Dodge Caravan III (1995-2000) a/c heater control module Wiring diagrams

2.4L 3.0L A/C HEATER CONTROL MODULE A/C ON INDICATOR A/C ON/ OFF SIGNAL RECIRC MODE INDICATOR A/C PRES IN A/C PRESSURE TRANSDUCER (RIGHT REAR OF ENGINE) A/C SWITCH A/C SWITCH SIGNAL AC SW INPUT BLK WIRE BLK/LT BLU WIRE BLK/LT GRN WIRE BLK/TAN WIRE BLK/WHT WIRE BRN/PNK WIRE CCD BUS (-) DATA LINK CONNECTOR (LEFT SIDE OF STEERING COLUMN) DEFOGGER SYSTEM DK BLU WIRE DK BLU/GRY WIRE DK BLU/ORG WIRE DK BLU/PNK WIRE DK BLU/RED WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/YEL WIRE DRIVER COMMON DRIVER COMMON DRIVER FEEDBACK SIGNAL DRIVER DRIVER FEEDBACK SIGNAL SENSOR GROUND DRIVER FEEDBACK SIGNAL ELECT WIPE DE-ICE DRIVER REAR WIPE/ WASH MUX A/C INDIC DRIVER ELECTRIC WIPER DE-ICER FRONT BLOWER CONTROL SWITCH FRONT BLOWER INPUT HI FRONT BLOWER MOTOR FRONT BLOWER MOTOR RELAY FRONT BLOWER MOTOR RESISTOR BLOCK (RIGHT REAR OF ENGINE COMPT) FUSE 21 GROUND GRY/DK BLU WIRE HOT AT ALL TIMES HVAC CONTROL IGNITION ILLUMINATION INDIC DRIVER LEFT TEMP CONTROL LEFT TEMP CONTROL SWITCH LT BLU WIRE LT GRN WIRE LT GRN/DK BLU WIRE MODE SELECT MODE SELECT SWITCH CCD BUS + OFF LO ORG/ WIRE PNK/DK BLU WIRE POWER DISTRIBUTION CENTER POWERTRAIN CONTROL MODULE (LEFT FRONT FENDER) REAR DEFOG ON SWITCH REAR WIPER/ WASHER CONTROLS RECIRC MODE SWITCH RED WIRE RED/WHT WIRE RELAY CONTROL RIGHT TEMP CONTROL RIGHT TEMP CONTROL SWITCH SENS GROUND SENSOR SIGNAL SWITCH SENSE REAR DEFOG SWITCH SWITCH SENSE RELAY CONTROL TAN WIRE TAN/BLK WIRE VIO/BRN WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/RED WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/WHT WIRE

3.8L ONLY A/C HEATER CONTROL MODULE BLK WIRE CENTER HIGH MOUNTED STOP LAMP CLOCKSPRING CONTROLLER ANTI-LOCK BRAKE DATA LINK CONNECTOR DK GRN WIRE FRONT CIGAR LIGHTER FUEL PUMP MODULE HEADLAMP DIMMER SWITCH IGNITION SWITCH INSTRUMENT CLUSTER LEFT COMBIN- ATION RELAY LEFT DOOR SPEAKER LEFT LIFTGATE FLOOD LAMP RIGHT LIFTGATE FLOOD LAMP REAR WIPER MOTOR LEFT POWER MIRROR LEFT QUARTER PANEL) LEFT REAR LAMP ASSEMBLY LEFT REAR LAMP ASSEMBLY TRAILER TOW CON- NECTOR RIGHT REAR LAMP ASSEMBLY LEFT REAR SPEAKER LEFT SPEED CONTROL SWITCH LEFT STOP/TURN SIGNAL RELAY LICENSE LAMP LIFTGATE AJAR SWITCH LIFTGATE ARM/DISARM SWITCH LT GRN WIRE NCA WIRE RADIO REAR BLOWER FRONT