Chevrolet Blazer S15 facelift (1998-2005) lt blu/wht 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

AMBIENT LIGHT SENSOR (ON TOP LEFT SIDE OF DASH) ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM REMOTE KEYLESS ENTRY CIRCUIT BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (UNDER DASH, ON HEATER CASE) BRN WIRE COURTESY LAMP SW SIG FLASH-TO-PASS SW SIG CRUISE FUSE 3 DK BLU WIRE DK BLU/WHT WIRE DK GRN/WHT WIRE DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DRL RELAY CTRL CLASS 2 SERIAL DATA SIGNAL GROUND IGNITION 1 VOLTAGE EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR PARK LAMPS SUPPLY VOLTAGE GAUGES FUSE 4 GMCM SERIAL DATA GROUND BATTERY POSITIVE VOLTAGE DOOR UNLOCK CTRL DOOR LOCK CTRL GRY WIRE GRY/BLK WIRE HEADLAMP HI BEAM RELAY CTRL HLP DIMMER SW HI BEAM SIG HEADLAMP OFF SIG HEADLAMP RELAY COIL SUPPLY VOLTAGE LED DIMMING SIGNAL VEHICLE SPEED SENSOR SIG HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM COMPUTER DATA LINES SYSTEM HEADLIGHTS SYSTEM INTERIOR LIGHTS SYSTEM ENGINE CONTROLS SYSTEM HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START HOT WITH HEADLAMP SWITCH IN HEAD OR PARK I/P FUSE BLOCK (LEFT END OF DASH) I/P LAMP FUSE SUPPLY VOLTAGE AMBIENT LIGHT SENSOR SIG IGNITION KEY ALARM SWITCH (PART OF IGNITION SWITCH) INSTRUMENT CLUSTER SYSTEM INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM LEFT FRONT TURN SW SIG RIGHT FRONT TURN SW SIG LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/BLK WIRE PARK BRAKE SWITCH (AT BASE OF PARK BRAKE ASSEMBLY) PARK LP FUSE 5 PNK WIRE PNK/BLK WIRE POWER DISTRI- BUTION SYSTEM (W/ REMOTE KEYLESS ENTRY) POWER DISTRIBUTION SYSTEM (RAP) INTERIOR LIGHTS SYSTEM HORNS SYSTEM PPL PPL/WHT WIRE RAP RELAY COIL CTRL INTERIOR LAMP RELAY COIL CTRL HORN RELAY CTRL RED/WHT WIRE SECURITY SYSTEM SENSOR SIG SPLICE TAN WIRE TBC FUSE (ON TOP OF LEFT FRONT INNER WHEELWELL) UNDERHOOD FUSE BLOCK WARNING SYTEMS TRANSMISSION SYSTEM WHT WIRE YEL WIRE

7 8 9 10 11 12 FUSED IGN GROUND VSS IN AIR TEMP INT LITE DIM PARKLAMPS AIR BAG IND ANTI-LOCK IND BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (UNDER DASH, ON HEATER CASE) BODY RELAY BLOCK (BEHIND LEFT SIDE OF DASH, NEAR I/P FUSE BLOCK) BRAKE IND BRN WIRE BRN/WHT WIRE CHARGE IND CHECK GAUGES IND CLR IC LOGIC CLSTR FUSE 11 COOLANT TEMPERATURE CRUISE FUSE 3 CTSY LAMP FUSE 8 DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER INFORMATION CENTER MODULE (IN FRONT OVERHEAD CONSOLE) ENG SPD VSS IGN 3 SERIAL DATA EXTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM FUEL FUSED BATT SERIAL DATA GAUGES FUSE 4 GRN WIRE GROUND PARK SW BATT GRY WIRE HIGH BEAM IND HOT AT ALL TIMES HOT IN ACCY, RUN OR RAP HOT IN RUN HOT IN RUN OR START HOT IN RUN, BULB TEST OR START HOT W/HEADLAMP SW IN PARK OR HEAD I/P FUSE BLOCK (LEFT END OF DASH) IGN 1 OFF/RUN ILLUM FUSE 12 ILLUMINATION (6 BULB) INSTRUMENT CLUSTER LEFT TURN LOW FUEL LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MIL (SERVICE ENGINE SOON IND) ODOMETER DISPLAY OIL ORG/ WIRE ORG/BLK WIRE OVER SPEED ALARM IND P R N D 3 2 1 PARK SWITCH (IN STEERING COLUMN) PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL/WHT WIRE RDO BATT FUSE 19 RDO IGN FUSE 24 RED WIRE RIGHT TURN SEAT BELT IND SECURITY IND SERVICE SPARE SPEEDOMETER SPLICE SPLICE PACK TACHOMETER TAIL GATE ALARM IND TAN/WHT WIRE TRANSFER CASE SHIFT CONTROL MODULE (BEHIND RIGHT FRONT KICK PANEL) TRIP RESET UPSHIFT IND VOLT W/ TRIP COMPUTER WHT WIRE YEL WIRE

