Chevrolet Blazer S15 (1994-1998) yel Wiring diagrams

5 173 PNK WIRE 5 18 PNK PUMP MOTOR RELAY PUMP DRIVER WIRE ANTI-LOCK IND BAT PUMP MOTOR FEED GRD BLK WIRE BLK/WHT WIRE BRAKE IND BRAKE PRESSURE MODULATOR VALVE (LEFT REAR OF ENGINE COMPARTMENT) BRAKE PRESSURE WARNING SWITCH (BRAKE MASTER CYLINDER) BRN WIRE CRUISE CONTROL SYSTEM DIODE MODULE (ABOVE STEERING COLUMN) DK GRN WIRE DK GRN/WHT WIRE FRONT AXLE SWITCH (RIGHT OF DIFFERENTIAL) FUSIBLE LINK GAUGES FUSE 4 HOT AT ALL TIMES HOT IN RUN BRAKE FUSE 12 HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK INSTRUMENT CLUSTER LEFT FRONT WHEEL SPEED SENSOR LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE ORG/ WIRE PNK WIRE PPL PPL LFT FRT PWM SOL FEED REAR PWM SOL FEED RT FRT PWM SOL FEED PPL PPL PPL REAR ISOLATION SOL FEED PPL/WHT WIRE RED WIRE RIGHT FRONT WHEEL SPEED SENSOR RT FRT ISOLATION SOL FD TAN WIRE TAN/WHT WIRE TCC/STOPLAMP SWITCH (BRAKE PEDAL BRACKET) VEHICLE CONTROL MODULE (RIGHT SIDE OF ENGINE COMPARTMENT) VEHICLE SPEED SENSOR (LEFT SIDE OF TRANS OR REAR OF TRANSFER CASE) VSS SIGNAL-LO WHT WIRE YEL WIRE

4.3L VIN W 2.2L VIN 4 4000 PULSES/MILE BLK WIRE BLK/WHT WIRE BLU WIRE BRAKE FUSE 12 BRN WIRE BRN/WHT (OR PPL) WIRE BRN/WHT WIRE CLUTCH PEDAL POSITION SWITCH (CLUTCH PEDAL SUPPORT) CRUISE CONTROL MODULE CRUISE STATUS CRUISE STATUS VEHICLE SPEED INPUT DK BLU WIRE DK GRN/WHT WIRE GRY WIRE GRY/BLK WIRE HOT IN RUN HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK LT BLU/BLK WIRE LT GRN/BLK WIRE M/T A/T NCA WIRE OFF ON ORG/ WIRE PPL PPL A/T PPL PPL M/T PPL/WHT WIRE R/A SET SW DK OFF STOP/HAZ FUSE 1 TCC STOPLAMP SWITCH (BRAKE PEDAL SUPPORT) TURN SIGNAL SWITCH VEHICLE SPEED SENSOR (VSS) VSS RETURN VSS SIGNAL WHT WIRE YEL WIRE

510 OHMS AUXILIARY LEAD (TAPED NEAR JUNCTION BLOCK) BACKUP LAMPS CIRCUIT BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CENTER HIGH MOUNTED STOP LAMP (CHMSL) CRUISE CONTROL SYSTEM DK BLU WIRE DK GRN WIRE FUSE 1 FUSE 16 FUSE 3 GRN WIRE HAZARD HAZARD FLASHER HEAD OFF PARK HEADLAMP SWITCH HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK IN-LINE FUSE INSTRUMENT CLUSTER LEFT TURN IND. RIGHT TURN IND. JUNCTION BLOCK (LEFT REAR ENGINE COMPT) LEFT FRONT MARKER LAMP LEFT FRONT PARK/ TURN LAMP LEFT TAIL/ STOP/ TURN LAMP LEFT TAIL/ STOP/ TURN LAMP LEFT TURN LICENSE LAMP LT BLU WIRE LT GRN WIRE NCA WIRE NORMAL OFF ORG/ WIRE PK LPS PNK WIRE POWER DISTRIBUTION CENTER POWER DISTRIBUTION CENTER (BEHIND CENTER OF I/P) PPL RED WIRE RIGHT FRONT MARKER LAMP RIGHT FRONT PARK/ TURN LAMP RIGHT TAIL/ STOP/ TURN LAMP RIGHT TURN STOP HAZ TCC/STOP LAMP SWITCH (ON BRAKE PEDAL SUPPORT BRACKET) TRAILER WIRING PROVISION TURN B/U TURN FLASHER TURN/ HAZARD SWITCH WHT WIRE YEL WIRE

