RAM Pickup 2500 (2011-2012) a/c press sig Wiring diagrams

1 2 3 4 AUTO HEADLAMPS SIG SUN SENSOR SIG 1 SUN SENSOR SIG 2 SENSOR GROUND 1 3 2 A/C PRESS SNS RTN A/C PRESS SIG A/C PRESS SNSR FD 1 4 3 IGN R SNSR IR RTN SNSR IR SIG 10 9 34 35 BATT FD GND CAN BUS (+) CAN BUS (-) 27 20 SENS GND ECT SIG 4 2 3 1 BLWR MTR HI DRV FT BLW FD BLWR CTRL GND A/C CLUTCH COIL A/C COMPRESSOR CLUTCH A/C HEATER CONTROL A/C PRESS A/C PRESS SIG A/C PRESS SNSR FD AC CLUTCH FD B(+) BLK WIRE BLK/LT BLU WIRE BLK/LT GRN WIRE BLK/TAN WIRE BLOWER MODULE BLOWER MOTOR (BOTTOM RIGHT SIDE OF HVAC UNIT) BLOWER MOTOR RELAY BRN WIRE BRN/LT BLU WIRE BRN/ORG WIRE CAN 2 BUS (-) CAN IHS BUS (-) CAN IHS BUS (+) IOD FD IGN R CIRCUIT BOARD CLUTCH A/C COIL COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/DK GRN WIRE DK BLU/GRY WIRE DK BLU/LT BLU WIRE DK BLU/LT GRN WIRE DK BLU/ORG WIRE DK BLU/PNK WIRE DK BLU/RED WIRE DK BLU/TAN WIRE DK BLU/WHT WIRE DK BLU/YEL WIRE DK GRN WIRE DK GRN/DK BLU WIRE DRIVER BLEND DOOR ACTUATOR (ON HVAC UNIT) ENGINE CONTROLS SYSTEM EVAP SIG EVAP SNSE RTN EVAPORATOR TEMPERATURE SENSOR (TOP CENTER OF HVAC UNIT) FRONT MODE DOOR ACTUATOR 1 (LEFT SIDE OF HVAC UNIT) FUSE HOT AT ALL TIMES HOT W/ RUN RELAY ENERGIZED INFRARED SENSOR (FRONT CENTER OF ROOF) LOW SPD RAD FAN LT BLU WIRE LT BLU/BRN WIRE LT BLU/ORG WIRE LT BLU/RED WIRE LT GRN WIRE MODE DOOR ACTUATOR 2 (LEFT SIDE OF HVAC UNIT) NAVIGATION SYSTEM ORG/ WIRE PASSENGER BLEND DOOR ACTUATOR PNK/YEL WIRE POWERTRAIN CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) RAD FAN RLY COIL SIG RADIATOR FAN RADIATOR FAN LOW RELAY RADIATOR FAN RELAY RECIRCULATION DOOR ACTUATOR (RIGHT SIDE OF HVAC UNIT) RED WIRE RED/BRN WIRE RED/WHT WIRE RR CTRL BLW SW FD SNS RTN SUN SENSOR (TOP CENTER OF DASH) TAN WIRE TOTALLY INTEGRATED POWER MODULE (LEFT FRONT OF ENGINE COMPT) TRANSDUCER) VIO/LT BLU WIRE VIO/ORG WIRE WHT/GRY WIRE WHT/LT BLU WIRE WHT/LT GRN WIRE WHT/ORG WIRE WHT/VIO WIRE

27 20 SENS GND ECT SIGNAL 9 10 34 35 GND BATT FD CAN BUS (+) CAN BUS (-) A/C PRESS A/C PRESS SIG A/C PRESS SNS RTN A/C PRESS SNSR FD A/C PRESSURE TRANSDUCER (RIGHT FRONT OF ENGINE COMPT) B(+) BLK WIRE BLK/LT BLU WIRE BRN/LT BLU WIRE BRN/ORG WIRE CAN 2 BUS (-) COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/DK GRN WIRE DK GRN DK BLU/ WIRE DK GRN WIRE DK GRN/DK BLU WIRE ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR (TOP FRONT OF ENGINE) FUSE FUSE FUSE HOT AT ALL TIMES