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

2-HI IND 4-HI IND 4-LO IND ATC FUSE B+ GROUND MOTOR FEED B MOTOR FEED A BARE BARE BLK WIRE BLK/WHT WIRE BODY RELAY BLOCK (BEHIND LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE CLASS II DATA CRANK FUSE DECODER LOGIC DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENCODER SIG RTN FRONT AXLE INDICATOR SWITCH (ON FRONT AXLE, RIGHT OF DIFF) FRONT AXLE VACUUM SOLENOID (ON FIREWALL, NEAR WINDSHIELD WIPER MOTOR) FRONT PROPSHAFT SPEED SENSOR FUSE 15 GAUGES FUSE 4 GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN HOT IN RUN OR START I/P FUSE BLOCK (ON LEFT END OF DASH) INSTRUMENT PANEL CLUSTER INTERIOR LIGHTS SYSTEM ILLUM LAMPS LOCK SOL OUT LT BLU WIRE LT GRN/BLK WIRE MOTOR LOCK ENCODER MOTOR NCA WIRE NEUTRAL IND ORG/ WIRE PNK BODY CONTROL MODULE WIRE PNK WIRE POWERTRAIN CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) PPL PPL DATA LINK CONNECTOR (DLC) (PARTIAL) (UNDER LEFT SIDE OF DASH) PPL/WHT WIRE PWR REAR PROPSHAFT SPEED SENSOR RED WIRE RED/WHT WIRE REF RUN WIRE SERVICE SOLID STATE SPLICE PACK SPLICE PACK PPL STARTING/ CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TRANSFER CASE ENCODER MOTOR TRANSFER CASE SHIFT CONTROL MODULE (BEHIND RIGHT FRONT KICK PANEL) TRANSFER CASE SHIFT CONTROL SWITCH UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ON TOP OF LEFT FRONT FENDER) 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-HI IND 4-HI IND 4-LO IND ATC FUSE B+ GROUND MOTOR FEED B MOTOR FEED A BARE BARE BLK WIRE BLK/WHT WIRE BODY RELAY BLOCK (BEHIND LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE CLASS II DATA CRANK FUSE DECODER LOGIC DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENCODER SIG RTN FRONT AXLE INDICATOR SWITCH (ON FRONT AXLE, RIGHT OF DIFF) FRONT AXLE VACUUM SOLENOID (ON FIREWALL, NEAR WINDSHIELD WIPER MOTOR) FRONT PROPSHAFT SPEED SENSOR FUSE 15 GAUGES FUSE 4 GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN HOT IN RUN OR START I/P FUSE BLOCK (ON LEFT END OF DASH) INSTRUMENT PANEL CLUSTER INTERIOR LIGHTS SYSTEM ILLUM LAMPS LOCK SOL OUT LT BLU WIRE LT GRN/BLK WIRE MOTOR LOCK ENCODER MOTOR NCA WIRE NEUTRAL IND ORG/ WIRE PNK BODY CONTROL MODULE WIRE PNK WIRE POWERTRAIN CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) PPL PPL DATA LINK CONNECTOR (DLC) (PARTIAL) (UNDER LEFT SIDE OF DASH) PPL/WHT WIRE PWR REAR PROPSHAFT SPEED SENSOR RED WIRE RED/WHT WIRE REF RUN WIRE SERVICE SOLID STATE SPLICE PACK SPLICE PACK PPL STARTING/ CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TRANSFER CASE ENCODER MOTOR TRANSFER CASE SHIFT CONTROL MODULE (BEHIND RIGHT FRONT KICK PANEL) TRANSFER CASE SHIFT CONTROL SWITCH UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ON TOP OF LEFT FRONT FENDER) YEL WIRE YEL/BLK WIRE

BLK WIRE DK GRN WIRE FRT WPR FUSE 17 GRY WIRE HI MIST HI MIST LO OFF HOT IN ACCY OR RUN I/P FUSE BLOCK (ON LEFT END OF DASH) LO PULSE MIST OFF LO PULSE OFF ON PULSE ON OFF OFF PPL RED WIRE UNDERHOOD FUSE BLOCK (ON TOP OF LEFT FRONT INNER WHEELWELL) WASHER SWITCH WINDSHIELD WASHER PUMP (IN WASHER FLUID RESERVOIR) WINDSHIELD WIPER MOTOR (ON CENTER OF FIREWALL) WIPER SWITCH WIPER/ WASHER SWITCH (PART OF MULTI- FUNCTION SWITCH) YEL WIRE

