Dodge Ram Wagon B2500 (1996-2002) engine controls system Wiring diagrams

AUTOMATIC SHUTDOWN, FUEL PUMP RELAYS, DUTY CYCLE EVAP/ PURGE SOLENOID) BLK WIRE ENGINE CONTROLS SYSTEM FUSE 9 HOT IN RUN OR START JUNCTION BLOCK LT GRN WIRE LT GRN/BLK WIRE ORG/BLK WIRE POWERTRAIN CONTROL MODULE (CENTER OF FIREWALL) TCC CTRL TORQUE CONVERTER CLUTCH SOLENOID (ON LEFT SIDE OF TRANSMISSION)

5 VOLT SUPPLY SENSOR GROUND AUTOMATIC SHUTDOWN RELAY BLK WIRE BLK/LT BLU WIRE BLK/TAN WIRE BLU WIRE BRN WIRE BRN/YEL WIRE CCD (+) CCD BUS(-) DK BLU WIRE DK BLU/BLK WIRE ECT SIG ENGINE CONTROLS SYSTEM FUSE 11 FUSE 9 FUSED (B+) TPS SIG GROUND GROUND GENERATOR GOVERNOR PRESSURE SIGNAL GRN WIRE GRY WIRE GRY/BLK WIRE HOT IN RUN, START IGN SENSOR GND PNP SW SENSE INSTRUMENT CLUSTER JUNCTION BLOCK LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/ORG WIRE LT GRN/RED WIRE LT GRN/WHT WIRE MIL IND ORG/ WIRE ORG/BLK WIRE ORG/DK BLU WIRE ORG/DK GRN WIRE ORG/WHT WIRE OVERDRIVE LAMP OVERDRIVE SOLENOID CONTROL OVERDRIVE SWITCH PNK 5 WIRE PNK WIRE POWER SUPPLY POWERTRAIN CONTROL MODULE (CENTER OF FIREWALL) RED WIRE RED/WHT WIRE TAN/BLK WIRE TORQUE CONVERTER CLUTCH SOLENOID CONTROL TRANSMISSION RELAY OUTPUT TRANSMISSION SOLENOID ASSEMBLY (ON LEFT SIDE OF TRANSMISSION) TRANSMISSION TEMPERATURE SENSOR SIGNAL VARIABLE FORCE SOLENOID CONTROL VIO WIRE VIO/BRN WIRE VIO/LT BLU WIRE VIO/WHT WIRE WARNING LAMP DRIVE WHT WIRE WHT/BLK WIRE WHT/ORG WIRE WHT/PNK WIRE

7 6 5 4 PNK WIRE AUTOMATIC SHUTDOWN RELAY BLK WIRE BLK/LT BLU WIRE BLK/TAN WIRE BLK/VIO WIRE BLU WIRE BRN WIRE BRN/YEL WIRE CLOSED IN P&N POSITIONS DATA LINK CONNECTOR (BELOW STEERING COLUMN) DK BLU WIRE DK BLU/BLK WIRE DK GRN WIRE ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR (IN WATER JACKET AT FRONT OF INTAKE MANIFOLD) FUSE 14 FUSE 17/18 GRN WIRE HOT AT ALL TIMES JUNCTION BLOCK LT BLU WIRE LT GRN WIRE LT GRN/WHT WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR ORG/ WIRE ORG/DK BLU WIRE ORG/DK GRN WIRE OTHERS OUTPUT SHAFT SPEED SENSOR (ON BOTTOM OF TRANSMISSION) PARK/NEUTRAL POSITION SWITCH (ON LEFT LOWER SIDE OF TRANSMISSION) PNK 1 WIRE PNK WIRE POWER AMPLIFIER POWER DISTRIBUTION CENTER RED WIRE RED/WHT WIRE STARTING/ CHARGING SYSTEM (ENGINE STARTER MOTOR RELAY) STOP LAMP SW SENSE STOP LAMP SWITCH (ON BRAKE PEDAL BRACKET) TAN WIRE TAN/BLK WIRE THROTTLE POSITION SENSOR (ON THROTTLE BODY ASSEMBLY) TRANSMISSION RELAY (IN PDC) VIO WIRE VIO/BRN WIRE VIO/LT BLU WIRE VIO/WHT WIRE VSS SIG W/ POWER AMPLIFIER WHT WIRE WHT/BLK WIRE WHT/ORG WIRE WHT/PNK WIRE YEL WIRE

