Dodge Ram Wagon B2500 (1996-2002) lt blu Wiring diagrams

1 2 3 PRESS SW OUTPUT IGNITION A/C SWITCH SENSE A/C COMP RLY CTRL A/C PRESSURE SIG A/C SWITCH SENSE A/C COMPRESSOR A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH RELAY (IN POWER DISTRIBUTION CENTER) A/C CYCLING SWITCH (IN FRONT EVAPORATOR COIL FINS) A/C HEATER CONTROL A/C HIGH PRESSURE SWITCH (ON DISCHARGE LINE, NEAR A/C CONDENSER) A/C LOW PRESSURE SWITCH (ON SUCTION LINE, NEAR FILTER DRIER) A/C SELECT DEFROST A/C SWITCH SIGNAL AMPLIFIER BLEND AIR DOOR ACTUATOR (UNDER DASH, AT TOP RIGHT END OF DISTRIBUTION DUCT) BLK WIRE BLK/BRN WIRE BLK/VIO WIRE BLOWER MOTOR (IN ENGINE COMPART- MENT IN BLOWER HOUSING) DK BLU WIRE DK BLU/BLK WIRE DK BLU/ORG WIRE DK BLU/RED WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE FAN HIGH FUSE 5 GRN WIRE HIGH BLOWER RELAY (IN ENGINE COMPARTMENT, ON HEATER-A/C HOUSING TOP COVER) HOT AT ALL TIMES HOT AT ALL TIMES POWER DISTRIBUTION CENTER FUSE 4 HOT IN RUN JUNCTION BLOCK FUSE 2 HVAC IGNITION RUN RELAY (IN POWER DISTRIBUTION CENTER) JOINT CONNECTOR NO.1 (LEFT SIDE OF DASH) LOW MED 1 MED 2 LT BLU WIRE LT GRN/GRY WIRE LT GRN/WHT WIRE NEAR BOTTOM OF BRAKE BOOSTER) OFF REC PANEL BI-LEVEL OFF REC PANEL BI-LEVEL FLOOR MODE DE-FOG DEFROST ORG/ WIRE POWERTRAIN CONTROL MODULE (CENTER OF FIREWALL) REAR A/C REAR A/C- HEATER UNIT RED WIRE RED/VIO WIRE RED/YEL WIRE TAN WIRE VIO WIRE VIO/WHT WIRE WHT WIRE YEL WIRE

12 15 DATA LINK CONNECTOR (BELOW STEERING COLUMN) 35 36 37 LT FT DUMP VALVE CTRL ABS LAMP RELAY (POWER DISTRIBUTION CENTER) ABS POWER RELAY (POWER DISTRIBUTION CENTER) ABS WARNING LAMP ANTI-LOCK BRAKE CONTROL MODULE (UNDER BATTERY TRAY) BLK WIRE BLK/PNK WIRE BLK/RED WIRE BRAKE WARNING LAMP BRAKE WARNING LAMP SWITCH (ON BRAKE COMBINATION VALVE) BRN/TAN WIRE BRN/WHT WIRE DK BLU/WHT WIRE DK GRN/BLK WIRE DK GRN/ORG WIRE DK GRN/WHT WIRE DUMP SOL ENGINE CONTROLS (PCM FRONT HYDRAULIC VALVE (UNDER BATTERY TRAY) FUSE 17 FUSE 5 FUSE BLOCK- I/P GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN HOT IN RUN OR START IGNITION SWITCH ISOLATE SOL LEFT FRONT WHEEL SENSOR LT BLU WIRE LT BLU/BLK WIRE LT FT ISOLATE VALVE CTRL LT GRN/ORG WIRE LT GRN/RED WIRE MESSAGE CENTER OFF ORG/ WIRE PNK WIRE PNK/LT BLU WIRE POWER DISTRIBUTION CENTER FUSE 7 POWER GROUND PUMP/MOTOR CONTROL REAR HYDRAULIC VALVE (NEAR MASTER CYLINDER) REAR WHEEL ANTI-LOCK SENSOR (IN REAR DIFFERENTIAL) RED WIRE RED/DK BLU WIRE RED/DK GRN WIRE RED/GRY WIRE RED/VIO WIRE RESET SW RIGHT FRONT WHEEL SENSOR RUN WIRE STOP LAMP SWITCH (ON BRAKE PEDAL BRACKET) VIO/LT GRN WIRE VIO/RED WIRE WHT WIRE WHT/DK BLU WIRE WHT/LT BLU WIRE WHT/LT GRN WIRE WHT/PNK WIRE WHT/TAN WIRE WHT/VIO WIRE

