Chevrolet Blazer S15 facelift (1998-2005) splice pack Wiring diagrams

2.2L 4.3L ABS FUSE ANTI-LOCK INDICATOR AXLE SWITCH SIG VSS LF WHL SPD SENS SIG RF WHL SPD SENS REF AXLE SWITCH SIGNAL BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (UNDER DASH, ON HEATER CASE) BRAKE FLUID LEVEL SWITCH (ON MASTER CYLINDER) BRAKE FLUID LVL SIG BRAKE WARNING INDICATOR BRN WIRE CLASS 2 COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DK GRN WIRE FRONT AXLE INDICATOR SWITCH (AT FRONT AXLE, TO RIGHT OF DIFFERENTIAL) GROUND BATTERY GRY WIRE HOT AT ALL TIMES HOT IN RUN ABS FUSE 22 I/P FUSE BLOCK (ON LEFT END OF DASH) IGNITION 3 LF WHL SPD SENS REF RF WHL SPD SENS SIG INSTRUMENT CLUSTER LEFT FRONT WHEEL SPEED SENSOR LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE POWERTRAIN CONTROL MODULE (PCM) (ON RIGHT FRONT OF ENGINE COMPT) PPL PUMP MOTOR RDO BATT FUSE 19 RED WIRE RIGHT FRONT WHEEL SPEED SENSOR SPLICE PACK STOPLIGHT SWITCH (ON BRAKE PEDAL SUPPORT BRACKET) TAN WIRE TCC BRAKE SWITCH SIG SERIAL DATA UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ON TOP OF LEFT FRONT INNER WHEELWELL) VEHICLE SPEED SIGNAL W/ ELECTRIC SHIFT CONTROL (2 SPEED) WIPER/ WASHER SYSTEM YEL WIRE YEL/BLK WIRE

BLK WIRE BRN WIRE DRIVER OUTSIDE REAR- VIEW MIRROR FRONT PASSENGER OUTSIDE REARVIEW MIRROR GRY WIRE HOT AT ALL TIMES HOT IN RUN I/P FUSE BLOCK (ON LEFT END OF DASH) HVAC 1 FUSE 21 HOT IN RUN, START HTD MIRROR FUSE RR DEFOG FUSE HVAC CONTROL ASSEMBLY IGN E FUSE ILL NCA WIRE ON LED ORG/ WIRE PPL REAR WINDOW DEFOGGER GRID REAR WINDOW DEFOGGER RELAY SPLICE PACK TIMER CIRCUIT UNDERHOOD FUSE BLOCK (ON TOP OF LEFT FRONT FENDER) UTILITY VEHICLES ONLY WHT WIRE

2 DOOR UTILITY PICKUP W/ PWR DOOR LOCKS 4 DOOR UTILITY 80 1303 727 (UTILITY) BLK WIRE BODY CONTROL MODULE (UNDER DASH, ON HEATER CASE) DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) PPL DK BLU WIRE DK BLU/WHT WIRE DRIVER DOOR JAMB SWITCH DRIVER DOOR LOCK CYLINDER SWITCH FR HANDLE SW KEY SW SIG DRV DR SWITCH FRONT PASSENGER DOOR JAMB SWITCH FRONT PASSENGER DOOR LOCK CYLINDER SWITCH GROUND BATTERY SERIAL DATA GROUND HORN RELAY GRY WIRE HORNS SYSTEM HOT AT ALL TIMES IGNITION KEY ALARM SWITCH INSTRUMENT PANEL CLUSTER KEY IN IGN LIFTGATE SW DOOR SW SIG LEFT REAR SIDE DOOR JAMB SWITCH LT GRN WIRE ORG/ WIRE PICKUP PNK WIRE PNK/BLK WIRE PPL REAR WINDOW WIPER CUTOUT, LIFTGLASS AJAR JAMB SWITCH RIGHT DOOR HANDLE SWITCH RIGHT REAR SIDE DOOR JAMB SWITCH SECURITY INDICATOR SPLICE PACK TAN WIRE TBC FUSE UNDERHOOD FUSE BLOCK UTILITY/CREW CAB WHT WIRE