7 6 5 PNK WIRE BLK WIRE BLK/LT BLU WIRE BLK/VIO WIRE BLU WIRE BRAKE LAMP SW BRAKE LAMP SWITCH (ON BRAKE PEDAL BRACKET) BRN WIRE BRN/YEL WIRE DATA LINK CONNECTOR (BELOW STEERING COLUMN) DK BLU WIRE DK BLU/BLK WIRE DK GRN WIRE DK GRN/BLK WIRE ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR (IN WATER JACKET AT FRONT OF INTAKE MANIFOLD) FUSE 14 FUSE 17/18 FUSE BLOCK (ON LEFT END OF DASH) GENERATOR, LEAK DETECTION PUMP GRN WIRE HOT AT ALL TIMES LT GRN WIRE LT GRN/WHT WIRE NEAR BOTTOM OF BRAKE BOOSTER) ORG/ WIRE ORG/DK BLU WIRE OUTPUT SPEED SENSOR (ON TRANSMISSION OVERDRIVE CASE) P/N PNK 6 WIRE PNK WIRE POWER DISTRIBUTION CENTER (IN ENGINE COMPT, NEXT TO BATTERY) RED WIRE STARTING/ CHARGING SYSTEM (ENGINE STARTER MOTOR RELAY) TAN/BLK WIRE THROTTLE POSITION SENSOR (ON THROTTLE BODY ASSEMBLY) TRANSMISSION CONTROL RELAY (IN PDC) TRANSMISSION RANGE SENSOR (ON LOWER LEFT SIDE OF TRANSMISSION) VIO WIRE VIO/BRN WIRE VSS SIG W/ AMPLIFIER WHT WIRE WHT/BLK WIRE WHT/DK BLU WIRE WHT/ORG WIRE WHT/PNK WIRE YEL WIRE

7 6 5 PNK WIRE BLK WIRE BLK/LT BLU WIRE BLK/VIO WIRE BLU WIRE BRAKE LAMP SW BRAKE LAMP SWITCH (ON BRAKE PEDAL BRACKET) BRN WIRE BRN/YEL WIRE DATA LINK CONNECTOR (BELOW STEERING COLUMN) DK BLU WIRE DK BLU/BLK WIRE DK GRN WIRE DK GRN/BLK WIRE ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR (IN WATER JACKET AT FRONT OF INTAKE MANIFOLD) FUSE 14 FUSE 17/18 FUSE BLOCK (ON LEFT END OF DASH) GENERATOR, LEAK DETECTION PUMP GRN WIRE HOT AT ALL TIMES LT GRN WIRE LT GRN/WHT WIRE NEAR BOTTOM OF BRAKE BOOSTER) ORG/ WIRE ORG/DK BLU WIRE OUTPUT SPEED SENSOR (ON TRANSMISSION OVERDRIVE CASE) P/N PNK 6 WIRE PNK WIRE POWER DISTRIBUTION CENTER (IN ENGINE COMPT, NEXT TO BATTERY) RED WIRE STARTING/ CHARGING SYSTEM (ENGINE STARTER MOTOR RELAY) TAN/BLK WIRE THROTTLE POSITION SENSOR (ON THROTTLE BODY ASSEMBLY) TRANSMISSION CONTROL RELAY (IN PDC) TRANSMISSION RANGE SENSOR (ON LOWER LEFT SIDE OF TRANSMISSION) VIO WIRE VIO/BRN WIRE VSS SIG W/ AMPLIFIER WHT WIRE WHT/BLK WIRE WHT/DK BLU WIRE WHT/ORG WIRE WHT/PNK WIRE YEL WIRE

