Jeep Cherokee IV (2007-2012) a/c heater control Wiring diagrams

2 3 4 SUN SENS 1 SIG SUN SENS 2 SIG SUN SENS RTN 4 3 2 1 FT BLW FD FRONT BLOWER CTRL GROUND A/C HEATER CONTROL BLK WIRE BLK/LT GRN WIRE BLOWER MOTOR RELAY BLU WIRE BRN WIRE BRN/PNK WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/LT BLU WIRE DK BLU/ORG WIRE DK BLU/TAN WIRE DK GRN/WHT WIRE DRV ACT TEMP TEMP RTN EVAPORATOR TEMPERATURE SENSOR (LEFT SIDE OF HVAC UNIT) FRONT BLOWER POWER MODULE (RIGHT SIDE OF HVAC UNIT) FUSE 10 FUSE 11 GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT W/ RUN RELAY ENERGIZED JUNCTION BLOCK (LEFT SIDE OF DASH) LT BLU/GRY WIRE LT BLU/YEL WIRE LT DK LT GRN/YEL WIRE ORG/BRN WIRE PNK WIRE PNK/YEL WIRE POWER DISTRIBUTION CENTER (LEFT SIDE OF ENGINE COMPT) REAR MODE DOOR ACTUATOR (CENTER OF HVAC UNIT) REAR WINDOW DEFOGGER RELAY RED WIRE RED/BLK WIRE RED/LT GRN WIRE RIGHT BLEND DOOR ACTUATOR (CENTER OF HVAC UNIT) RR RR MODE MODE MTR MTR SENS GND SUN SENSOR (TOP CENTER OF DASH) TAN WIRE VIO WIRE VIO/DK BLU WIRE VIO/LT BLU WIRE VIO/ORG WIRE WHT WIRE WHT/BLK WIRE WHT/ORG WIRE WHT/TAN WIRE YEL WIRE

11 12 CAN C BUS (+) CAN C BUS (-) 12 6 CAN B BUS (-) CAN B BUS (+) 13 12 CAN C BUS (-) CAN C BUS (+) 5 6 2 CAN C BUS (+) CAN C BUS (-) LIN TIRE PRESS 7 6 CAN C BUS (+) CAN C BUS (-) 9 10 1 CAN B BUS (+) CAN B BUS (-) LIN BUS A/C HEATER CONTROL ANTILOCK BRAKES MODULE (LEFT REAR OF ENGINE COMPT) AUTOMATIC A/C BLK/LT GRN WIRE BLK/WHT WIRE CAN B BUS (+) CAN C BUS (+) CAN C BUS (+) CAN C BUS (-) CLUSTER DATA LINK CONNECTOR (LEFT SIDE OF DASH) FINAL DRIVE CONTROL MODULE (5.7L) (UNDER LEFT REAR SEAT) FRONT CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) FUSE 16 HOT AT ALL TIMES IN HEADLAMP, DASH HARNESS) JUNCTION BLOCK (LEFT SIDE OF DASH) LEFT FRONT TIRE PRESSURE TRANSPONDER (LEFT FRONT WHEELWELL) LIN BUS LIN TIRE PRESS LOWER BANK SWITCH LT BLU WIRE LT BLU/ WHT WIRE LT GRN WIRE LT GRN/RED WIRE OCCUPANT RESTRAINT CONTROLLER MODULE (UNDER CENTER CONSOLE) ORG/ WIRE PARK ASSIST MODULE (IF EQUIPPED) (UNDER LEFT REAR SEAT) POWERTRAIN CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) RADIO RED WIRE RIGHT FRONT TIRE PRESSURE TRANSPONDER (RIGHT FRONT WHEELWELL) RIGHT REAR TIRE PRESSURE TRANSPONDER (UNDER RIGHT REAR OF VEHICLE) SHIFT LEVER ASSEMBLY (BASE OF SHIFT LEVER) STEERING CONTROL MODULE (AT STEERING WHEEL) TRANSMISSION CONTROL MODULE (3.7L) UPPER BANK SWITCH WHT LT GRN/ WIRE WHT WIRE WHT/DK BLU WIRE WHT/GRY WIRE WHT/LT BLU WIRE WHT/LT GRN WIRE WHT/ORG WIRE WIRELESS IGNITION NODE

