Chevrolet Blazer S15 facelift (1998-2005) splice pack 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

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

4 DOOR 4 LO REQUEST 2 HI REQUEST 4 HI REQUEST 4 LO STATUS LAMP ANTI-LOCK BRAKES SYSTEM ATC FUSE AXLE SW BLK LT GRN/ WIRE BLK WIRE BLK/WHT WIRE BODY RELAY BLOCK (BEHIND LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE BTSI FUSE CRANK FUSE CRUISE CONTROL SYSTEM CTSY LP FUSE 8 DATA LINK CONNECTOR (DLC) (PARTIAL) (UNDER LEFT SIDE OF DASH) DK BLU/WHT WIRE DK GRN/WHT WIRE ENCODER CHANNEL A ENCODER CHANNEL B ENCODER CHANNEL C ENCODER CHANNEL P ENCODER GROUND ENCODER SIG GROUND GROUND 2 HI STATUS LAMP 4 HI STATUS LAMP FRONT AXLE INDICATOR FUSE 15 GROUND GROUND BATTERY BATTERY GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN HOT IN PARK OR NEUTRAL I/P FUSE BLOCK (ON LEFT END OF DASH) IGNITION ILLUMINATION LAMP INDICATOR INSTRUMENT CLUSTER, SOUND SYSTEMS LT GRN WIRE LT GRN/ BLK WIRE LT GRN/BLK WIRE MOTOR CONTROL A ORG/ WIRE PPL PPL/WHT WIRE RED WIRE RED/WHT WIRE RUN WIRE SHIFT MOTOR SOLID STATE SPLICE PACK STARTING/ CHARGING SYSTEM STOPLIGHT SWITCH SWITCH SWITCH (ON FRONT AXLE, RIGHT OF DIFF) 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 (ON TOP OF LEFT FRONT FENDER) VS SIGNAL WHT WIRE YEL/BLK WIRE

4.3L 4.3L ONLY BATTERY BLK WIRE CHARGE INDICATOR CLASS 2 CLASS II DATA DK GRN WIRE FUSE HOLDER (ON LOWER RIGHT SIDE OF RADIATOR SUPPORT, BELOW BATTERY) FUSIBLE LINK (10 GA-RUST) GENERATOR GENERATOR CONTROL/ MONITORING GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (ON LEFT END OF DASH) INSTRUMENT PANEL CLUSTER NOT USED ORG/ WIRE RDO BATT FUSE 19 RED WIRE SOUND SYSTEMS SPLICE PACK STARTER SOLENOID VOLTAGE REGULATOR SOLID STATE

BLK WIRE BLK/WHT WIRE BRN WIRE CRUISE FUSE 3 DRIVER HEATED SEAT ASSEMBLY DRIVER HEATED SEAT MODULE DRIVER LUMBAR SWITCH ELEMENT CONTROL FRONT PASSENGER HEATED SEAT ASSEMBLY FRONT PASSENGER LUMBAR SWITCH FRONT PASSENGER SEAT BELT SWITCH (OPEN WHEN BUCKLED) GROUND HEATED SEAT RELAY HEATER ELEMENT SEAT BACK HEATER ELEMENT SEAT CUSHION HOT AT ALL TIME HOT IN RUN HTD SEAT FUSE I/P FUSE BLOCK NCA WIRE OFF OFF LO ORG/ WIRE ORG/BLK WIRE PNK WIRE SPLICE PACK SWITCH SIGNAL UNDERHOOD FUSE BLOCK

1 2 3 4 BATTERY BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (UNDER DASH, ON HEATER CASE) BODY RELAY BLOCK BODY RELAY BLOCK (BEHIND LEFT SIDE OF DASH, NEAR I/P FUSE BLOCK) DK GRN WIRE DOOR LOCK RELAY DOOR UNLOCK RELAY DR UNLK RLY DR LK RLY DRIVER DOOR LOCK ACTUATOR DRIVER DOOR LOCK AND WINDOW SWITCH DRIVER DOOR UNLOCK RELAY ENDGATE OR LIFTGATE LOCK CYLINDER SWITCH (UTILITY W/ CONTENT THEFT) FRONT PASSENGER DOOR LOCK ACTUATOR FRONT PASSENGER DOOR LOCK AND WINDOW SWITCH GROUND GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK IGNITION KEY ALARM SWITCH LEFT REAR DOOR LOCK ACTUATOR (UTILITY) LOCK LT BLU WIRE LT GRN WIRE MIR/LCK FUSE 7 MIRRORS SYSTEM ORG/ WIRE PWR LKS FUSE 14 REMOTE CONTROL DOOR LOCK RECEIVER (BEHIND LOWER LEFT SIDE OF DASH) RIGHT REAR DOOR LOCK ACTUATOR (UTILITY) SPLICE PACK TAN WIRE UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK TRC FUSE UNLOCK VEHICLE SPEED SYSTEM VSS IGN KEY SWITCH DRV DR UNLK RLY W/ KEYLESS ENTRY WHT WIRE