1-2 SHIFT SOL 2-3 SHIFT SOL 29 30 31 PNK WIRE 3-2 SHIFT SOL AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CENTRAL SEQUENTIAL FUEL INJECTION DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM I FUSE ENG-I FUSE EVAPORATIVE EMISSION CANISTER PURGE SOLENOID (TOP RIGHT CENTER OF ENGINE) EVAPORATIVE EMISSION CANISTER VENT SOLENOID (REAR OF FUEL TANK) FUEL INJ 1 FUEL INJ 4 FUEL INJ 2 FUEL INJ 5 FUEL INJ 3 FUEL INJ 6 GRY WIRE HOT IN RUN OR START LO SW SW LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE OXYGEN FUSE PNK 25 26 27 28 WIRE PNK 7 8 WIRE PNK PNK PNK 1 2 3 4 5 6 WIRE PNK WIRE PNK/BLK WIRE PPL LT PRESSURE CONTROL SOLENOID VALVE RED WIRE RED/BLK WIRE REV SW AUTOMATIC TRANSMISSION FLUID PRESSURE MANUAL VALVE POSITION SWITCH SW SW TAN WIRE TAN/BLK WIRE TCC PWM SOL TCC SOL TRANSMISSION FLUID TEMPERATURE SENSOR UNDER- HOOD FUSE BLOCK WHT WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (UNDER DASH, ON HEATER CASE) BRN WIRE BRN/WHT WIRE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM-B FUSE ENG SPD FUEL PUMP PRIME CONNECTOR FUEL PUMP RELAY FUEL PUMP, SENDER ASSEMBLY (ON TOP OF FUEL TANK) FUEL TANK PRESSURE SENSOR (TOP OF FUEL TANK) GRY WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM INTAKE AIR TEMPERATURE SENSOR (IN FRESH AIR INTAKE DUCT) LT BLU/WHT WIRE LT GRN WIRE MAF SIG MANIFOLD ABSOLUTE PRESSURE SENSOR (TOP CENTER OF ENGINE) MASS AIRFLOW SENSOR (MAF) (ON AIR INTAKE ASSY) MIL INPUT ORG/ WIRE PICK-UP PNK 25 26 27 28 WIRE PNK PNK PNK 1 2 3 4 5 6 WIRE PNK PNK WIRE PNK WIRE PPL RED WIRE RED/BLK WIRE SPLICE PACK 201 (LEFT SIDE OF DASH) TAN WIRE TAN/BLK WIRE THROTTLE POSITION SENSOR (ON THROTTLE BODY ASSEMBLY) UNDERHOOD FUSE BLOCK UTILITY WHT WIRE YEL WIRE YEL/BLK WIRE

