Chevrolet Blazer S15 facelift (1998-2005) stoplamp switch (on brake pedal support bracket) 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

BLK WIRE BLU WIRE BODY CONTROL MODULE (UNDER DASH, ON HEATER CASE) BODY RELAY BLOCK (BEHIND LEFT SIDE OF DASH) BRN WIRE CENTER HIGH MOUNT STOP LAMP CRUISE CONTROL SYSTEM DK DK DK DK LT DK GRN WIRE DK LT FR PRK FUSE GRN WIRE GRY WIRE HAZ LP FUSE HAZ PWR TURN PWR FLSHR OUT HAZARD NORMAL HEAD HEADLAMP SWITCH HOT AT ALL TIMES HOT IN RUN OR START I/P FUSE BLOCK (LEFT END OF DASH) I/P FUSE BLOCK (LEFT END OF DASH) TURN FUSE LEFT FRONT MARKER LAMP LEFT FRONT PARK/ TURN SIGNAL LAMP LEFT REAR LICENSE PLATE LAMP RIGHT FRONT PARK/ TURN SIGNAL LAMP LEFT REAR PARK/TURN SIGNAL LAMP RIGHT REAR PARK/TURN SIGNAL LAMP LEFT TURN IN LR PRK FUSE RR PRK FUSE LT BLU WIRE LT INSTRUMENT CLUSTER LT LT LT PNK WIRE LT TRN FUSE TRL TRN LT TURN FUSE MULTI- FUNCTION SWITCH NCA WIRE OFF ORG/ WIRE PARK PARK LAMP RELAY PARK LP FUSE PARK RLY CTRL RIGHT TURN IN PNK WIRE PPL PRK LP FUSE RESISTOR (510 OHMS) RIGHT FRONT MARKER LAMP RIGHT LEFT RIGHT REAR LICENSE PLATE LAMP RIGHT TURN IND LEFT TURN IND STOP LP FUSE STOPLAMP SWITCH (ON BRAKE PEDAL SUPPORT BRACKET) TR CHMSL FUSE TRAILER WIRING PROVISIONS TRL PRK FUSE RT TRN FUSE TRR TRN RT TRN FUSE TURN SIGNAL/ HAZARD FLASHER MODULE (BEHIND RIGHT SIDE OF DASH) UNDERHOOD FUSE BLOCK (TOP OF LEFT FRONT FENDER) VEH CHMSL FUSE 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

29 30 31 PNK WIRE 3-2 SOL LOW REF 5 V REF 5 V REF 5 V REF ABS FUSE 22 BATTERY CLASS 2 DATA CLASS 2 DATA LOW REF LOW REF BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CKP SIG CLSTR FUSE 11 CLUTCH PEDAL POSITION SWITCH (ON CLUTCH PEDAL SUPPORT BRACKET) CRANKSHAFT POSITION SENSOR (FRONT OF ENGINE NEAR CRANKSHAFT PULLEY) DK BLU WIRE DK GRN WIRE GRN WIRE GROUND GRY WIRE HEATED OXYGEN SENSOR (BANK 1 SENSOR 2) (IN EXHAUST, AFTER CATALYTIC CONVERTER) HOT IN OFF, RUN OR START HOT IN RUN I/P FUSE BLOCK INJ 4 CTRL INJ 5 KNOCK SENSOR (TOP REAR OF ENGINE) KS SIG LOW REF GROUND LOW REF LOW REF LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE P/N PARK/NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANSMISSION) PNK 7 8 WIRE PNK PPL WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) PPL PPL PNK WIRE PPL/WHT WIRE RED WIRE STOPLAMP SWITCH (ON BRAKE PEDAL SUPPORT BRACKET) TAN WIRE TAN/WHT WIRE TRANS SIG A TCC SW TRANS SW P CPP SW INJ 1 INJ 3 PPL TRANS SW B CMP SENS ECT SENS OFF/CRK/RUN INJ 2 INJ 6 TRANS SW B TRANS SW C IGN 1 BATTERY LOW REF WHT WIRE YEL WIRE YEL/BLK WIRE

29 30 31 PNK WIRE 3-2 SOL LOW REF 5 V REF 5 V REF 5 V REF ABS FUSE 22 BATTERY CLASS 2 DATA CLASS 2 DATA LOW REF LOW REF BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CKP SIG CLSTR FUSE 11 CLUTCH PEDAL POSITION SWITCH (ON CLUTCH PEDAL SUPPORT BRACKET) CRANKSHAFT POSITION SENSOR (FRONT OF ENGINE NEAR CRANKSHAFT PULLEY) DK BLU WIRE DK GRN WIRE GRN WIRE GROUND GRY WIRE HEATED OXYGEN SENSOR (BANK 1 SENSOR 2) (IN EXHAUST, AFTER CATALYTIC CONVERTER) HOT IN OFF, RUN OR START HOT IN RUN I/P FUSE BLOCK INJ 4 CTRL INJ 5 KNOCK SENSOR (TOP REAR OF ENGINE) KS SIG LOW REF GROUND LOW REF LOW REF LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE P/N PARK/NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANSMISSION) PNK 7 8 WIRE PNK PPL WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) PPL PPL PNK WIRE PPL/WHT WIRE RED WIRE STOPLAMP SWITCH (ON BRAKE PEDAL SUPPORT BRACKET) TAN WIRE TAN/WHT WIRE TRANS SIG A TCC SW TRANS SW P CPP SW INJ 1 INJ 3 PPL TRANS SW B CMP SENS ECT SENS OFF/CRK/RUN INJ 2 INJ 6 TRANS SW B TRANS SW C IGN 1 BATTERY LOW REF WHT WIRE YEL WIRE YEL/BLK WIRE