AUXILIARY POWER OUTLET AUXILIARY POWER OUTLET AUDIO AMPLIFIER BLK WIRE CENTER HIGH MOUNT STOP LAMP CENTER HIGH MOUNT STOP LAMP DOME LAMP CENTER HIGH MOUNT STOP LAMP RESISTOR CREW CAB DOOR LOCK CYLINDER SWITCH DOOR LOCK, WINDOW SWITCH DRIVER DOOR LOCK CYLINDER SWITCH DRIVER DOOR LOCK, SIDE WINDOW SWITCH DRIVER HEATED SEAT ASSEMBLY DRIVER LUMBAR SWITCH DRIVER MEMORY SEAT MODULE DRIVER SEAT ADJUSTER SWITCH DRIVER SEAT BELT SWITCH DRIVER OUTSIDE REAR- VIEW MIRROR FRONT PASSENGER FRONT PASSENGER DOOR LOCK, SIDE WINDOW SWITCH FRONT PASSENGER FRONT PASSENGER HEATED SEAT ASSEMBLY FRONT PASSENGER OUTSIDE REAR VIEW MIRROR FRONT PASSENGER SEAT ADJUSTER SWITCH FRONT PASSENGER SEAT BELT SWITCH FRONT PASSENGER SEAT LUMBAR SWITCH HAZARD FLASHER MODULE INSIDE AIR TEMPERATURE SENSOR ASSEMBLY SUNROOF CONTROL MODULE INSIDE REAR VIEW MIRROR LEFT BACK-UP LAMP LEFT REAR DOOR JAMB SWITCH RIGHT REAR DOOR JAMB SWITCH LEFT REAR PARK/ TURN SIGNAL LAMP LEFT REAR TAIL/ STOP LAMP LEFT VANITY MIRROR LAMP LIFTGATE RELEASE ACTUATOR NCA WIRE OUTSIDE REAR VIEW FOLDING MIRROR SWITCH OUTSIDE REAR VIEW MIRROR OUTSIDE REAR VIEW MIRROR SWITCH PICKUP EXCEPT CREWCAB PICKUP W/ POWER DOOR LOCKS W/O KEYLESS ENTRY PICKUP: ON RIGHT REAR FRAME RAIL) REAR WINDOW DEFOGGER GRID REAR WINDOW WIPER CUTOUT, LIFTGLASS AJAR JAMB SWITCH REAR WINDOW WIPER MOTOR CONTROLLER RIGHT BACK-UP LAMP RIGHT REAR PARK/ TURN SIGNAL LAMP RIGHT REAR TAIL/ STOP LAMP RIGHT VANITY MIRROR LAMP SPLICE PACK STRAPPED TO BODY HARN, IN CENTER FRONT OF DASH, LEFT OF SP 200) TRANSFER CASE SHIFT CONTROL MODULE TRANSFER CASE SHIFT CONTROL MODULE TURN SIGNAL/ UTILITY UTILITY, CREW CAB UTILITY, CREW CAB, MAXI-CAB UTILITY, CREWCAB W/ ENHANCED PERFORMANCE AUDIO W/ FOLDILNG POWER MIRRORS W/ HEATED SEATS W/ MIRROR LAMPS W/O MIRROR LAMPS W/ POWER DOOR LOCKS EXCEPT PICKUP W/O KEYLESS ENTRY WINDOW LOCKOUT SWITCH

1356 705 278 192 FTP IN AMBIENT LIGHT SENSOR (TOP LEFT SIDE OF DASH) AUTO PKLP HDLP BATTERY FUSE BLK WIRE BODY CONTROL MODULE (UNDER DASH, ON HEATER CASE) BODY RELAY BLOCK (LEFT SIDE OF DASH) BRN WIRE DAYTIME RUNNING LAMPS RELAY DK BLU WIRE DK GRN/WHT WIRE FOG LAMP RELAY FOG LAMP SWITCH FOG LP FUSE FOG LP IND ILLUM FTP GRN WIRE GRY WIRE HEADLAMP GROUNDING RELAY HEADLAMP POWER RELAY HEADLAMP SWITCH HIGH BEAM/ FLASH-TO- PASS SWITCH HOT AT ALL TIMES I/P FUSE BLOCK HDLP SW FUSE 7 LEFT FOG LAMP LEFT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP LIGHT SENSOR FOG SW IN HEADLAMP CTRL LT BLU WIRE LT DK LT GRN/BLK WIRE LT HDLP FUSE MULTIFUNCTION SWITCH NCA WIRE ORG/ WIRE PARK BRAKE SW DRL RELAY CTRL PARK BRAKE SWITCH (BASE OF PARK BRAKE ASSEMBLY) PARK LAMP RELAY PARK LP FUSE PARK RLY CTRL FOG RLY CTRL HEADLAMP CTRL HIGH BEAM IN PPL PPL HIGH PPL PPL PPL/WHT WIRE RED WIRE RIGHT FOG LAMP RIGHT HIGH BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP RT HDLP FUSE SPLICE PACK TBC FUSE UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (TOP OF LEFT FRONT FENDER) WHT WIRE YEL WIRE YEL/BLK WIRE

