK GRN WIRE ECM-B FUSE ELECTRONIC BRAKE CONTROL MODULE ENGINE COOLANT TEMPERATURE SENSOR (ON LEFT CYLINDER HEAD, BETWEEN REAR PLUGS) FLUID TEMP SENSOR GAUGES FUSE 4 GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN HOT IN OFF, RUN OR START HOT IN RUN OR START I/P FUSE BLOCK (ON LEFT END OF DASH) INSTRUMENT CLUSTER A/T SHIFT LOCK SOLENOID INSTRUMENT PANEL CLUSTER (IPC) LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MIL (SERVICE ENGINE SOON IND) ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANSMISSION) PNK PNK PNK WIRE PNK PNK UTILITY W/ FLOOR SHIFT WIRE PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) PPL PPL DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) PPL/WHT WIRE PRESS CTRL SOLENOID RED WIRE RED/BLK WIRE REV, LO RUN WIRE SOLID STATE SPLICE PACK STOPLAMP SWITCH (ON BRAKE PEDAL SUPPORT BRACKET) TAN WIRE TAN/BLK WIRE TCC PWM SOLENOID TCC SOLENOID THROTTLE POSITION SENSOR (ON THROTTLE BODY ASSEMBLY) UNDERHOOD FUSE BLOCK (ON TOP OF LEFT FRONT FENDER) ECM I FUSE VEHICLE SPEED SENSOR (RIGHT REAR OF TRANS) VSS ADAPTER WHT WIRE YEL WIRE YEL/BLK WIRE

2-SPEED PUSH BUTTON CONTROL 2.2L 4.3L ABS FUSE 22 ANTILOCK BRAKE SYSTEM BARE BARE (NEAR TOP RIGHT REAR OF TRANSMISSION) BLK WIRE BLK/WHT WIRE BODY COMPUTER SYSTEM BODY RELAY BLOCK (BEHIND LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE CRUISE CONTROL MODULE (ON LEFT SIDE OF FIREWALL) CRUISE FUSE 3 CRUISE STATUS CRUISE STATUS VEHICLE SPEED INPUT DK BLU WIRE DK GRN/WHT WIRE GRY WIRE GRY/BLK WIRE HOT IN RUN I/P FUSE BLOCK (LEFT END OF DASH) INSTRUMENT CLUSTER SYSTEM LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE M/T A/T MULTIFUNCTION SWITCH OFF OFF ON POWERTRAIN CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) PPL PPL PPL PPL/WHT WIRE R/A SET SW STOPLAMP SWITCH (BRAKE PEDAL SUPPORT BRACKET) UNDERHOOD FUSE BLOCK (ON TOP OF LEFT FRONT INNER WHEELWELL) VEHICLE SPEED SENSOR (VSS) (ON REAR OF TRANSMISSION) VSS VSS HIGH VSS LOW WHT WIRE

2.2L: ENG HARN, 25 CM FROM BREAKOUT TO PCM) 20 CM FROM AIR PUMP CONNECTOR) 4.3L 4.3L 4.3L 4.3L A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH DIODE A/T AMBIENT TEMPERATURE SENSOR (W/ OVERHEAD CONSOLE) BANK 1 SENSOR 2 BARE BARE 2.2L 4.3L BARE BARE BATTERY BLK WIRE BLK/WHT WIRE BODY RELAY BLOCK BRN WIRE CRUISE CONTROL MODULE DATA LINK CONNECTOR (DLC) DAYTIME RUNNING LAMPS (DRL) RELAY DIAGNOSTIC MODULE DRIVER INFORMATION CENTER (DIC) (UTILITY) ELECTRONIC BRAKE CONTROL MODULE FUEL PUMP RELAY HEADLAMP POWER RELAY HEATED OXYGEN SENSOR IGNITION CONTROL MODULE POWERTRAIN CONTROL MODULE (PCM) INFLATABLE RESTRAINT SENSING INSTRUMENT PANEL CLUSTER IPC LEFT FRONT FOG LAMP SIGNAL LAMP LEFT FRONT PARK/ TURN LEFT HORN M/T NCA WIRE POWERTRAIN CONTROL MODULE (PCM) REAR WINDOW WASHER PUMP MOTOR BRAKE FLUID LEVEL SWITCH REMOTE CONTROL DOOR LOCK RECEIVER RIGHT FRONT FOG LAMP RIGHT FRONT PARK/ TURN RIGHT HORN SECONDARY AIR INJECTION REACTOR (AIR) PUMP SIGNAL LAMP STARTER RELAY UNDERHOOD FUSE BLOCK UTILITY 4.3L VEHICLE SPEED SENSOR (VSS) SHIELD VEHICLE SPEED SENSOR SHIELD 4.3L A/T W/ A/C W/ A/C 4.3L W/ RKE WHT WIRE WINDSHIELD WASHER FLUID PUMP