1 2 CAN BUS(-) CAN BUS(+) 5 6 HEATER DRIVER HEATER RETURN 6 5 HEATER DRIVER HEATER RETURN A/C HEATER CONTROL BLK WIRE CAN-BUS COMPUTER DATA LINES SYSTEM DEFOGGER RELAY CONTROL DK BLU WIRE DK BLU/GRY WIRE DK BLU/LT BLU WIRE DK BLU/YEL WIRE DRIVER DOOR MODULE DRIVER OUTSIDE REARVIEW MIRROR (W/ MEMORY) (AT MIRROR) DRIVER OUTSIDE REARVIEW MIRROR (W/O MEMORY) (AT MIRROR) ELECTRIC HEATED BACKLITE EBR RLY OUTPUT FUSE 10 FUSE 13 FUSE 3 HEATER HOT AT ALL TIMES HOT W/ RUN RELAY ENERGIZED JUNCTION BLOCK (LEFT SIDE OF DASH) LT BLU WIRE MANUAL A/C AUTOMATIC A/C ORG/ WIRE PASSENGER DOOR MODULE PASSENGER OUTSIDE REARVIEW MIRROR (W/ MEMORY) (AT MIRROR) PASSENGER OUTSIDE REARVIEW MIRROR (W/O MEMORY) (AT MIRROR) PNK WIRE POWER DISTRIBUTION CENTER (LEFT SIDE OF ENGINE COMPT) REAR WINDOW DEFOGGER RELAY RED WIRE RETURN VIO WIRE WHT WIRE WHT/ORG WIRE YEL WIRE

5.7L A/C A/C HEATER CONTROL ADJUSTABLE PEDALS SWITCH AUTOMATIC A/C BATTERY BLK WIRE BRN WIRE CIGAR LIGHTER CLUSTER COMPRESSOR CLUTCH FRONT BLOWER POWER MODULE FRONT WASHER FLUID LEVEL SENSOR GRY WIRE HOOD AJAR SWITCH HORN IN HEADLAMP, DASH HARNESS) INSTRUMENT PANEL POWER OUTLET LEFT FRONT TIRE PRESSURE TRANSPONDER LEFT REAR OXYGEN SENSOR LOWER BANK SWITCH LT BLU WIRE LT GRN WIRE MANUAL A/C MULTI DISPLACEMENT SYSTEM CYLINDER 1 SOLENOID MULTI DISPLACEMENT SYSTEM CYLINDER 4 SOLENOID OCCUPANT RESTRAINT CONTROLLER MODULE POWERTRAIN CONTROL MODULE RADIO RIGHT FRONT OXYGEN SENSOR RIGHT FRONT TIRE PRESSURE TRANSPONDER RIGHT HEADLAMP RIGHT REAR OXYGEN SENSOR STEERING CONTROL MODULE TRANSFER CASE SELECTOR SWITCH SHIFT LEVER ASSEMBLY VARIABLE CAMSHAFT TIMING SOLENOID VIO WIRE WIRELESS UPPER IGNITION BANK SWITCH NODE CLUSTER YEL WIRE