7 6 5 PNK WIRE BLK WIRE BLK/LT BLU WIRE BLK/VIO WIRE BLU WIRE BRAKE LAMP SW BRAKE LAMP SWITCH (ON BRAKE PEDAL BRACKET) BRN WIRE BRN/YEL WIRE DATA LINK CONNECTOR (BELOW STEERING COLUMN) DK BLU WIRE DK BLU/BLK WIRE DK GRN WIRE DK GRN/BLK WIRE ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR (IN WATER JACKET AT FRONT OF INTAKE MANIFOLD) FUSE 14 FUSE 17/18 FUSE BLOCK (ON LEFT END OF DASH) GENERATOR, LEAK DETECTION PUMP GRN WIRE HOT AT ALL TIMES LT GRN WIRE LT GRN/WHT WIRE NEAR BOTTOM OF BRAKE BOOSTER) ORG/ WIRE ORG/DK BLU WIRE OUTPUT SPEED SENSOR (ON TRANSMISSION OVERDRIVE CASE) P/N PNK 6 WIRE PNK WIRE POWER DISTRIBUTION CENTER (IN ENGINE COMPT, NEXT TO BATTERY) RED WIRE STARTING/ CHARGING SYSTEM (ENGINE STARTER MOTOR RELAY) TAN/BLK WIRE THROTTLE POSITION SENSOR (ON THROTTLE BODY ASSEMBLY) TRANSMISSION CONTROL RELAY (IN PDC) TRANSMISSION RANGE SENSOR (ON LOWER LEFT SIDE OF TRANSMISSION) VIO WIRE VIO/BRN WIRE VSS SIG W/ AMPLIFIER WHT WIRE WHT/BLK WIRE WHT/DK BLU WIRE WHT/ORG WIRE WHT/PNK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 REAR WHEEL SENSOR (+) BLK WIRE BLK/PNK WIRE BRAKE LAMP SWITCH (ON BRAKE PEDAL BRACKET) BRAKE WARNING INDICATOR SWITCH (NEAR MASTER CYLINDER, IN COMBINATION VALVE) CCD BUS (+) IGN SW OUTPUT (RUN) CCD BUS (-) CCD BUS (+) DATA LINK CONNECTOR (BELOW STEERING COLUMN) ENGINE CONTROLS SYSTEM FUSE 11 FUSE 16 FUSE BLOCK (ON LEFT END OF DASH) GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN POWER DISTRIBUTION CENTER (NEXT TO BATTERY) POWERTRAIN CONTROL MODULE (CENTER OF FIREWALL) REAR WHEEL SPEED SENSOR (IN DIFFERENTIAL HOUSING) RED WIRE RED/DK BLU WIRE RED/DK GRN WIRE RED/VIO WIRE VEHICLE SPEED SIG VIO/BRN WIRE WHT WIRE WHT/BLK WIRE WHT/DK BLU WIRE WHT/ORG WIRE WHT/PNK WIRE WHT/VIO WIRE