CONTROL SWITCH REAR BLOWER REAR CONTROL SWITCH REAR CIGAR LIGHTER/ POWER OUTLET REAR WINDOW DEFOGGER REMOTE KEYLESS ENTRY MODULE RIGHT COMBIN- ATION RELAY (3.8L) ALL WHEEL DRIVE SOLENOID RIGHT DOOR SPEAKER RIGHT POWER MIRROR RIGHT REAR DOOR AJAR SWITCH LEFT REAR DOOR AJAR SWITCH RIGHT REAR LAMP ASSEMBLY RIGHT REAR SPEAKER RIGHT SPEED CONTROL SWITCH RIGHT STOP/TURN SIGNAL RELAY W/ PREMIUM SYSTEM W/O TRAILER TOW W/ TRAILER TOW WHT WIRE

A/C HEATER CONTROL MODULE ASH RECEIVER LAMP BLK WIRE BLK/YEL WIRE BODY CONTROL MODULE STEP DIM SWITCH SIGNAL BRN WIRE BRN/LT GRN WIRE BRN/WHT WIRE CLUSTER ILLUM (7 BULBS) DIM INPUT HEADLAMP SWITCH INSTRUMENT CLUSTER JUNCTION BLOCK (BEHIND LEFT SIDE OF DASH) LAMPS ON SWITCH LEFT POWER WINDOW SWITCH LEFT QUARTER PANEL) LEFT REAR DOOR AJAR SWITCH LEFT VISOR VANITY MIRROR LAMP LT BLU/PNK WIRE LT GRN WIRE ORG/ WIRE ORG/BLK WIRE PANEL LAMPS PANEL LAMPS DRIVER PNK/VIO WIRE POWER MIRROR SWITCH RADIO READING DEFEAT SWITCH INTERIOR LAMPS ON SWITCH REAR BLOWER FRONT CONTROL SWITCH REAR BLOWER REAR CONTROL SWITCH RIGHT POWER DOOR LOCK SWITCH RIGHT POWER WINDOW SWITCH RIGHT REAR DOOR AJAR SWITCH RIGHT VISOR VANITY MIRROR LAMP TAN/ORG WIRE TAN/YEL WIRE TRACTION CONTROL SWITCH W/ OVERHEAD CONSOLE W/O OVERHEAD CONSOLE YEL/BLK WIRE

A/C HEATER CONTROL MODULE BATTERY BLK WIRE BLK/ORG WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE BRN WIRE CIGAR/ ACCESSORY RELAY POWER DISTRIBUTION CENTER CONTROLLER ANTI-LOCK BRAKE DK BLU WIRE DK DK DK GRN WIRE ENGINE STARTER MOTOR ENGINE STARTER MOTOR RELAY FROM JUNCTION BLOCK FRONT BLOWER MOTOR FRONT BLOWER MOTOR RELAY FRONT WASHER MOTOR REAR WASHER MOTOR FRONT WIPER SWITCH FUSE 19 FUSE 2 FUSE 20 FUSE 21 FUSE 22 FUSE 23 FUSE 24 FUSE 25 FUSE 26 FUSE 27 FUSE 6 FUSE 8 FUSE 9 FUSIBLE LINK (10 GA- GENERATOR GRY WIRE IGNITION SWITCH JUNCTION BLOCK LEFT POWER WINDOW SWITCH LOCK OFF NAME BRAND SPEAKER RELAY NCA WIRE PARK LAMP RELAY PNK (DOME HARN, NEAR RIGHT "B" PILLAR) WIRE PNK PNK PNK WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION CENTER PTC 7 PTC 8 PTC 9 RADIATOR FAN RELAY RADIO AUTO- MATIC DAY/NIGHT MIRROR ELECTRIC WIPER DE-ICER REAR WINDOW DEFOGGER RELAY REAR WIPER MOTOR OVERHEAD CONSOLE MESSAGE CENTER RED WIRE RIGHT POWER WINDOW SWITCH RUN WIRE SPARE RELAY TAN WIRE TO FUSE 10 (JUNCTION BLOCK) (DIAGRAM 3 OF 3) TO FUSE 11 (JUNCTION BLOCK) (DIAGRAM 3 OF 3) TO FUSE 28 TO PTC 1 (DIAGRAM 3 OF 3) TO PTC 3 (JUNCTION BLOCK) (DIAGRAM 3 OF 3) TRANS- MISSION CONTROL MODULE INSTRU- MENT CLUSTER VIO WIRE WHT WIRE WIPER ON RELAY YEL WIRE