ACCEL/ RESUME BASE OTHER BLK WIRE BLK/LT BLU WIRE BRAKE LAMP SWITCH (TOP OF BRAKE PEDAL) BRN WIRE CANCL CCD BUS (-) CLOCK- SPRING COAST COMPUTER DATA LINES SYSTEM (BEHIND LEFT SIDE OF DASH) DK BLU WIRE DK BLU/PNK WIRE DK BLU/RED WIRE DRIVER CCD DUMP FUSE BLOCK (LEFT END OF DASH) HOT IN RUN OR START FUSE 13 INSTRUMENT CLUSTER J/C 2 (LEFT CENTER OF DASH) LEFT SPEED CONTROL SWITCH LT BLU WIRE LT GRN WIRE LT GRN/RED WIRE NCA WIRE PNK 13 WIRE PNK 14 15 (HIGHLINE) (MIDLINE) WIRE PNK WIRE POWER SUPPLY SPEED CONTROL ENGAGED INDICATOR 8-BIT LOGIC POWERTRAIN CONTROL MODULE (CENTER OF FIREWALL) PWR SUPPLY RED WIRE RIGHT SPEED CONTROL SWITCH SENSOR GND SET- SPEED SW SIG TAN/RED WIRE VACUUM VACUUM SOL VEHICLE SPEED CONTROL SERVO (RIGHT SIDE OF ENGINE COMPT) (RIGHT FRONT FENDER) VENT VENT SOL VIO WIRE VIO/BRN WIRE WHT WIRE WHT/BLK WIRE WHT/LT GRN WIRE YEL/RED WIRE

3 1 5 11 RT TURN SW SEN HAZARD FLASH SIG LT TURN SW SEN GROUND PNK WIRE B(+) LEFT TURN SIG LEFT TURN SIG BACK-UP LAMPS CIRCUIT 7 4 3 2 6 5 1 BLK WIRE BLK/ORG WIRE BLK/YEL WIRE BOOSTER BREAKOUT) BRN WIRE BRN/RED WIRE CENTER HIGH MOUNTED STOP LAMP CLASS III COMBINATION FLASHER (ON RELAY & FUSE BLOCK) DK BLU WIRE DK GRN WIRE DK GRN/ORG WIRE ELECTRIC BRAKE PROVISION (LEFT OF STEERING COLUMN) FUSE 2 FUSE 3 FUSE BLOCK FUSE BLOCK FUSE 19 GRN WIRE HEADLAMP SWITCH HOT AT ALL TIMES HOT IN ACC OR RUN IGN PWR LEFT TURN SW SEN INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM J/C 3 (LEFT SIDE OF DASH) LEFT FRONT PARK/ TURN SIGNAL LAMP LEFT LICENSE LAMP RIGHT LICENSE LAMP LEFT TAIL/ STOP/ TURN SIGNAL LAMP LEFT REAR SIDE MARKER LAMP LEFT TURN IND LICENSE LAMP LT BLU WIRE LT BLU/WHT WIRE LT BLU/YEL WIRE LT GRN WIRE LT GRN/YEL WIRE MULTI- FUNCTION SWITCH NEAR BOTTOM OF BRAKE BOOSTER) OFF HEAD PARK ORG/ WIRE PNK HAZARD FLASH SIG WIRE PNK/DK BLU WIRE PNK/RED WIRE POWER DISTRIBUTION CENTER FUSE 4 RED WIRE RED/TAN WIRE RED/WHT WIRE RED/YEL WIRE RELAY & FUSE BLOCK RELAY & FUSE BLOCK FUSE 4 RIGHT FRONT PARK/ TURN SIGNAL LAMP RIGHT REAR SIDE MARKER LAMP RIGHT TAIL/ STOP/ TURN SIGNAL LAMP RIGHT TURN IND RIGHT TURN SIG RIGHT TURN SIG BRAKE LP SW OUT GROUND RT TURN SW SEN STANDARD STANDARD CLASS III STEP BUMPER STOPLIGHT SWITCH (ON BRAKE PEDAL BRACKET) TAN WIRE TAN/DK BLU WIRE TRAILER TOW CLASS III TRAILER TOW CONNECTOR (CLASS III) TRAILER TOW CONNECTOR (STANDARD) TRAILER TOW FUSE 1 TRAILER TOW FUSE 2 TRAILER TOW RELAY (IN PDC) TRAILER TOW STANDARD VIO/BLK WIRE WHT WIRE WHT/TAN WIRE YEL WIRE