A/T A/T M/T LT A/T PARK BRAKE WARNING SWITCH (ON PARK BRAKE) ACCY BULB TEST LOCK OFF BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE DAYTIME RUNNING LAMPS (DRL) MODULE (BETWEEN HVAC MODULE AND GLOVE BOX) DAYTIME RUNNING LAMPS (DRL) RELAY (IN RELAY CENTER) DK BLU WIRE DRL/FOG FUSE 15 FOG LAMP RELAY (BEHIND GLOVE COMPT., ATTACHED TO RELAY CENTER) FOG LAMP SWITCH GAUGES FUSE 4 GRN WIRE GROUND GRY WIRE HEAD HEAD OFF OFF PARK PARK HEADLAMP DIMMER SWITCH HEADLAMP SWITCH HI LO HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK IGNITION SWITCH ILLUM LAMP INSTRU- MENT CLUSTER SYSTEM INSTRUMENT CLUSTER HI BEAM INDI- CATOR DRL INDI- CATOR LEFT FOG LAMP LEFT HEAD- LAMP LO LO LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT LT M/T NCA WIRE OFF ON INDICATOR ORG/ WIRE PNK WIRE PPL PPL/WHT WIRE RIGHT FOG LAMP RIGHT HEAD- LAMP RUN WIRE SYSTEM TAN WIRE TAN/WHT WIRE TRUNK, TAILGATE, WHT WIRE YEL (OR BRN) WIRE YEL WIRE

1996 VFTC A/T A/T M/T LT A/T PARK BRAKE WARNING SWITCH (ON PARK BRAKE) ACCY BULB TEST LOCK OFF BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE DAYTIME RUNNING LAMPS (DRL) MODULE (BETWEEN HVAC MODULE AND GLOVE BOX) DAYTIME RUNNING LAMPS (DRL) RELAY (IN RELAY CENTER) DK BLU WIRE DRL/FOG FUSE 15 FOG LAMP RELAY (BEHIND GLOVE COMPT., ATTACHED TO RELAY CENTER) FOG LAMP SWITCH GAUGES FUSE 4 GRN WIRE GROUND GRY WIRE HEAD HEAD OFF OFF PARK PARK HEADLAMP DIMMER SWITCH HEADLAMP SWITCH HI LO HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK IGNITION SWITCH ILLUM LAMP INSTRU- MENT CLUSTER SYSTEM INSTRUMENT CLUSTER HI BEAM INDI- CATOR DRL INDI- CATOR LEFT FOG LAMP LEFT HEAD- LAMP LO HI LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT LT M/T NCA WIRE OFF ON INDICATOR ORG/ WIRE PNK WIRE PPL PPL/WHT WIRE RIGHT FOG LAMP RIGHT HEAD- LAMP RUN WIRE SYSTEM TAN WIRE TAN/WHT WIRE TRUNK, TAILGATE, WHT WIRE YEL (OR BRN) WIRE YEL WIRE

1995 VFTC ACCY ALL EXCEPT 2.2L BASE MODELS BRAKE FUSE 12 BRAKE PRESSURE MODULATOR VALVE BRN WIRE BULB TEST CRUISE CONTROL MODULE CRUISE CONTROL SWITCH BRAKE PRESSURE MODULATOR VALVE DRIVER INFORMATION DISPLAY CONTROL MODULE FROM FUSIBLE LINK HTR A/C FUSE 6 HVAC SELECT SWITCH I/P FUSE BLOCK IGNITION SWITCH INSIDE REARVIEW MIRROR LAMP LEFT FRONT WINDOW SWITCH LOCK LOCK OFF NCA WIRE OFF ORG/ WIRE PWR WDO CIRCUIT BREAKER B RADIO RADIO FUSE 11 REAR WINDOW WIPER/ WASHER SWITCH RED WIRE RIGHT FRONT LEFT FRONT WINDOW SWITCH WINDOW SWITCH RUN WIRE TCC/ STOPLAMP SWITCH VEHICLE CONTROL MODULE W/ OVERHEAD CONSOLE W/O OVERHEAD CONSOLE WINDOW LOCKOUT SWITCH WINDSHIELD WIPER MOTOR AND MODULE WINDSHIELD WIPER/ WASHER SWITCH WIPER FUSE 17 YEL WIRE