12 V REF GROUND 225 1694 TRANSMISSION SYSTEM A/C SYSTEM ANTI-LOCK BRAKE SYSTEM AXLE SW VSS LOW VSS HI BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CHARGING SYSTEM CRUISE CONTROL SYSTEM CRUISE ENG DISTRIBUTOR (TOP REAR OF ENGINE) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC IGNITION CONTROL MODULE (TOP RIGHT SIDE OF ENGINE) EVAP PURGE EVAP VENT MIL 2-3 SHIFT 1-2 SHIFT VSS VSS TFT SENSOR GEN F IAC B HI IAC B LO IAC A LO IAC A HI GEN T/O AXLE SW A/C REQ GRN WIRE GRY WIRE GRY/BLK WIRE HIGH VOLTAGE COIL WIRE IDLE AIR CONTROL VALVE (ON THROTTLE BODY ASSEMBLY) IGNITION COIL (RIGHT SIDE OF ENGINE) LOW REF LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE LT PPL MAF SIG MAP SIG NCA WIRE PC SOL PC SOL FUEL PMP RLY ENGINE SPD PNK IGNITION FEED IGN TIMING SIG. TACH. SIG. GROUND WIRE PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (RIGHT SIDE OF ENGINE COMPT) PPL PPL FUEL LEV A/C LOW PPL/WHT WIRE RED WIRE RED/BLK WIRE SPARK PLUGS STARTING/ CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TCC SOL A/C CLU TP SENS IAT SENS IC TIMING TRANS SIG C TRANS SIG A TANK PRES PNK WIRE TRANSMISSION SYSTEM VEHICLE SPEED SENSOR (REAR OF TRANSMISSION) WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOL 2-3 SHIFT SOL 29 30 31 PNK WIRE 3-2 SHIFT SOL AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CENTRAL SEQUENTIAL FUEL INJECTION DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM I FUSE ENG-I FUSE EVAPORATIVE EMISSION CANISTER PURGE SOLENOID (TOP RIGHT CENTER OF ENGINE) EVAPORATIVE EMISSION CANISTER VENT SOLENOID (REAR OF FUEL TANK) FUEL INJ 1 FUEL INJ 4 FUEL INJ 2 FUEL INJ 5 FUEL INJ 3 FUEL INJ 6 GRY WIRE HOT IN RUN OR START LO SW SW LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE OXYGEN FUSE PNK 25 26 27 28 WIRE PNK 7 8 WIRE PNK PNK PNK 1 2 3 4 5 6 WIRE PNK WIRE PNK/BLK WIRE PPL LT PRESSURE CONTROL SOLENOID VALVE RED WIRE RED/BLK WIRE REV SW AUTOMATIC TRANSMISSION FLUID PRESSURE MANUAL VALVE POSITION SWITCH SW SW TAN WIRE TAN/BLK WIRE TCC PWM SOL TCC SOL TRANSMISSION FLUID TEMPERATURE SENSOR UNDER- HOOD FUSE BLOCK WHT WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (UNDER DASH, ON HEATER CASE) BRN WIRE BRN/WHT WIRE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM-B FUSE ENG SPD FUEL PUMP PRIME CONNECTOR FUEL PUMP RELAY FUEL PUMP, SENDER ASSEMBLY (ON TOP OF FUEL TANK) FUEL TANK PRESSURE SENSOR (TOP OF FUEL TANK) GRY WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM INTAKE AIR TEMPERATURE SENSOR (IN FRESH AIR INTAKE DUCT) LT BLU/WHT WIRE LT GRN WIRE MAF SIG MANIFOLD ABSOLUTE PRESSURE SENSOR (TOP CENTER OF ENGINE) MASS AIRFLOW SENSOR (MAF) (ON AIR INTAKE ASSY) MIL INPUT ORG/ WIRE PICK-UP PNK 25 26 27 28 WIRE PNK PNK PNK 1 2 3 4 5 6 WIRE PNK PNK WIRE PNK WIRE PPL RED WIRE RED/BLK WIRE SPLICE PACK 201 (LEFT SIDE OF DASH) TAN WIRE TAN/BLK WIRE THROTTLE POSITION SENSOR (ON THROTTLE BODY ASSEMBLY) UNDERHOOD FUSE BLOCK UTILITY WHT WIRE YEL WIRE YEL/BLK WIRE

12 V REF GROUND 225 1694 TRANSMISSION SYSTEM A/C SYSTEM ANTI-LOCK BRAKE SYSTEM AXLE SW VSS LOW VSS HI BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CHARGING SYSTEM CRUISE CONTROL SYSTEM CRUISE ENG DISTRIBUTOR (TOP REAR OF ENGINE) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC IGNITION CONTROL MODULE (TOP RIGHT SIDE OF ENGINE) EVAP PURGE EVAP VENT MIL 2-3 SHIFT 1-2 SHIFT VSS VSS TFT SENSOR GEN F IAC B HI IAC B LO IAC A LO IAC A HI GEN T/O AXLE SW A/C REQ GRN WIRE GRY WIRE GRY/BLK WIRE HIGH VOLTAGE COIL WIRE IDLE AIR CONTROL VALVE (ON THROTTLE BODY ASSEMBLY) IGNITION COIL (RIGHT SIDE OF ENGINE) LOW REF LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE LT PPL MAF SIG MAP SIG NCA WIRE PC SOL PC SOL FUEL PMP RLY ENGINE SPD PNK IGNITION FEED IGN TIMING SIG. TACH. SIG. GROUND WIRE PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (RIGHT SIDE OF ENGINE COMPT) PPL PPL FUEL LEV A/C LOW PPL/WHT WIRE RED WIRE RED/BLK WIRE SPARK PLUGS STARTING/ CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TCC SOL A/C CLU TP SENS IAT SENS IC TIMING TRANS SIG C TRANS SIG A TANK PRES PNK WIRE TRANSMISSION SYSTEM VEHICLE SPEED SENSOR (REAR OF TRANSMISSION) WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE