Dodge Pickup R2500 (1996-2010) air conditioning system Wiring diagrams

17 18 TRANS CTRL OUT ASD RLY CTRL 20 21 22 23 24 25 26 FUSED IGN RUN/ST CTRL A/C CLUTCH COIL A/C PRESS SNSE RTN A/C PRESS SIG A/C PRESS SNSR FD AIR CONDITIONING SYSTEM AIR CONDITIONING, NAVIGATION SYSTEMS ANTI-LOCK BRAKES SYSTEM BATT FD BATT FD 9 BLK WIRE BLK/BRN WIRE BLK/LT BLU WIRE BRK LVL SW SIG BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/WHT WIRE CAN-BUS CAN-BUS COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM SEATS SYSTEM EXTERIOR LIGHTS SYSTEM DK BLU WIRE DK BLU/YEL WIRE DK GRN/ORG WIRE DK GRN/RED WIRE DOOR LOCKS SYSTEM DR LK RT FT ELEC BKLT FD IGN R TTOW PRK LMP SIG FUSED ASD RLY OUT FUSED ASD RLY OUT BATT FD ENG CTRL DRCT BATT FD ENG CTRL RUN/STRT IGN STP LMP SIG IGN ULK/RUN/STRT A/C CLUTCH FD ENGINE CONTROLS SYSTEM EXTERIOR LIGHTS SYSTEM SEATS SYSTEM POWER TOPS SYSTEM EXTERIOR LIGHTS SYSTEM FUEL PUMP CTRL GND BATT FD IGN (RUN) IGN R IGN RS LT BLU/BRN WIRE LT BLU/ORG WIRE LT GRN/GRY WIRE PNK/GRY WIRE PNK/LT GRN WIRE PNK/VIO WIRE PNK/WHT WIRE PNK/YEL WIRE POWER DISTRIBUTION SYSTEM POWER WINDOWS SYSTEM RED WIRE RED/GRY WIRE RED/LT BLU WIRE RED/LT GRN WIRE RED/VIO WIRE RED/YEL WIRE RT TTOW RLY CTRL IGN R BATT FD BATT FD 3 STARTING/CHARGING SYSTEM STARTING/CHARGING SYSTEM EXTERIOR LIGHTS SYSTEM STRTR OVRDE RLY COIL RTN SUPPLEMENTAL RESTRAINTS SYSTEM (LEFT SIDE OF ENGINE COMPT) TAN/BRN WIRE TAN/DK BLU WIRE TAN/LT BLU WIRE TAN/LT GRN WIRE TAN/ORG WIRE TAN/VIO WIRE TAN/WHT WIRE TOTALLY INTEGRATED POWER MODULE (LEFT FRONT OF ENGINE COMPT) TRANSMISSION CTRL OUT TRANSMISSIONS SYSTEM TRANSMISSIONS SYSTEM ENGINE CONTROLS SYSTEM WHT/DK BLU WIRE WHT/LT BLU WIRE WHT/LT GRN WIRE WHT/VIO WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/ORG WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 TRANS RLY OUT A/C COMP RLY 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 AIR CONDITIONING SYSTEM AUTO SHT RLY CRUISE VAC SOL CRUISE VNT SOL OVERDRV IND TRANS TEMP IND BATT TEMP SENS GEN IND DRVR MIL IND DRVR SRI DRIVER FUEL PMP RLY EVAP SOL DRVR BATTERY TEMPER- ATURE SENSOR (BELOW BATTERY) BLK WIRE BLK/LT BLU WIRE BLK/ORG WIRE BLK/PNK WIRE BLK/RED WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CAMSHAFT POSITION SENSOR (IN DISTRIBUTOR) CRUISE CONTROL SYSTEM CRUISE CONTROL SYSTEM CRUISE CONTROL SYSTEM CRUISE FEED ASD RELAY SENS TRANS OVERDRV DATA LINK CONNECTOR (LEFT I/P) DK BLU WIRE DK BLU/ORG WIRE DK BLU/WHT WIRE DK BLU/YEL WIRE DK GRN WIRE DK GRN/ORG WIRE DUTY CYCLE/ EVAP PURGE SOLENOID (REAR OF INTAKE MANIFOLD) ENGINE DIAGNOSTIC CONNECTOR FUEL LEVEL IN FUSE 8 FUSE 4 GEN IND LAMP GENERATOR GRY/LT BLU WIRE GRY/PNK WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN RUN OR START FUSE BLOCK FUSE 11 INSTRUMENT CLUSTER INTAKE AIR TEMPER- ATURE SENSOR (RIGHT SIDE OF INTAKE MANIFOLD) JOINT CONNECTOR C (BEHIND LEFT KNEE BOLSTER) LOW FUEL SENS SCI TRANSMIT LT GRN WIRE LT GRN/BLK WIRE LT GRN/ORG WIRE LT GRN/RED WIRE LT GRN/WHT WIRE MESSAGE CENTER MIL IND LAMP ORG/ WIRE ORG/BLK WIRE ORG/DK BLU WIRE ORG/WHT WIRE OVERDRIVE SWITCH PNK WIRE PNK/BLK WIRE PNK/DK BLU WIRE PNK/YEL WIRE POWER DISTRIBUTION CENTER POWERTRAIN CONTROL MODULE (RIGHT SIDE SAFETY WALL) RED WIRE RED/LT GRN WIRE RED/WHT WIRE SCI RECEIVE SENSOR GRD GOV PRESS SIG VAR FORCE SOL OVERDRV SOL TCC SOL CTRL TRANS TEMP SNS STOP LAMP SWITCH (UNDER LEFT SIDE OF I/P) TACH SIGNAL TACH SIGNAL CRUISE SW IN TAN/RED WIRE TAN/YEL WIRE THROTTLE POSITION SENSOR (SIDE OF THROTTLE BODY) TRANS- MISSION RELAY TRANSMISSION SOLENOID ASSEMBLY (TRANSMISSION) UP SHIF IND VIO WIRE VIO/WHT WIRE WHT WIRE WHT/DK BLU WIRE WHT/PNK WIRE YEL/RED WIRE

28 29 30 31 32 33 34 35 36 37 38 TP 2 SIG 5 VOLT SUPPLY IAT SIG 3 5 7 9 11 TPS 1 OUT APP 1 OUT REQ SENS SENS GRD RPM SIG 5-VOLT AC COMP CLTCH ACCELERATOR PEDAL POSITION SENSOR AIR CONDITIONING SYSTEM APPS 1 RET APPS 1 RET APPS 2 RET S/C SW 2 SIG ASD RELAY OUT SOL CTRL APPS 1 SIG APPS 2 RET APPS 2 SIG ASD RELAY OUT SOL CTRL PRS SW SIG AUTO SHT RLY BATTERY TEMPERATURE SENSOR (UNDER BATTERY TRAY) BLK WIRE BLK/DK GRN WIRE BLK/LT BLU WIRE BLK/PNK WIRE BLK/RED WIRE BLK/VIO WIRE BRAKE LAMP SWITCH (ABOVE BRAKE PEDAL) BRK SW 2 SIG BRN WIRE BRN/DK GRN WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/VIO WIRE CLOCKSPRING CMP SIG CKP SENS SIG KNOCK 2 SIG KNOCK 2 RET ETC MTR CTRL COOLING FANS SYSTEM CRUISE CONTROL SYSTEM DK BLU/DK GRN WIRE DK BLU/GRY WIRE DK BLU/ORG WIRE DK BLU/VIO WIRE DK BLU/YEL WIRE DK GRN/ORG WIRE DK GRN/WHT WIRE ELECTRONIC THROTTLE CONTROL MODULE EVAP/PURGE SOLENOID (LEFT FRONT OF ENGINE COMPT) FAN RLY CTRL FUEL PUMP MODULE (INSIDE FUEL TANK) GRY/BLK WIRE LEAK DETECTION PUMP (FORWARD OF FUEL TANK) LEFT FRONT FENDER) LT BLU/BLK WIRE ORG/ WIRE ORG/DK BLU WIRE ORG/PNK WIRE PMP SOL CTRL 1/2 HTR CTRL PNK/BLK WIRE PNK/DK BLU WIRE PNK/YEL WIRE POWER STEERING PRESSURE SWITCH (BELOW POWER STEERING RESERVOIR) POWERTRAIN CONTROL MODULE (ON RIGHT SIDE OF FIREWALL) PTO SW SENS BRAKE SW SENS PTO SWITCH CONTROLLER ANTI-LOCK BRAKE (ON LEFT REAR OF ENG COMPT) RED/LT GRN WIRE RED/WHT WIRE RIGHT KNOCK SENSOR SENSE STARTING/ CHARGING SYSTEM TAN/BLK WIRE TAN/YEL WIRE TRANS- MISSIONS SYSTEM VIO/ORG WIRE VIO/WHT WIRE WHT WIRE WHT/DK GRN WIRE WHT/PNK WIRE WHT/TAN WIRE YEL/BLK WIRE YEL/DK GRN WIRE YEL/RED WIRE

AIR CONDITIONING SYSTEM AUXILIARY BATTERY BATTERY TEMPERATURE SENSOR (UNDER BATTERY TRAY) BLK WIRE BRAKE LAMP SIG HTR RLY CTRL S/C SW 2 SIG GROUND BRN WIRE BRN/BLK WIRE BRN/DK BLU WIRE BRN/DK GRN WIRE BRN/LT BLU WIRE BRN/ORG WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CLUTCH INTERLOCK/ UPSTOP SWITCH (M/T) (LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DIAGNOSTIC PORT (TOP LEFT SIDE OF ENGINE) DK BLU/DK GRN WIRE DK BLU/LT GRN WIRE DK BLU/VIO WIRE DK GRN WIRE DK GRN/ORG WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (LOWER LEFT FRONT OF ENGINE BLOCK) EXHAUST PRESSURE SENSOR 1/2 (RIGHT SIDE OF TRANSMISSION) EXHAUST TEMPERATURE SENSOR 1/1 (IN EXHAUST, FORWARD OF CATALYTIC CONVERTER) EXHAUST TEMPERATURE SENSOR 1/2 (IN EXHAUST, AT REAR OF CATALYTIC CONVERTER) EXHAUST TEMPERATURE SENSOR 1/3 (IN EXHAUST, DOWNSTREAM OF CATALYTIC CONVERTER) FUSED B (+) FUSIBLE LINK (10 GA- GROUND GROUND FUSED B(+) FUSED B(+) LOW DATA LINK INTAKE AIR HEATER INTAKE AIR HEATER RELAY (LEFT FRONT BUMPER) LT BLU WIRE LT GRN/BLK WIRE ORG/BRN WIRE PNK WIRE PNK/GRY WIRE RAM 2500 RED WIRE RED/YEL (OR BLK) WIRE RED/YEL (OR DK GRN) WIRE RED/YEL WIRE RLY CTRL RTN S/C SW 1 SIG RMT THROTTLE SIG S/C SW RTN PRES SENS SIG APPS 1 SIG SMT PWR RLY RTN A/C CLUTCH CTRL IGN SW OUT (RUN-START) TEMP 1 SENS SIG CAN C BUS (-) APPS 2 RTN UPSTOP SW SIG TAKEOFF SW IN INTERLOCK SW SIG SW RLY SIG VIO WIRE VIO/BRN WIRE VIO/DK GRN WIRE VIO/ORG WIRE VIO/YEL WIRE WHT WIRE WHT/BRN WIRE WHT/LT BLU WIRE WHT/LT GRN WIRE WHT/ORG WIRE

1 2 3 4 5 6 7 8 TRANS RLY OUT 5-VOLT A/C PRESSURE TRANSDUCER (ON LEFT SIDE OF A/C COMPRESSOR) AIR CONDITIONING SYSTEM AUTO SHT RLY CRUISE VAC SOL CRUISE VNT SOL BLK/LT BLU WIRE BLK/RED WIRE BLK/TAN WIRE BLK/VIO WIRE BRAKE SW IN GEN FIELD OUT FUEL LVL SENS SIG SCI TRANSMIT BRN WIRE BRN/VIO WIRE BRN/WHT WIRE CRUISE CONTROL SYSTEM CRUISE SW IN DATA LINK CONNECTOR (LEFT SIDE OF DASH) DK BLU