A/C COMPRESSOR CLUTCH A/C HEATER CONTROL AIR BAG CONTROL MODULE BATTERY BATTERY GROUND BLK WIRE BLK/TAN WIRE BRAKE LAMP SWITCH BRAKE WARNING INDICATOR SWITCH CENTRAL TIMER MODULE CONTROLLER ANTI-LOCK BRAKE DATA LINK CONNECTOR (DLC) DAYTIME RUNNING LAMP (DRL) MODULE DK GRN WIRE ENGINE STARTER MOTOR GENERATOR HIGH BLOWER RELAY HIGH NOTE HORN INSTRUMENT CLUSTER RADIO INTERMITTENT WIPE MODULE LEFT FRONT PARK/TURN SIGNAL LAMP LEFT HEADLAMP LOW NOTE HORN LT BLU WIRE NCA WIRE NEAR BOTTOM OF BRAKE BOOSTER) OTHER PNK PNK WIRE PNK WIRE POWER DISTRIBUTION CENTER POWER OUTLET POWERTRAIN CONTROL MODULE (PCM) REAR A/C HEATER CONTROL RIGHT FRONT PARK/TURN SIGNAL LAMP RIGHT HEADLAMP SPEED CONTROL SERVO TAN WIRE TRAILER TOW RELAY UNDERHOOD LAMP VIO WIRE WASHER FLUID LEVEL SWITCH WINDSHIELD WASHER PUMP

BLK WIRE BRN WIRE DK GRN WIRE FUSE 14 FUSE 7 FUSE BLOCK HI OFF HOT AT ALL TIMES HOT IN RUN LO MED LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK WIRE REAR BLOWER MOTOR SWITCH REAR BLOWER RESISTOR BLOCK AND MOTOR REAR HEATER CONTROL LAMP REAR HEATER RELAY RED/ORG WIRE WARNING SYSTEM

ABS WARNING LAMP BLK WIRE BLK/LT GRN WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BRAKE WARNING LAMP BRAKE WARNING LAMP SWITCH (ON BRAKE COMBINATION VALVE) BRAKE WARNING SW IN DATA LINK CONNECTOR (BELOW STEERING COLUMN) DK BLU WIRE DUMP SOL FUSE 12 FUSE 15 FUSE 17 FUSE BLOCK FUSED B (+) FUSED IGNITION (RUN-ACC) GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN OR ACCESSORY HOT IN RUN OR START IGNITION SWITCH OFF ISOLATE SOL LT BLU WIRE LT GRN/BLK WIRE LT GRN/ORG WIRE MESSAGE CENTER ORG/ WIRE PARK BRAKE SWITCH (LEFT FRAME RAIL) PARK BRK WARNING DRVR PNK WIRE PNK/BLK WIRE PNK/DK BLU WIRE POWERTRAIN CONTROL MODULE (CENTER OF SAFETY WALL) REAR HYDRAULIC VALVE (AT BRAKE COMBINATION VALVE) REAR ISOLATE VALVE SOL REAR WHEEL ANTI-LOCK CONTROL MODULE (UNDER RIGHT SIDE OF I/P) REAR WHEEL ANTI-LOCK SENSOR (AT REAR DIFFERENTIAL) RED/VIO WIRE RESET SWITCH RUN WIRE RWAL DIAGNOSTICS RWAL DUMP SOLENOID RWAL RESET INPUT RWAL SENSOR RWAL WARNING LMP CTRL STOP LAMP SWITCH (ON BRAKE PEDAL BRACKET) STOPLAMP SW INPUT WHT WIRE WHT/BRN WIRE WHT/PNK WIRE WHT/VIO WIRE WIPER/ WASHER

1 2 3 4 5 6 7 8 TRANS RLY OUT A/C COMP RLY A/C CYCLING SWITCH A/C HIGH PRESSURE CUTOUT SWITCH (A/C HIGH PRESSURE LINE) A/C LOW PRESSURE CUTOUT SWITCH (A/C LOW PRESSURE LINE) A/C REQUEST A/C SELECT IN BRAKE SW IN A/C SYSTEM AIRBAG CONTROL MODULE AUTO SHT RLY CRUISE VAC SOL CRUISE VNT SOL OVERDRV IND BATT TEMP SENS GEN IND DRVR MIL IND DRVR BATTERY TEMPER- ATURE SENSOR (BELOW BATTERY) BLK WIRE BLK/LT BLU WIRE BLK/PNK WIRE BLK/RED WIRE BRN WIRE BRN/WHT WIRE CAMSHAFT POSITION SENSOR (IN DIS- TRIBUTOR) CRUISE CONTROL SYSTEM CRUISE FEED ASD RELAY SENS TRANS OVERDRV CRUISE SW IN DATA LINK CONNECTOR DK BLU/ORG WIRE DK BLU/WHT WIRE DK BLU/YEL WIRE DK GRN/ORG WIRE DUTY CYCLE/ EVAP PURGE SOLND (REAR OF INTAKE MANIFOLD) FUEL PMP RLY EVAP SOL DRVR FUSE 8 FUSE BLOCK FUSE 18 GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN OR START INSTRUMENT CLUSTER INTAKE AIR TEMPER- ATURE SENSOR (RIGHT SIDE OF INTAKE MANIFOLD) LOW FUEL SENS SCI TRANSMIT PNK WIRE LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/ORG WIRE LT GRN/RED WIRE LT GRN/WHT WIRE LT GRN/YEL WIRE MIL IND ORG/ WIRE ORG/BLK WIRE ORG/DK BLU WIRE ORG/WHT WIRE OVERDRIVE SWITCH PNK/BLK WIRE PNK/WHT WIRE PNK/YEL WIRE POWER DISTRI- BUTION CENTER POWERTRAIN CONTROL MODULE (RIGHT SIDE SAFETY WALL) PPL/LT BLU WIRE PPL/WHT WIRE RED/WHT WIRE SCI RECEIVE SENSOR GRD GOV PRESS SIG VAR FORCE SOL OVERDRV SOL TCC SOL CTRL TRANS TEMP SNS STARTING/ CHARGING SYSTEM (GEN. LAMP) STOP LAMP SWITCH TAN/BLK WIRE TAN/RED WIRE TAN/YEL WIRE THROTTLE POSITION SENSOR (SIDE OF THROTLLE BODY) TRANS- MISSION RELAY TRANSMISSION SOLENOID ASSEMBLY (TRANSMISSION) VEHICLE SPEED SENSOR WHT/LT GRN WIRE WHT/PNK WIRE YEL/RED WIRE