025.6 10 3 12 CCD (+) CCD (-) VSS OUT 15 14 (MIDLINE) (HIGHLINE) 21 22 CCD (+) CCD (-) ABS WARNING LAMP IND AIR BAG CONTROL MODULE (BELOW DRIVER SEAT) AIR BAG IND BLK WIRE BLK/DK GRN WIRE BLK/GRY WIRE BLK/LT BLU WIRE BLK/WHT WIRE BLK/YEL WIRE CCD (+) CCD (-) FUEL LVL O/D OFF CCD BUSS (-) CHECK ENGINE IND CHECK GAUGES IND CLOCK CLUSTER ILLUMINATION (4 BULBS) COMPUTER DATA LINES CONTROLLER ANTI-LOCK BRAKE (NEAR WASHER RESERVOIR, ON HYDRAULIC UNIT) COOLANT TEMP GAUGE CRUISE IND DK BLU WIRE DK BLU/PNK WIRE DK BLU/WHT WIRE DK GRN WIRE ECT IN ENGINE CONTROLS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM FUEL GAUGE FUSE 1 FUSE 2 FUSE 3 FUSE BLOCK (LEFT END OF DASH) FUSE 7 GRY/YEL WIRE HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HI-BEAM IND HOT AT ALL TIMES HOT IN PARK OR HEAD HOT IN RUN OR START IGNITION SWITCH INSTRUMENT CLUSTER INTERIOR LIGHTS SYSTEM 1 2 3 4 5 6 7 8 9 10 J/C 2 (LEFT SIDE OF DASH) PNK WIRE J/C 4 (LEFT SIDE OF DASH) J/C 2 (LEFT SIDE OF DASH) JUNCTION BLOCK LEFT TURN IND LOCK OFF LOW FUEL WARN IND LOW WASH FLUID IND LT BLU WIRE LT BLU/BLK WIRE LT GRN/RED WIRE LT GRN/YEL WIRE NCA WIRE ODOMETER OIL PRESSURE GAUGE ORG/ WIRE ORG/WHT WIRE OVERDRIVE IND OVERDRIVE SWITCH PARK BRAKE IND PNK EXCEPT BASE BASE WIRE PNK WIRE PNK/WHT WIRE POWER DISTRIBUTION CENTER (NEXT TO BATTERY) POWERTRAIN CONTROL MODULE (CENTER OF FIREWALL) PRNDL RED WIRE RED/GRY WIRE RELAY & FUSE FUSE BLOCK (LEFT END OF DASH) RIGHT TURN IND RUN WIRE SEAT BELT WARN IND SENS RTN SOLID STATE GAUGE AND INDICATOR DRIVER MODULE SPEEDOMETER TAN/BLK WIRE TAN/DK BLU WIRE TRANSMISSION RANGE SENSOR (LEFT SIDE OF TRANSMISSION) TRIP ODOMETER VIO/BRN WIRE VOLTMETER VSS IN OIL PRSS VTSS IND W/ DRL ONLY WHT WIRE WHT/BLK WIRE WHT/ORG WIRE WHT/PNK WIRE YEL WIRE YEL/ORG WIRE YEL/RED WIRE

AUTOMATIC SHUT DOWN RELAY BATTERY BLK WIRE BRN WIRE COIL CONTROLLER ANTI-LOCK BRAKE DAYTIME RUNNING LAMP MODULE DK BLU WIRE DK GRN WIRE ELECTRIC BRAKE PROVISION ENGINE CONTROLS SYSTEM ENGINE STARTER MOTOR RELAY ENGINE STARTER MOTOR TRAILER TOW STANDARD EXCEPT CALIFORNIA FROM FUSE 11 (DIAGRAM 1 OF 3) FUSE 11 FUSE 12 FUSE 14 FUSE 16 FUSE 13 FUSE 15 FUSE 17/18 FUSE 19/20 FUSE 21/22 FUSE 3 FUSE 4 FUSE 5 FUSE 6 FUSE 7 FUSE 8 FUSE 9/10 GENERATOR GRN WIRE GRY WIRE HEADLAMP RELAY HEADLAMP SWITCH HIGHLINE OTHER J/C 4 (LEFT SIDE OF DASH) OF BRAKE BOOSTER) (NEAR BREAKOUT FOR WINDSHIELD WASHER PUMP) ORG/ WIRE OXYGEN SENSOR 1/1 UPSTREAM OXYGEN SENSOR 1/1 UPSTREAM OXYGEN SENSOR 2/1 UPSTREAM OXYGEN SENSOR DOWNSTREAM RELAY OXYGEN SENSOR-1/2 DOWNSTREAM PNK WIRE POWER DISTRIBUTION CENTER (IN ENGINE COMPARTMENT, NEXT TO BATTERY) POWERTRAIN CONTROL MODULE REAR A/C- HEATER UNIT REAR WINDOW DEFOGGER SWITCH RED WIRE RED/YEL WIRE RELAY & FUSE BLOCK (ON LEFT END OF DASH) STOPLIGHT SWITCH TAN WIRE TO FUSE 6 (DIAGRAM 1 OF 3) TO FUSE BLOCK (FUSE 15) DIAGRAM 3 OF 3) TO FUSE BLOCK (FUSE 20) DIAGRAM 3 OF 3) TO IGNITION SWITCH (DIAGRAM 2 OF 3) TO IGNITION SWITCH (DIAGRAM 2 OF 3) TO IGNITION SWITCH (DIAGRAM 2 OF 3) TRAILER TOW CLASS III TRAILER TOW RELAY VAN CONVERSION ACCESSORY POWER RELAY VAN CONVERSION PROVISION VIO WIRE VIO/ORG WIRE WHT WIRE YEL WIRE