WIRE DK BLU/ORG WIRE DK BLU/YEL WIRE DK GRN WIRE DK GRN/ORG WIRE DK GRN/WHT WIRE DOWNSTREAM OXYGEN SENSOR RELAY (CALIFORNIA) FROM AUTO SHUT DOWN RELAY (DIAGRAM 1 OF 3) FUEL PMP RLY EVAP SOL CTRL FUSE 49 FUSE 5 GENERATOR HOT AT ALL TIMES INTAKE AIR TEMPERATURE SENSOR (IN LEFT FRONT SIDE OF INTAKE MANIFOLD) INTEGRATED POWER MODULE (LEFT FRONT OF ENGINE COMPT) LEAK DETECTION PUMP (ON RIGHT FRONT OF INNER FENDER) LT BLU/BLK WIRE LT BLU/VIO WIRE LT GRN WIRE LT GRN/RED WIRE ORG/ WIRE ORG/BLK WIRE ORG/DK BLU WIRE ORG/WHT WIRE OVERDRIVE SWITCH PNK WIRE PNK/BLK WIRE PNK/YEL WIRE POWERTRAIN CONTROL MODULE (RIGHT SIDE OF FIREWALL) PRESS SIG RED WIRE RED/LT GRN WIRE SCI RECEIVE PCI BUS SENS GRD SENSOR GRD GOV PRESS SIG PRESS SOL CTRL 3-4 SOL CTRL TCC SOL CTRL TRANS TEMP SNS STOP LAMP SWITCH (ON BRAKE PEDAL BRACKET) TAN/RED WIRE THROTTLE POSITION SENSOR (ON THROTTLE BODY) TRANSMISSION RELAY TRANSMISSION SOLENOID ASSEMBLY (INSIDE TRANSMISSION) VIO WIRE VIO/BRN WIRE VIO/WHT WIRE WHT/DK BLU WIRE WHT/DK GRN WIRE WHT/PNK WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 TRANS RLY OUT AIR CONDI- TIONING SYSTEM AIR CONDITIONING SYSTEM AUTO SHT RLY CRUISE VAC SOL CRUISE VNT SOL BLK/LT BLU WIRE BLK/LT GRN WIRE BLK/RED WIRE BRN WIRE BRN/VIO WIRE BRN/WHT WIRE CCD(-) CRUISE CONTROL SYSTEM CRUISE SW IN DATA LINK CONNECTOR (LEFT BOTTOM OF DASH) DK BLU WIRE DK BLU/ORG WIRE DK BLU/WHT WIRE DK BLU/YEL WIRE DK GRN WIRE DK GRN/ORG WIRE DK GRN/PNK WIRE DK GRN/WHT WIRE DK GRN/YEL WIRE DOWNSTREAM OXYGEN SENSOR RELAY FUEL PMP RLY EVAP SOL DRVR FUSE GENERATOR HOT AT ALL TIMES INSTRUMENT CLUSTER INTAKE AIR TEMPERATURE SENSOR (IN LEFT FRONT SIDE OF INTAKE MANIFOLD) JOINT CONNECTOR 1 (IN PDC) JOINT CONNECTOR 11 9 2 14 6 5 LEAK DETECTION PUMP (ON RIGHT FRONT OF INNER FENDER) LT GRN/RED WIRE LT GRN/WHT WIRE M/T ONLY ORG/ WIRE ORG/BLK WIRE ORG/DK BLU WIRE ORG/WHT WIRE OVERDRIVE SWITCH PNK WIRE PNK/DK BLU WIRE PNK/WHT WIRE PNK/YEL WIRE POWERTRAIN CONTROL MODULE (IN ENG COMPT, ON RIGHT SIDE OF FIREWALL) RED WIRE RED/LT GRN WIRE SENSOR GRD GOV PRESS SIG VAR FORCE SOL OVERDRV SOL TCC SOL CTRL TRANS TEMP SNS STOP LAMP SWITCH (ON BRAKE PEDAL BRACKET) TAN/RED WIRE THROTTLE POSITION SENSOR (ON THROTTLE BODY) TRANSMISSION RELAY FUSE I TRANSMISSION SOLENOID ASSEMBLY (ON LEFT SIDE OF TRANSMISSION) VIO WIRE VIO/BRN WIRE VIO/WHT WIRE WHT/BLK WIRE WHT/DK GRN WIRE WHT/PNK WIRE YEL WIRE YEL/RED WIRE