1995 VFTC 2.2L 4.3L A/C COMPRESSOR CLUTCH RELAY DIAGNOSTIC ENERGY RESERVE MODULE (DERM) A/T A/T ONLY ACCY ACCY LOCK ACCY LOCK OFF AIR BAG FUSE 22 ARMING SENSOR AUDIO BACKUP LIGHT SWITCH PARK/NEUTRAL POSITION SWITCH BULB TEST CAMSHAFT POSITION SENSOR CLUTCH PEDAL POSITION SWITCH CRANK FUSE 20 CRANKSHAFT POSITION SENSOR DISTRIBUTOR IGNITION CONTROL MODULE DAYTIME RUNNING ALARM MODULE LIGHT (DRL) MODULE DAYTIME RUNNING LIGHT (DRL) RELAY DIAGNOSTIC ENRGY RESERVE MODULE ECM IGN FUSE 10 TURN B/U FUSE 16 ENG FUSE 5 EVAPORATIVE EMISSIONS CANISTER PURGE SOLENOID EVAPORATIVE EMISSIONS CANISTER VENT VALVE SOLENOID EXCEPT BRAVADA BRAVADA FROM FUSIBLE LINK FRONT AXLE SWITCH FOUR-WHEEL DRIVE INDICATOR TRANSFER CASE SELECT SWITCH FUEL INJECTOR FUEL INJECTORS IGNITION COIL GAUGES FUSE 4 GRN WIRE GRY WIRE I/P FUSE BLOCK IGNITION SWITCH ILLUM FUSE 14 INSTRUMENT CLUSTER INSTRUMENT CLUSTER AUTO TRANS SHIFT LOCK CONTROL SOLENOID INTERIOR LIGHTS KEYLESS ENTRY MODULE INTERIOR LIGHT CONTROL MODULE LINEAR EGR VALVE POWERTRAIN CONTROL MODULE (PCM) POST CONVERTER OXYGEN SENSOR LOCK OFF M/T NCA WIRE OFF PANEL DIMMER SWITCH ASSEMBLY (INTERIOR LIGHTS SYSTEM) PNK PNK PNK PNK WIRE PNK PNK PNK WIRE PNK PNK W/ VCM ONLY WIRE PNK PNK WIRE PNK W/O KEYLESS W/ KEYLESS ENTRY ENTRY WIRE PNK WIRE POWERTRAIN CONTROL MODULE DISTRIBUTOR IGNITION CONTROL MODULE PPL PPL PPL PRE- CONVERTER OXYGEN SENSOR POST- CONVERTER OXYGEN SENSOR 2.2L REAR WINDOW DEFOG SWITCH RED WIRE RIGHT OXYGEN SENSOR RUN WIRE TRANS FUSE 24 TRANSFER CASE CONTROL MODULE TRANSFER CASE CONTROL MODULE PARK/ NEUTRAL POSITION SWITCH TRANSMISSION TURN SIGNAL FLASHER PNK WIRE VEHICLE CONTROL MODULE (VCM) MASS AIRFLOW SENSOR LEFT OXYGEN SENSOR VEHICLE CONTROL MODULE M/T A/T W/ UTILITY ONLY WHT WIRE YEL WIRE