3.0L EXCEPT 3.0L A/C HEATER CONTROL MODULE AIRBAG CONTROL MODULE BLK WIRE BLK/ORG WIRE BRN WIRE CIRCUIT BREAKER COMBINATION FLASHER/ DRL MODULE (CANADA) CONTROLLER ANTI-LOCK BRAKE DK BLU WIRE DOOR LOCK RELAY DOOR UNLOCK RELAY DRIVER HEATED SEAT SWITCH ENGINE STARTER MOTOR RELAY FROM FUSE 26 (PDC) (DIAGRAM 1 OF 3) FROM FUSE 6 (DIAGRAM 1 OF 3) FROM IGNITION SWITCH (RUN) (DIAGRAM 1 OF 3) FROM IGNITION SWITCH (START) (DIAGRAM 1 OF 3) FRONT BLOWER MOTOR RELAY FUEL PUMP RELAY FUSE 1 FUSE 10 FUSE 11 FUSE 12 FUSE 2 FUSIBLE LINK JUNCTION BLOCK LEFT FRONT DOOR UNLOCK RELAY (W/ RKE) LT GRN WIRE MEMORY SEAT, MIRROR MODULE NCA WIRE ORG/ WIRE PASSENGER HEATED SEAT MODULE PASSENGER HEATED SEAT SWITCH PASSENGER POWER SEAT SWITCH PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION CENTER POWERTRAIN CONTROL MODULE PTC 1 PTC 3 + REAR A/C- HEATER UNIT REAR WINDOW DEFOGGER RELAY RED WIRE SPARE RELAY TAN WIRE TO ENGINE CONTROLS SYSTEM TO IGNITION SWITCH (PIN 3) (DIAGRAM 1 OF 3) TRANSMISSION CONTROL MODULE TRANSMISSION RANGE SENSOR W/ HEATED SEATS ONLY WHT WIRE YEL WIRE

1 2 3 SENSE GRD 5 VOLTS SIG SW 8 VOLT SUPPLY A/C COMPRESSOR CLUTCH RELAY A/C HEATER CONTROL MODULE A/C PRESSURE TRANSDUCER (RIGHT REAR OF ENG COMPT) BLK/LT BLU WIRE BLK/TAN WIRE BLK/WHT WIRE BODY CONTROL MODULE BRN WIRE BRN/WHT WIRE CAMSHAFT POSITION SENSOR (ON REAR OF CYLINDER HEAD) CCD BUS (-) CLOCKSPRING (CRUISE CONTROL SYSTEM) CRANKSHAFT POSITION SENSOR (ON TRANS- MISSION BELL HOUSING) CURRENT SENSE STROKE SENSOR RAD FAN RLY CTRL FUEL PMP RLY CTRL SCI RECEIVE DATA LINK CONNECTOR (PARTIAL) (BELOW LEFT SIDE OF DASH) DK BLU WIRE DK BLU/BLK WIRE DK BLU/ORG WIRE DK BLU/YEL WIRE DK GRN WIRE EVAP/PURGE SOLENOID (ON RIGHT SIDE OF ENG COMPT) GND SPD SENS GRY/BLK WIRE GRY/RED WIRE IAC MOTOR NO. 3 DRIVER IAC MOTOR NO. 2 DRIVER GROUND IDLE AIR CONTROL MOTOR (ON THROTTLE BODY) IAC MOTOR DRIVERS INPUT SPEED JUNCTION BLOCK (BEHIND LEFT SIDE OF DASH) LT GRN WIRE LT GRN/DK BLU WIRE LT GRN/RED WIRE LT GRN/WHT WIRE ORG/ WIRE ORG/BLK WIRE ORG/DK BLU WIRE OUTPUT SPEED (+) PARK/NEUTRAL POSITION SWITCH (ON TRANS- MISSION) P/N PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MNODULE (LEFT FENDER SIDE SHIELD) RADIATOR FAN RELAY RED/BLK WIRE RED/LT GRN WIRE RED/WHT WIRE SC VENT SOL CTRL SCI TRANSMIT SENSOR GND SENSOR SIGNAL SIGNAL CKP SIGNAL SENSOR SIGNAL TPS SOLENOID CTRL TCC SOLENOID (ATX ONLY) SPEED INPUT STOP LAMP SWITCH (CRUISE CONTROL SYSTEM) SUPPLY 8 VOLT TAN/RED WIRE TAN/WHT WIRE TAN/YEL WIRE TORQ REQ SENSE TRANSMISSION CONTROL MODULE (RIGHT SIDE OF ENG COMPT) TRANSMISSION RANGE SENSOR (ON TOP OF TRANSMISSION) P/N VEHICLE SPEED CONTROL SERVO VEHICLE SPEED SENSOR (W/O EATX) (ON RIGHT SIDE OF TRANSMISSION) VIO WIRE VIO/BLK WIRE VIO/BRN WIRE VIO/RED WIRE VIO/WHT WIRE VSS SIGNAL W/ ATX W/ EAT ONLY W/ EATX W/O EATX W/O EATX ONLY WHT WIRE WHT/BLK WIRE WHT/DK GRN WIRE WHT/ORG WIRE WHT/PNK WIRE YEL/BLK WIRE YEL/DK GRN WIRE

A/C COMPRESSOR CLUTCH RELAY A/C HEATER CONTROL MODULE A/C PRESSURE TRANSDUCER (RIGHT REAR OF ENG COMPT) BLK/LT BLU WIRE BLK/TAN WIRE BLK/WHT WIRE BODY CONTROL MODULE BRN WIRE BRN/WHT WIRE CAMSHAFT POSITION SENSOR (IN DISTRIBUTOR) CCD BUS (-) CLOCKSPRING (CRUISE CONTROL SYSTEM) CRANKSHAFT POSITION SENSOR (ON TRANSMISSION BELL HOUSING) DATA LINK CONNECTOR (PARTIAL) (BELOW LEFT SIDE OF DASH) DK BLU WIRE DK BLU/ORG WIRE DK BLU/YEL WIRE DK GRN WIRE DK GRN/ORG WIRE EVAP LEAK DETECTION PUMP (LEFT SIDE OF CROSSMEMBER) FIRING ORDER 1-2-3-4-5-6 GRY WIRE GRY/BLK WIRE GRY/RED WIRE IAC MOTOR NO. 3 DRIVER IAC MOTOR NO. 2 DRIVER GROUND IDLE AIR CONTROL MOTOR (ON THROTTLE BODY) IAC MOTOR DRIVERS IGNITION COIL (TOP OF RIGHT VALVE COVER) JUNCTION BLOCK (BEHIND LEFT SIDE OF DASH) LT GRN WIRE LT GRN/DK BLU WIRE LT GRN/RED WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PARK/ NEUTRAL POSITION SWITCH P/N PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (LEFT FENDER SIDE SHIELD) RADIATOR FAN RELAY RED/LT GRN WIRE RED/WHT WIRE SC VENT SOL CTRL SIGNAL SENSOR SOL CTRL START) (RUN/ IGN SW STOP LAMP SWITCH (CRUISE CONTROL SYSTEM) STROKE SENSE SUPPLY 8 VOLT TAN/RED WIRE TAN/WHT WIRE TAN/YEL WIRE VEHICLE SPEED CONTROL SERVO VEHICLE SPEED SENSOR (ON TRANSMISSION) VIO/BLK WIRE VIO/BRN WIRE VIO/WHT WIRE WHT/BLK WIRE WHT/DK GRN WIRE WHT/ORG WIRE WHT/PNK WIRE YEL/BLK WIRE

A/C HEATER CONTROL MODULE A/C ON/OFF SW SIG AUTOMATIC SHUT DOWN RELAY BATTERY BLK WIRE BLK/DK GRN WIRE BLK/LT BLU WIRE BLK/PNK WIRE BLK/TAN WIRE BODY CONTROL MODULE (JUNCTION BLOCK) BRN WIRE BRN/DK BLU WIRE BRN/PNK WIRE DK BLU WIRE DK BLU/LT GRN WIRE DK BLU/TAN WIRE DK BLU/YEL WIRE DK GRN WIRE DK GRN/ORG WIRE DK GRN/RED WIRE DK GRN/WHT WIRE DOWNSTREAM HEATED OXYGEN SENSOR (FRONT CENTER OF FLOOR PAN, IN EXHAUST PIPE) EGR SOLENOID CTRL ENG STARTER MTR RLY CTRL CKP SENSOR SIG CMP SENSOR SIG ENGINE STARTER MOTOR RELAY EXHAUST GAS RECIRCULATION SOLENOID (ON RIGHT REAR OF ENG) FIELD COIL FUEL PUMP MODULE (ON SIDE OF FUEL TANK) FUEL PUMP RELAY FUSE 16 FUSE 17 FUSE 3 GENERATOR GROUND IGN COIL CYL. 1, 4 DRIV GRY WIRE GRY YEL/ WIRE GRY/BLK WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT IN RUN OR START IGNITION COIL PACK (RIGHT SIDE OF ENG COMPT) JUNCTION BLOCK (BEHIND LEFT SIDE OF DASH) KNOCK SENSOR (LEFT SIDE OF ENG, NEXT TO OIL FILTER) KNOCK SENSOR ECT SENSOR SIG LAMP DRIVER LEFT KICK PANEL GROUND BLOCK (LEFT KICK PANEL) LT BLU/BRN WIRE MESSAGE CENTER NCA WIRE ORG/DK BLU WIRE POWER DISTRIBUTION CENTER (LEFT SIDE OF ENG COMPT) POWERTRAIN CONTROL MODULE (LEFT FENDER SIDE SHIELD) PTC 1 REAR GROUND BLOCK (LEFT QUARTER PANEL) RED/WHT WIRE RED/YEL WIRE SERVICE ENGINE SOON LAMP START/RUN STOP LAMP SWITCH (CRUISE CONTROL SYSTEM) TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TAN/YEL WIRE TP SENSOR SIG MAP SENSOR SIG UPSTREAM HEATED OXYGEN SENSOR (ON EXHAUST MANIFOLD) WHT/ BLK WIRE WHT/BLK WIRE WHT/DK BLU WIRE YEL/RED WIRE YEL/WHT WIRE

A/C HEATER CONTROL MODULE A/C ON/OFF SW SIG AUTOMATIC SHUT DOWN RELAY BATTERY BLK WIRE BLK/DK GRN WIRE BLK/LT BLU WIRE BLK/PNK WIRE BLK/TAN WIRE BODY CONTROL MODULE (JUNCTION BLOCK) BRN WIRE BRN/DK BLU WIRE BRN/PNK WIRE DK BLU WIRE DK BLU/LT GRN WIRE DK BLU/TAN WIRE DK BLU/YEL WIRE DK GRN WIRE DK GRN/ORG WIRE DK GRN/RED WIRE DK GRN/WHT WIRE DOWNSTREAM HEATED OXYGEN SENSOR (FRONT CENTER OF FLOOR PAN, IN EXHAUST PIPE) EGR SOLENOID CTRL ENG STARTER MTR RLY CTRL CKP SENSOR SIG CMP SENSOR SIG ENGINE STARTER MOTOR RELAY EXHAUST GAS RECIRCULATION SOLENOID (ON RIGHT REAR OF ENG) FIELD COIL FUEL PUMP MODULE (ON SIDE OF FUEL TANK) FUEL PUMP RELAY FUSE 16 FUSE 17 FUSE 3 GENERATOR GROUND IGN COIL CYL. 1, 4 DRIV GRY WIRE GRY YEL/ WIRE GRY/BLK WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT IN RUN OR START IGNITION