Chevrolet Blazer S15 (1994-1998) front axle switch Wiring diagrams

2 19 23 VEHICLE SPD OUT AXLE SW IN 4 LO REQUEST 2 HI REQUEST 4 HI REQUEST A/T ONLY BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CRANK FUSE 20 10 AMP DATA LINK CONNECTOR DK BLU/WHT WIRE DK GRN/WHT WIRE ENCODER CHANNEL A ENCODER CHANNEL B ENCODER CHANNEL C ENCODER CHANNEL D ENCODER GROUND FRONT AXLE SWITCH FUSE 19 20 AMP GAUGES FUSE 4 10 AMP GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN, BULB TEST OR START HOT IN START I/P FUSE BLOCK (LEFT END OF I/P) IND HI IND LO LT GRN WIRE M/T ONLY MOTOR CONTROL A MOTOR CONTROL B ORG/ WIRE ORG/BLK WIRE PICKUP PK LPS FUSE 3 20 AMP PNK WIRE PPL PPL/WHT WIRE RED WIRE RED/WHT WIRE TAN/BLK WIRE TRANSFER CASE (LEFT SIDE OF TRANSFER CASE) TRANSFER CASE SHIFT CONTROL MODULE (BEHIND CENTER OF I/P) TURN B/U FUSE 16 15 AMP UTILITY VEHICLE CONTROL MODULE (VCM) (RIGHT SIDE OF ENG COMPARTMENT) 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