18 19 20 21 PNK WIRE A/C COMP RLY CTRL EGR PINTLE POSIT INPUT A/C COMPRESSOR CLUTCH RELAY (CENTER REAR OF ENGINE COMPARTMENT) A/T M/T ANTI-LOCK BRAKE SYSTEM (LEFT FRONT WHEEL SPEED SENSOR) ANTI-LOCK BRAKES SYSTEM (RIGHT FRONT WHEEL SPEED SENSOR) BLK WIRE BLU WIRE BRN WIRE BRN/WHT WIRE CAM POSIT SENS RTN RIGHT FRONT SENS LOW TCC ON/OFF SOL. CTRL CAMSHAFT POSITION SENSOR (LOCATED WITHIN HIGH VOLTAGE SWITCH) (IN DISTRIBUTOR) COIL CRANKSHAFT POSITION SENSOR (LOWER RIGHT FRONT OF ENGINE) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EVAP EMISS PURGE CTRL 3-2 CTRL SOL. CTRL EVAPORATIVE EMISSIONS CANISTER VENT VALVE SOLENOID (IF EQUIPPED) GRN WIRE GRY WIRE HALL EFFECT SENSOR IDLE AIR CONTROL MOTOR (TOP LEFT SIDE OF ENGINE) IDLE AIR CTRL (IAC) B HI IDLE AIR CTRL (IAC) A HI INJ NO.2 CTRL INJ NO.3 CTRL KNOCK SENSOR (TOP REAR OF ENGINE) LEFT OXYGEN SENSOR (IN LEFT EXHAUST PIPE) LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE LT LT LT LT PPL NCA WIRE OR 22 23 24 OR PUMP DRIVER KNOCK SENS SIG PNK PNK PNK 1 2 3 4 WIRE PNK WIRE PNK/BLK WIRE PPL PPL CRANK POSIT SENS GROUND VSS (HI) VSS (LO) CRANK POSIT SENS SIGNAL PPL PNK WIRE PPL PPL PPL/WHT WIRE PRE-CONVERTER OXYGEN SENSOR (FORWARD OF CATALYTIC CONVERTER) RIGHT FRONT SENS HIGH RIGHT OXYGEN SENSOR (RIGHT REAR OF ENGINE IN EXHAUST PIPE) SENSOR GROUND TAN WIRE TAN/BLK WIRE TAN/PPL WIRE TAN/WHT WIRE VEHICLE CONTROL MODULE (VCM) (RIGHT SIDE OF ENGINE COMPARTMENT) VEHICLE SPEED SENSOR (VSS) (REAR OF TRANSFER CASE) WHT WIRE YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOL 18 19 20 21 PNK WIRE 2-3 SHIFT SOL 3-2 CONTROL SOL. 4 5 6 PNK WIRE AUTOMATIC TRANSMISSION BLK WIRE BLU WIRE BRN WIRE DK BLU WIRE DK GRN WIRE ECM/IGN FUSE 10 ENG FUSE 5 FUEL INJ. NO.1 FUEL INJ. NO.2 FUEL INJ. NO.3 FUEL INJ. NO.4 FUEL INJ. NO.5 FUEL INJ. NO.6 GRY WIRE HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK LINEAR EXHAUST GAS RECIRCULATION (EGR) SOLENOID VALVE (TOP FRONT OF ENGINE) LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE LT PNK WIRE NCA WIRE OR 16 17 PNK 10 11 WIRE PNK 12 13 14 15 WIRE PNK 18 19 WIRE PNK PNK PNK 1 2 3 4 WIRE PNK PNK PNK 1 2 3 WIRE PNK WIRE PNK/BLK WIRE POST-CONVERTER OXYGEN SENSOR (REAR OF CATALYTIC CONVERTER) PPL PNK WIRE PPL/WHT WIRE PRESSURE CONTROL SOLENOID (PCS) RED WIRE RED/BLK WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC ON/OFF SOL. TCC PWM SOL TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR (INTERNAL) TRANSMISSION RANGE (TR) PRESSURE SWITCH ASSEMBLY WHT WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 PNK PNK WIRE 4 5 6 PNK WIRE A/T ONLY BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM BATT FUSE 9 FOUR-WHEEL DRIVE INDICATOR ASSEMBLY (CENTER OF FLOOR CONSOLE) FRONT AXLE SWITCH FUEL PUMP OIL PRESSURE SWITCH (TOP REAR OF ENGINE NEAR DISTRIBUTOR) FUEL PUMP PRIME CONNECTOR FUEL PUMP RELAY FUEL PUMP/ SENDER (TOP OF FUEL TANK) GAUGE INPUT OIL PRESSURE GAUGES FUSE 4 GRN WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK INPUT FUEL GAUGE INPUT SPEEDOMETER INPUT TACHOMETER INSIDE LEFT FRAME RAIL INSTRUMENT CLUSTER LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MALFUNCTION INDICATOR (MIL) "SERVICE ENGINE SOON" LAMP MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR (TOP CENTER OF ENGINE) MAP MASS AIRFLOW SENSOR (LEFT FRONT OF ENGINE ON AIR CLEANER HOUSING) NCA WIRE OR 16 17 ORG/ WIRE PNK 10 11 WIRE PNK 12 13 14 15 WIRE PNK 18 19 WIRE PNK PNK PNK 1 2 3 WIRE PNK PNK WIRE PNK WIRE PPL RED WIRE RED/BLK WIRE REF LO REF LO REF RELAY CENTER SHIFT "UPSHIFT INDICATOR" LAMP TAN WIRE TAN/BLK WIRE TEMP THROTTLE POSITION (TP) SENSOR (TOP LEFT SIDE OF ENGINE) TRANS FUSE 24 TRANSFER CASE CONTROL MODULE (BEHIND CENTER OF I/P) W/ELEC. SHIFT CTRL W/O ELEC. SHIFT CTRL WHT WIRE YEL WIRE