COIL PACK (RIGHT SIDE OF ENG COMPT) JUNCTION BLOCK (BEHIND LEFT SIDE OF DASH) KNOCK SENSOR (LEFT SIDE OF ENG, NEXT TO OIL FILTER) KNOCK SENSOR ECT SENSOR SIG LAMP DRIVER LEFT KICK PANEL GROUND BLOCK (LEFT KICK PANEL) LT BLU/BRN WIRE MESSAGE CENTER NCA WIRE ORG/DK BLU WIRE POWER DISTRIBUTION CENTER (LEFT SIDE OF ENG COMPT) POWERTRAIN CONTROL MODULE (LEFT FENDER SIDE SHIELD) PTC 1 REAR GROUND BLOCK (LEFT QUARTER PANEL) RED/WHT WIRE RED/YEL WIRE SERVICE ENGINE SOON LAMP START/RUN STOP LAMP SWITCH (CRUISE CONTROL SYSTEM) TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TAN/YEL WIRE TP SENSOR SIG MAP SENSOR SIG UPSTREAM HEATED OXYGEN SENSOR (ON EXHAUST MANIFOLD) WHT/ BLK WIRE WHT/BLK WIRE WHT/DK BLU WIRE YEL/RED WIRE YEL/WHT WIRE

A/C HEATER CONTROL MODULE A/C ON/OFF SW SIG AUTOMATIC SHUT DOWN RELAY BATTERY BLK WIRE BLK/DK GRN WIRE BLK/LT BLU WIRE BLK/PNK WIRE BLK/TAN WIRE BODY CONTROL MODULE (JUNCTION BLOCK) BRN WIRE BRN/DK BLU WIRE BRN/PNK WIRE DK BLU WIRE DK BLU/LT GRN WIRE DK BLU/TAN WIRE DK BLU/YEL WIRE DK GRN WIRE DK GRN/ORG WIRE DK GRN/RED WIRE DK GRN/WHT WIRE DOWNSTREAM HEATED OXYGEN SENSOR (FRONT CENTER OF FLOOR PAN, IN EXHAUST PIPE) EGR SOLENOID CTRL ENG STARTER MTR RLY CTRL CKP SENSOR SIG CMP SENSOR SIG ENGINE STARTER MOTOR RELAY EXHAUST GAS RECIRCULATION SOLENOID (ON RIGHT REAR OF ENG) FIELD COIL FUEL PUMP MODULE (ON SIDE OF FUEL TANK) FUEL PUMP RELAY FUSE 16 FUSE 17 FUSE 3 GENERATOR GROUND IGN COIL CYL. 1, 4 DRIV GRY WIRE GRY YEL/ WIRE GRY/BLK WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT IN RUN OR START IGNITION COIL PACK (RIGHT SIDE OF ENG COMPT) JUNCTION BLOCK (BEHIND LEFT SIDE OF DASH) KNOCK SENSOR (LEFT SIDE OF ENG, NEXT TO OIL FILTER) KNOCK SENSOR ECT SENSOR SIG LAMP DRIVER LEFT KICK PANEL GROUND BLOCK (LEFT KICK PANEL) LT BLU/BRN WIRE MESSAGE CENTER NCA WIRE ORG/DK BLU WIRE POWER DISTRIBUTION CENTER (LEFT SIDE OF ENG COMPT) POWERTRAIN CONTROL MODULE (LEFT FENDER SIDE SHIELD) PTC 1 REAR GROUND BLOCK (LEFT QUARTER PANEL) RED/WHT WIRE RED/YEL WIRE SERVICE ENGINE SOON LAMP START/RUN STOP LAMP SWITCH (CRUISE CONTROL SYSTEM) TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TAN/YEL WIRE TP SENSOR SIG MAP SENSOR SIG UPSTREAM HEATED OXYGEN SENSOR (ON EXHAUST MANIFOLD) WHT/ BLK WIRE WHT/BLK WIRE WHT/DK BLU WIRE YEL/RED WIRE YEL/WHT WIRE