13 1 HAZARD SW SNS GND 9 10 CAN B BUS (+) CAN B BUS (-) A/C HEATER CONTROL ADJUSTABLE PEDALS SWITCH BLK WIRE BLK/DK GRN WIRE BLK/LT BLU WIRE CLUSTER COMPUTER DATA LINES SYSTEM DK GRN WIRE FRONT CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) FUSE 16 FUSED B (+) FUSED PRK LMP RLY OUT GROUND HAZARD SW SNS HOT AT ALL TIMES JUNCTION BLOCK (LEFT SIDE OF DASH) LEFT REAR HEATED SEAT SWITCH LIN BUS LOWER BANK SWITCH LT GRN WIRE LT GRN/RED WIRE ORG/BRN WIRE PANEL LAMPS DRV RED WIRE RIGHT REAR HEATED SEAT SWITCH SHIFT LEVER ASSEMBLY (BASE OF SHIFT LEVER) TRANSFER CASE SELECTOR SWITCH (RFE) UPPER BANK SWITCH WHT WIRE WHT/DK BLU WIRE WHT/LT BLU WIRE WHT/ORG WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 FUSED RUN RLY OUT 1 2 3 4 5 6 7 8 9 10 BLOWER HIGH SPEED BLOWER SW POSITION SIG A/C HEATER CONTROL A/C SW SENSE BLK WIRE BLK/LT GRN WIRE BLOWER LOW SPEED BLOWER MOTOR (RIGHT SIDE OF HVAC UNIT) BLOWER MOTOR RELAY BLOWER MOTOR RESISTOR (RIGHT SIDE OF HVAC UNIT) BLOWER RTN BLOWER LOW SPEED BLU WIRE BLW HI SPD BRN/PNK WIRE CLK CNTR WSE CLK WSE CLUSTER DIM SIG SEL DIMMER HVAC DK BLU WIRE DK BLU/LT BLU WIRE DK BLU/WHT WIRE DK DK EVAPORATOR TEMPERATURE SENSOR (LEFT SIDE OF HVAC UNIT) FUSE 10 FUSE 11 GROUND GROUND A/C SW SNS DEFOGGER RLY CTRL GRY/LT GRN WIRE HOT AT ALL TIMES HOT W/ RUN RELAY ENERGIZED IN HEADLAMP, DASH HARNESS) JUNCTION BLOCK (LEFT SIDE OF DASH) LT BLU WIRE LT BLU/ORG WIRE LT BLU/VIO WIRE LT BLU/YEL WIRE LT GRN/YEL WIRE ORG/BRN WIRE ORG/GRY WIRE ORG/LT GRN WIRE PNK/YEL WIRE POWER DISTRIBUTION CENTER (LEFT SIDE OF ENGINE COMPT) REAR DEFOGGER WINDOW RELAY RECIRCULATION DOOR ACTUATOR (RIGHT SIDE OF HVAC UNIT) RED WIRE RED/BLK WIRE RED/LT GRN WIRE WHT WIRE WHT/BLK WIRE WHT/BRN WIRE YEL WIRE YEL/DK BLU WIRE