58 59 59 58 (2.2L) (4.3L) BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (UNDER DASH, ON HEATER CASE) BODY RELAY BLOCK (BEHIND LEFT SIDE OF DASH, NEAR I/P FUSE BLOCK) CLASS 2 SERIAL DATA GMCM SERIAL DATA GRN WIRE HOT AT ALL TIMES LEFT DOOR LOCK CYLINDER SWITCH (INSIDE DOOR LATCH ASSEMBLY) LIFT GLASS RELEASE SW SIG LIFTGATE/ENDGATE LOCK CYLINDER SWITCH (ON BOTTOM CENTER OF LIFTGATE) LIFTGATE/ENDGATE WINDOW RELEASE ACTUATOR (IN TOP OF ENDGATE) LIFTGLASS REL RELAY CTRL LIFTGLASS RELAY LT BLU WIRE LT GRN WIRE MIR/LKS FUSE ORG/ WIRE PARK BRAKE SW SIG PARK BRAKE SWITCH (ON BASE OF PARK BRAKE ASSEMBLY) POWERTRAIN CONTROL MODULE (PCM) (ON RIGHT FRONT OF ENGINE COMPT) REAR WIPER/WASHER, ENDGATE/LIFTGATE WINDOW RELEASE SWITCH REMOTE CONTROL DOOR LOCK RECEIVER (BEHIND LOWER LEFT SIDE OF DASH) SPLICE PACK TRANSFER CASE SHIFT CONTROL SWITCH UNDERHOOD FUSE BLOCK (ON TOP OF LEFT FRONT FENDER) WHT WIRE YEL WIRE

BLK WIRE DK GRN WIRE GRY WIRE HOT AT ALL TIMES RR W/W FUSE HOT IN ACCY, RUN I/P FUSE BLOCK (ON LEFT END OF DASH) OFF ORG/ WIRE REAR WINDOW WASHER PUMP (IN WASHER FLUID RESERVOIR) REAR WINDOW WIPER MOTOR (ON TOP CENTER OF REAR ENDGATE) LOGIC REAR WIPER/WASHER SWITCH, ENDGATE/LIFTGATE WINDOW RELEASE SWITCH RR WPR FUSE 23 UNDERHOOD FUSE BLOCK (ON TOP OF LEFT FRONT FENDER) UNDERHOOD FUSE BLOCK (ON TOP OF LEFT FRONT INNER WHEELWELL) WASHER SWITCH WHT WIRE YEL WIRE

1220 126 INST PANEL FUSE LEFT FRONT DR SW HEADLAMP OFF SIG 4.3L 2.2L 58 59 59 58 SERIAL DATA SERIAL DATA BATTERY GROUND BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (UNDER DASH, ON HEATER CASE) BRN WIRE CHIME CRUISE FUSE 3 DK BLU/WHT WIRE DK GRN WIRE DRIVER DOOR JAMB SWITCH DRIVER SEAT BELT SWITCH (OPEN WHEN BUCKLED) GAUGES FUSE 4 GROUND DISTRIBUTION SYSTEM GRY WIRE HEADLAMP SWITCH HOT AT ALL TIMES HOT IN RUN HOT IN RUN, START HOT W/HEADLAMP SWITCH IN PARK OR HEAD HOT W/HEADLAMP SWITCH IN PARK OR HEAD POSITION RHEOSTAT CONTROLLED I/P FUSE BLOCK (ON LEFT END OF DASH) IGNITION 3 VOLT SEAT BELT SWITCH IGNITION KEY ALARM SWITCH (CLOSED W/KEY IN IGNITION SWITCH) ILLUM FUSE 12 INSTRUMENT PANEL CLUSTER (IPC) LT BLU/WHT WIRE LT GRN WIRE NCA WIRE ORG/ WIRE PACKS) PARK HEAD AUTO PARK LPS FUSE 5 PARK LPS VOLT KEY IN IGN SW SERIAL DATA PICKUP EXCEPT CREW CAB PNK IGNITION 1 VOLT LEFT TURN SIG RIGHT TURN SIG WIRE PNK WIRE POWER DISTRIBUTION SYSTEM POWERTRAIN CONTROL MODULE (PCM) (ON RIGHT SIDE OF ENGINE COMPARTMENT) PPL PPL/WHT WIRE RADIO SERIAL DATA SERIAL DATA GROUND SPLICE PACK TAN WIRE TBC FUSE UNDERHOOD FUSE BLOCK (ON TOP OF LEFT FRONT INNER WHEELWELL) UTILITY WHT WIRE YEL WIRE