AIR TEMPERATURE ACTUATOR ASHTRAY LAMP AUTOMATIC TRANSMISSION SHIFT LEVEL POSITION INDICATOR LAMP AUTOMATIC TRANSMISSION SHIFT LOCK ACTUATOR BARE BARE BARE BLK WIRE BLOWER MOTOR RELAY (MAN A/C) BLOWER MOTOR (MAN A/C) BODY CONTROL MODULE BODY RELAY BLOCK CIGAR LIGHTER COURTESY LAMP RELAY HEADLAMP GROUND RELAY CREW CAB ONLY DATA LINK CONNECTOR (DLC) DOOR LOCK RELAY DOOR UNLOCK RELAY DRIVER DOOR JAMB SWITCH DRIVER DOOR UNLOCK RELAY ENDGATE/ LIFTGATE WINDOW RELEASE SWITCH EX 4 DOOR UTILITY W/ LIFTGATE FOG LAMP SWITCH FROM FRONT PASSENGER DOOR JAMB SWITCH FUEL PUMP/ SENDER HEADLAMP SWITCH HVAC CONTROL ASSEMBLY IGNITION KEY ALARM SWITCH INFLATABLE RESTRAINT I/P MODULE DISABLE SWITCH INFLATABLE RESTRAINT STEERING WHEEL MODULE INSTRUMENT PANEL CLUSTER (IPC) LEFT LICENSE LAMP LEFT REAR MARKER LAMP LEFT REAR PARK/TURN SIGNAL LAMP (FLEETSIDE) LEFT BACK-UP LAMP LEFT STEERING WHEEL CONTROL SWITCH NCA WIRE PARK SWITCH PICKUP PICKUP, UTILITY W/O AUTO A/C RADIO REAR WIPER/ WASHER SWITCH RIGHT BACK-UP LAMP RIGHT LICENSE LAMP RIGHT REAR PARK/TURN SIGNAL LAMP (FLEETSIDE) RIGHT LICENSE LAMP RIGHT STEERING WHEEL CONTROL SWITCH DRIVER SEAT BELT SWITCH SPLICE PACK) DRIVER DOOR HANDLE SWITCH SPORTSIDE PICKUP TAN WIRE TOW/ HAUL SWITCH TRAILER WIRING PROVISION TRANSFER CASE FRONT PROPSHAFT SPEED SENSOR SHIELD TRANSFER CASE SHIFT CONTROL SWITCH UTILITY UTILITY W/ RADIO CONTROLS PICKUP UTILITY W/O RADIO CONTROLS W/ COLUMN SHIFT W/ FLOOR SHIFT W/ COLUMN SHIFT WHT WIRE WINDSHIELD WIPER MOTOR

2.2L 20 21 VSS LOW VSS HIGH 4.3L 46 10 17 MIL IND TACH OUT VSS OUT 54 29 69 72 73 63 ECT SENSOR IN PRNDL A PRNDL B PRNDL C PRNDL P VSS HIGH BARE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE BRN WIRE BRN/WHT WIRE CRUISE CONTROL SYSTEM DK GRN WIRE DK GRN/ WHT WIRE DK GRN/WHT WIRE ECT SENSR GRD ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR (IN COOLANT PIPING, FRONT OF ENGINE, ENGINE COOLANT TEMPERATURE SENSOR (IN COOLANT PIPING, ON FRONT OF ENGINE) FUEL LEVEL SENS GRD FUEL PUMP/ SENDER (TOP OF FUEL TANK) FUEL PUMP/ SENSDER (TOP OF FUEL TANK) GRY WIRE LT GRN WIRE LT GRN/BLK WIRE MIL IND CTRL SERIAL DATA VSS SIG OUT ORG/BLK WIRE PARK/NEUTRAL POSITION, BACK-UP LAMP SWITCH (LEFT SIDE OF TRANSMISSION) POWERTRAIN CONTROL MODULE (2.2L ONLY) (RIGHT FRONT OF ENGINE COMPT) POWERTRAIN CONTROL MODULE (4.3L ONLY) (RIGHT FRONT OF ENGINE COMPT) PPL PPL (ENGINE HARN, NEAR BREAKOUT TO POWERTRAIN CONTROL MODULE) PPL FUEL LEVEL SIG IN PPL FUEL LVL IN PPL/WHT WIRE PRNDL C SIG PRNDL P SIG SERIAL DATA SPLICE SPLICE PACK TACH OUT TRANSMISSION VEHICLE SPEED SENSOR (RIGHT REAR OF VEHICLE SPEED SENSOR (RIGHT REAR OF TRANSMISSION) VSS LOW VSS SIG OUT WHT DK GRN/ WIRE WHT WIRE YEL WIRE