3.7L, 5.7L 4WD 5.7L 2WD A/C CLUTCH RELAY A/C HEATER CONTROL ADJUSTABLE PEDALS RELAY ANTI-LOCK TRANSFER BRAKES CASE MODULE SELECTOR SWITCH B(+) B+ B- BATTERY BRAKE LAMP PNK/ ACTIVATION RELAY WIRE BRN WIRE BUS BAR CIRCUIT BREAKER 3 DK BLU WIRE DK GRN WIRE DRIVER MIRROR DOOR LOCK/ SWITCH WINDOW SWITCH DRIVER'S DOOR ELECTRONIC OVERHEAD MODULE FINAL DRIVE CONTROL MODULE FROM CIRCUIT BREAKER 2 (DIAGRAM 2 OF 4) FROM JUNCTION BLOCK (DIAGRAM 3 OF 4) FROM POWER DISTRIBUTION CENTER (DIAGRAM 2 OF 4) FRONT CONTROL MODULE FRONT CONTROL MODULE INTEGRATED POWER MODULE (LEFT SIDE OF ENGINE COMPT) FRONT FOG LAMP RELAY FUEL PUMP RELAY FUSE FUSE 24 FUSE 25 FUSE FUSE FUSIBLE LINK GENERATOR GRN WIRE GRY WIRE HANDS FREE MODULE (IF EQUIPPED) HIGH RADIATOR FAN RELAY HORN RELAY IN HEADLAMP, DASH HARNESS) JUNCTION BLOCK (LEFT SIDE OF DASH) LEFT TURN TRAILER TOW FUSE RELAY LOW RADIATOR FAN RELAY LT BLU WIRE LT GRN WIRE LT LT OCCUPANT RESTRAINT CONTROLLER MODULE OCCUPANT RESTRAINT CONTROLLER MODULE ORG/ WIRE PARK LAMP RELAY PASSENGER DOOR LOCK/ WINDOW SWITCH PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE PNK/LT GRN WIRE POWER DISTRIBUTION CENTER (LEFT SIDE OF ENGINE COMPT) RADIO REAR FOG RIGHT TURN LAMP TRAILER RELAY TOW RELAY RED WIRE RED/RED WIRE RUN/ACCESSORY DELAY RELAY STARTER STEERING CONTROL MODULE STOP TRANSMISSION LAMP CONTROL SWITCH MODULE POWERTRAIN (3.7L) CONTROL MODULE TAN WIRE TO FUSE 20 (DIAGRAM 3 OF 4) TO POWER DISTRIBUTION CENTER (DIAGRAM 4 OF 4) VIO WIRE YEL WIRE

A/C HEATER CONTROL BLK WIRE BLK/ORG WIRE BLOWER MOTOR RELAY POWER DISTRIBUTION CENTER (LEFT SIDE OF ENGINE COMPT) CIGAR LIGHTER CIRCUIT BREAKER 1 CLUSTER DATA LINK CONNECTOR DK BLU WIRE DOOR LOCK RELAY DRIVER DOOR UNLOCK ELECTRONIC OVERHEAD MODULE EXCEPT PREMIUM FINAL DRIVE CONTROL MODULE (RFE) FROM FUSE FROM FUSE 1 (DIAGRAM 3 OF 4) FROM POWER DISTRIBUTION CENTER (DIAGRAM 2 OF 4) FROM POWER DISTRIBUTION CENTER (DIAGRAM 4 OF 4) FUSE 1 RELAY PASSENGER DOOR UNLOCK RELAY FUSE 10 FUSE 13 FUSE 14 FUSE 15 FUSE 16 FUSE 20 REAR WIPER RELAY PNK/ WIRE FUSE 4 FUSE 5 FUSE 9 GRY WIRE IN HEADLAMP, DASH HARNESS) INSIDE REARVIEW MIRROR INSTRUMENT PANEL POWER LEFT REAR HEATED SEAT SWITCH LT GRN WIRE LT GRN/RED WIRE ORG/ WIRE OUTLET PARK ASSIST MODULE PNK PNK WIRE PNK WIRE PNK/ (LEFT REAR OF HEADLINER) WIRE PNK/GRY WIRE PNK/YEL WIRE POWER OUTLET RELAY PREMIUM RADIO AMPLIFIER UPPER LOWER BANK BANK SWITCH SWITCH RAIN SENSOR REAR POWER OUTLET REAR WINDOW DEFOGGER RELAY RED WIRE RED/DK BLU WIRE RED/ORG WIRE RED/VIO WIRE RELAY RIGHT LEFT FRONT FRONT TIRE TIRE PRESSURE PRESSURE TRANS- TRANS- PONDER PONDER RIGHT REAR HEATED SEAT SWITCH RIGHT REAR TIRE PRESSURE TRANS- PONDER RUN WIRE RUN/ ACCESSORY RELAY SCCON SAS STEERING CONTROL CLOCK SPRING MODULE STEERING CONTROL MODULE TAN WIRE TO INTEGRATED POWER MODULE (DIAGRAM 1 OF 4) TO RUN RELAY (DIAGRAM 3 OF 4) TRAILER TOW 7 WAY WIRING WHT WIRE YEL WIRE YEL/RED WIRE