5.2L, 5.9L CALI 5.9L FED 5.9L FED 5.9L FED OTHERS BLK WIRE BLK/DK GRN WIRE BLK/LT BLU WIRE BLK/RED WIRE BRN WIRE BRN/WHT WIRE CRANKSHAFT POSITION SENSOR (ON TOP OF ENG BLOCK, NEAR REAR OF CYLINDER HEAD) CRUISE CONTROL SYSTEM (CLOCKSPRING) DK BLU WIRE DK BLU/YEL WIRE DK GRN/BLK WIRE DK GRN/ORG WIRE DK GRN/RED WIRE DK GRN/WHT WIRE ENGINE OIL PRESSURE SWITCH (ON REAR OF ENG, TO RIGHT OF DISTRIBUTOR) FUEL PUMP MODULE (ON TOP OF FUEL TANK) FUSE 18 FUSE 17/18 FUSE 19/20 GENERATOR GRN WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE GRY/YEL WIRE HEATED OXYGEN SENSOR 11 HEATED OXYGEN SENSOR 12 HEATED OXYGEN SENSOR 22 HOT AT ALL TIMES IDLE AIR CONTROL MOTOR (ON THROTTLE BODY ASSEMBLY) INTAKE AIR TEMPERATURE SENSOR (ON FRONT/SIDE OF INTAKE MANIFOLD) LT BLU WIRE LT BLU/BLK WIRE LT GRN/PNK WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR (ON THROTTLE BODY ASSEMBLY) NCA WIRE ORG/ WIRE ORG/DK BLU WIRE ORG/DK GRN WIRE ORG/RED WIRE OTHERS PNK 9 10 WIRE PNK WIRE PNK/WHT WIRE POWER DISTRIBUTION CENTER RED WIRE TAN/BLK WIRE TAN/WHT WIRE TAN/YEL WIRE VIO/BLK WIRE VIO/ORG WIRE VIO/TAN WIRE WHT WIRE WHT/DK BLU WIRE YEL/BLK WIRE

5.2L, 5.9L CALI 5.9L FED 5.9L FED 5.9L FED OTHERS BLK WIRE BLK/DK GRN WIRE BLK/LT BLU WIRE BLK/RED WIRE BRN WIRE BRN/WHT WIRE CRANKSHAFT POSITION SENSOR (ON TOP OF ENG BLOCK, NEAR REAR OF CYLINDER HEAD) CRUISE CONTROL SYSTEM (CLOCKSPRING) DK BLU WIRE DK BLU/YEL WIRE DK GRN/BLK WIRE DK GRN/ORG WIRE DK GRN/RED WIRE DK GRN/WHT WIRE ENGINE OIL PRESSURE SWITCH (ON REAR OF ENG, TO RIGHT OF DISTRIBUTOR) FUEL PUMP MODULE (ON TOP OF FUEL TANK) FUSE 18 FUSE 17/18 FUSE 19/20 GENERATOR GRN WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE GRY/YEL WIRE HEATED OXYGEN SENSOR 11 HEATED OXYGEN SENSOR 12 HEATED OXYGEN SENSOR 22 HOT AT ALL TIMES IDLE AIR CONTROL MOTOR (ON THROTTLE BODY ASSEMBLY) INTAKE AIR TEMPERATURE SENSOR (ON FRONT/SIDE OF INTAKE MANIFOLD) LT BLU WIRE LT BLU/BLK WIRE LT GRN/PNK WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR (ON THROTTLE BODY ASSEMBLY) NCA WIRE ORG/ WIRE ORG/DK BLU WIRE ORG/DK GRN WIRE ORG/RED WIRE OTHERS PNK 9 10 WIRE PNK WIRE PNK/WHT WIRE POWER DISTRIBUTION CENTER RED WIRE TAN/BLK WIRE TAN/WHT WIRE TAN/YEL WIRE VIO/BLK WIRE VIO/ORG WIRE VIO/TAN WIRE WHT WIRE WHT/DK BLU WIRE YEL/BLK WIRE