HOT W/ RUN RELAY ENERGIZED LOW SPD SIG LT BLU/BRN WIRE LT BLU/ORG WIRE POWERTRAIN CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) RAD FAN RADIATOR FAN RADIATOR FAN LOW RELAY RADIATOR FAN RELAY RED WIRE RED/BRN WIRE RLY COIL SIG SNS RTN SNSR FD TOTALLY INTEGRATED CIRCUIT BOARD POWER MODULE (LEFT FRONT OF ENGINE COMPT) VIO/ORG WIRE WHT/LT BLU WIRE WHT/LT GRN WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 GND 1 2 3 4 5 LOW 1 2 SENS GND SENS SIG 10 34 35 9 BATT FD C BUS (+) C BUS (-) GND 27 20 ECT SIG SENS GND A/C CLUTCH COIL A/C COMPRESSOR CLUTCH A/C HEATER CONTROL A/C PRESS SIG A/C PRESS SNSE RTN A/C PRESS SNSR FD A/C PRESSURE TRANSDUCER (RIGHT FRONT OF ENGINE COMPT) AC CLUTCH FD ACT COM 2 ACT FLR DFRST AUTO HDLP SIG B(+) BLK WIRE BLK/LT BLU WIRE BLK/LT GRN WIRE BLK/TAN WIRE BLOWER MOTOR (BOTTOM RIGHT SIDE OF HVAC UNIT) BLOWER MOTOR RELAY BLOWER MOTOR RESISTOR (ON BLOWER MOTOR) BRN/LT BLU WIRE BRN/ORG WIRE CAN 2 BUS (-) CIRCUIT BOARD COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/BRN WIRE DK BLU/DK GRN WIRE DK BLU/GRY WIRE DK BLU/LT BLU WIRE DK BLU/LT GRN WIRE DK BLU/ORG WIRE DK BLU/PNK WIRE DK BLU/RED WIRE DK BLU/TAN WIRE DK BLU/VIO WIRE DK BLU/YEL WIRE DK GRN/DK BLU WIRE DRIVER BLEND DOOR ACTUATOR (ON HVAC UNIT) ENGINE CONTROLS SYSTEM EVAP SIG EVAP SNSE RTN EVAP SNSE RTN EVAP SNSE RTN AUTO HDLP SIG EVAPORATOR TEMPERATURE SENSOR (TOP CENTER OF HVAC UNIT) FRONT MODE DOOR ACTUATOR (LEFT SIDE OF HVAC UNIT) FUSE FUSE FUSE FUSE HOT AT ALL TIMES HOT W/ RUN RELAY ENERGIZED IOD FD IGN R LOW SPD SIG RAD FAN LT BLU/BRN WIRE LT BLU/ORG WIRE LT BLU/RED WIRE MODE DOOR ACTUATOR 2 (LEFT SIDE OF HVAC UNIT) PNK/YEL WIRE POWER MODULE (LEFT FRONT OF ENGINE COMPT) POWERTRAIN CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) RADIATOR FAN RADIATOR FAN LOW RELAY RADIATOR FAN RELAY RCRC ACT DR ACT COM ACT TEMP(DRIV) ACT FLR/PNL RECIRCULATION DOOR ACTUATOR (RIGHT SIDE OF HVAC UNIT) RED WIRE RED/BRN WIRE RED/WHT WIRE RLY COIL SIG RAD FAN RR CTRL BLW SW FD SNS FD A/C PRESS SNSE RTN A/C PRESS SUN SENSOR (TOP CENTER OF DASH) TOTALLY INTEGRATED VIO/ORG WIRE WHT/GRY WIRE WHT/LT BLU WIRE WHT/LT GRN WIRE WHT/ORG WIRE WHT/VIO WIRE

1 2 3 4 5 6 DSL HIGH SIDE DRVR RTN ENG CTRL COM SNSR RTN RAD FAN MTR SPD SIG 30 53 17 DSL HIGH SIDE DRVR RTN ENG CTRL COM SNSR RTN 4 RAD FAN MTR SPD SIG A/C PRESS PRESS SNS SIGNAL RTN A/C PRESS SIG A/C PRESS SNSE RTN A/C PRESS SNSR FD A/C PRESSURE TRANSDUCER (RIGHT FRONT OF ENGINE COMPT) BLK WIRE BLK/LT BLU WIRE BRN/LT BLU WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/WHT WIRE BUS (-) CAN COMPUTER DATA LINES SYSTEM DK BLU/GRY WIRE DK BLU/PNK WIRE ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR (TOP FRONT OF ENGINE) FUSE HALL EFCT ELECN ENG SPD OUT HALL EFCT ELECN ENG SPD OUT ENG CTRL COM SNSR RTN 2 COOL TEMP SNSR SIG HOT AT ALL TIMES HOT W/ RUN RELAY ENERGIZED IGN ULK/RUN/STRT 16 33 6 LT BLU/BRN WIRE LT BLU/ORG WIRE PNK/WHT WIRE POWERTRAIN CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) PRESS SNS FD RAD FAN LOW SPD SIG RADIATOR DRIVER FAN RADIATOR FAN LOW RELAY RUN/START TOTALLY INTEGRATED CIRCUIT BOARD POWER MODULE (LEFT FRONT OF ENGINE COMPT) VIO/ORG WIRE WHT/DK BLU WIRE WHT/LT BLU WIRE WHT/LT GRN WIRE

A/C CLUTCH COIL A/C PRESS SIG AIR CONDITIONING SYSTEM ASD CTRL FD 3 ASD RLY FD AC PRESS SNSR FD ASD RTN BATT DRCT TO PDC ELEC BKLT FD BATT FD BLK WIRE BLK/BRN WIRE BLK/LT BLU WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/WHT WIRE CAN BUS (-) CAN BUS (+) A/C PRESS SNSE RTN COMPUTER DATA LINES SYSTEM AIR CONDITIONING SYSTEM COMPUTER DATA LINES SYSTEM SOUND SYSTEMS DK BLU/ORG WIRE DK BLU/YEL WIRE DK GRN/ORG WIRE DK GRN/RED WIRE DOOR LOCKS SYSTEM EXTERIOR LIGHTS, SUPPLEMENTAL RESTRAINTS SYSTEMS ENG CTRL FUEL PMP SIG ENG CTRL RUN/STRT IGN ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM AIR CONDITIONING SYSTEM ENGINE CONTROLS SYSTEM, DEFOGGER SYSTEM EXTERIOR LIGHTS, ANTI-LOCK BRAKES SYSTEMS EXTERIOR LIGHTS, MIRRORS SYSTEMS ANTI-LOCK BRAKES SYSTEM GND IOD FD IOD FD BATT FD TTOW PRK LMP SIG IGN RS DR ULK RT FT BATT FD RT RR ULK IGN RS STR RLY SW SIG ENG CTRL DRCT BATT FD IGN ULK/RUN/STRT A/C CLUTCH FD INSTRUMENT CLUSTER SYSTEM EXTERIOR LIGHTS SYSTEM IOD FD STP LMP SIG LT BLU/BRN WIRE LT BLU/ORG WIRE LT BLU/RED WIRE LT DR ULK PRK/TL/LIC RUN LMPS PNK IGN RS WIRE PNK/GRY WIRE PNK/LT GRN WIRE PNK/WHT WIRE RED WIRE RED/LT BLU WIRE RED/PNK WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE STARTING/CHARGING SYSTEM STRTR COIL MTR FD SW BATT FD IOD FD TAN/BRN WIRE TAN/LT BLU WIRE TAN/ORG WIRE TAN/RED WIRE TOTALLY INTEGRATED POWER MODULE (LEFT FRONT OF ENGINE COMPT) TRANS CTRL OUT TRANSMISSIONS SYSTEM TRANSMISSIONS SYSTEM STARTING/CHARGING SYSTEM ENGINE CONTROLS SYSTEM WHT/LT BLU WIRE WHT/LT GRN WIRE WHT/RED WIRE WHT/VIO WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/ORG WIRE YEL/RED WIRE