* - INFORMATION NOT AVAILABLE 1356 705 278 192 FTP IN 4.3L AMBIENT LIGHT SENSOR (TOP LEFT SIDE OF DASH) AUTO PARK HEAD BATTERY FUSE BLK WIRE BODY CONTROL MODULE (UNDER DASH, ON HEATER CASE) BODY RELAY BLOCK (LEFT SIDE OF DASH) BRN WIRE DK BLU WIRE DK GRN/WHT WIRE FOG LAMP RELAY FOG LAMP SWITCH FOG LP FUSE FOG LP IND FTP GRY WIRE HEADLAMP POWER RELAY HEADLAMP SWITCH HIGH BEAM/ FLASH-TO- PASS SWITCH HOT AT ALL TIMES HOT IN RUN I/P FUSE BLOCK HDLP SW FUSE 7 IGN E FUSE ILLUM LEFT FOG LAMP LEFT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP LIGHT SENSOR FOG SW IN HEADLAMP CTRL LT BLU WIRE LT GRN/BLK WIRE LT HDLP FUSE MULTIFUNCTION SWITCH NCA WIRE ORG/ WIRE PARK BRAKE SW DRL RELAY CTRL PARK BRAKE SWITCH (BASE OF PARK BRAKE ASSEMBLY) PARK LAMP RELAY PARK LP FUSE PARK RLY CTRL FOG RLY CTRL HEADLAMP CTRL HIGH BEAM IN PNK WIRE PPL PPL HIGH PPL PPL PPL/WHT WIRE RED WIRE RIGHT FOG LAMP RIGHT HIGH BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP RT HDLP FUSE SPLICE PACK TBC FUSE UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (TOP OF LEFT FRONT FENDER) WHT WIRE YEL WIRE YEL/BLK WIRE

BATTERY FUSE BLK WIRE BODY CONTROL MODULE (UNDER DASH, ON HEATER CASE) HORN RELAY CONTROL DK GRN WIRE FUSE HOLDER (ENGINE COMPT, RIGHT OF RADIATOR) HORN FUSE HORN RELAY HORN RELAY CONTROL HOT AT ALL TIMES LEFT HORN (LEFT FENDER WALL) RED WIRE RIGHT HORN SPLICE PACK STEERING COLUMN) UNDERHOOD FUSE BLOCK (TOP OF LEFT FRONT FENDER)

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

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

1850 1140 GROUND BATTERY SERIAL DATA GROUND SENSOR PWR 2.2L 4.3L 710 1057 SERIAL DATA SENSOR RET SENSOR SIG BLK WIRE BODY CONTROL MODULE (UNDER DASH, ON HEATER CASE) DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) DK GRN/WHT WIRE ENGINE CONTROLS SYSTEM (FUEL PUMP RELAY) HOT AT ALL TIMES LT GRN WIRE ORG/ WIRE ORG/BLK WIRE PASSLOCK SENSOR (AT IGNITION SWITCH) POWERTRAIN CONTROL MODULE (ON RIGHT FRONT OF ENGINE COMPT) PPL RED WIRE RED/WHT WIRE REMOTE CONTROL DOOR LOCK RECEIVER (BEHIND LOWER LEFT SIDE OF DASH) SPLICE PACK TBC FUSE UNDERHOOD FUSE BLOCK (ON TOP OF LEFT FRONT INNER WHEELWELL) W/ REMOTE KEYLESS ENTRY WHT WIRE YEL WIRE