& SPLICE PACKS) 4 DOOR BLK WIRE BRN WIRE COAXIAL CABLE ANTENNA INPUT COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACC OR RUN HOT IN PARK, HEAD I/P FUSE BLOCK (AT LEFT SIDE OF DASH, NEAR DOOR JAMB SWITCH) ILLUM FUSE 12 LAMP SUP VOLT 2 GROUND LEFT FRONT DOOR SPEAKER LEFT REAR DOOR SPEAKER (4 DOOR) LEFT REAR SPEAKER (2 DOOR) LEFT STEERING WHEEL CONTROLS SWITCH LT BLU WIRE LT GRN WIRE MUTE NCA WIRE ORG/ WIRE PPL/WHT WIRE PROGRAM RADIO RADIO ANTENNA RDO BATT FUSE 19 RDO IGN FUSE 24 RIGHT FRONT DOOR SPEAKER RIGHT REAR DOOR SPEAKER (4 DOOR) RIGHT REAR SPEAKER (2 DOOR) RIGHT STEERING WHEEL CONTROLS SWITCH SEEK DOWN SEEK UP SERIAL DATA SPLICE PACK STR WHL ILLUM FUSE 6 SWITCH BACKLIGHTING TAN WIRE VOL DOWN VOL UP WHT WIRE YEL WIRE

4 DOOR AUTOMATIC TRANSMISSION SHIFT LOCK ACTUATOR (IN STEERING COLUMN) B/U LP FUSE BLK WIRE BTSI FUSE DK GRN WIRE HOT IN RUN, START LT GRN WIRE LT GRN/BLK WIRE PARK/ NEUTRAL POSITION (PNP) SWITCH (ON LEFT SIDE OF TRANSMISSION) PNK WIRE SPLICE SPLICE PACK STOPLAMP SWITCH (ON BRAKE PEDAL SUPPORT BRACKET) TRANSMISSION SYSTEMS (TRANSFER CASE) UNDERHOOD FUSE BLOCK (ON TOP OF LEFT FRONT INNER WHEELWELL) WHT WIRE YEL WIRE

B/U LP FUSE BLK WIRE BODY RELAY BLOCK (BEHIND LEFT SIDE OF DASH) BTSI FUSE DK GRN WIRE HOT IN RUN, START LT GRN WIRE LT GRN/BLK WIRE PARK LOCK SOLENOID PARK/ NEUTRAL POSITION (PNP) SWITCH (ON LEFT SIDE OF TRANSMISSION) PNK WIRE SPLICE SPLICE PACK STOPLAMP SWITCH (ON BRAKE PEDAL SUPPORT BRACKET) UNDERHOOD FUSE BLOCK (ON TOP OF LEFT FRONT INNER WHEELWELL) WHT WIRE

AIR BAG INDICATOR BLK WIRE BLK/WHT WIRE CLASS 2 SERIAL DATA DATA LINK CONNECTOR (DLC) (PARTIAL) (UNDER LEFT SIDE OF DASH) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GROUND GRY WIRE HIGH CONTROL CLASS 2 SERIAL DATA HOT IN RUN, START I/P FUSE BLOCK (ON LEFT END OF DASH) IGN IGNITION ILLUMINATION LAMP INDICATOR LAMP INFLATABLE RESTRAINT I/P MODULE INFLATABLE RESTRAINT IP MODULE DISABLE SWITCH (PICKUP ONLY) INFLATABLE RESTRAINT STEERING WHEEL MODULE INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INSTRUMENT PANEL CLUSTER (IPC) NCA WIRE PNK WIRE PPL PPL/WHT WIRE SHORTING BAR SIR FUSE SOUND SYSTEMS SPLICE PACK TAN/BLK WIRE WHT WIRE WHT/BLK WIRE YEL WIRE