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WIRING-DIAGRAMS

AIR CONDITIONING – Jeep Grand Cherokee Limited 2008 – SYSTEM WIRING DIAGRAMS

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AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 3) for Jeep Grand Cherokee Limited 2008

Automatic AC Wiring Diagram (1 of 3) for Jeep Grand Cherokee Limited 2008 Download PDF file

List of elements for Automatic A/C Wiring Diagram (1 of 3) for Jeep Grand Cherokee Limited 2008:

  • (left rear
  • 87a
  • A/c heater control
  • A114
  • Blower motor (right side of hvac unit)
  • Blower motor relay
  • Blower mtr gnd
  • Blower mtr power
  • Blower mtr rly out
  • C115
  • C121
  • C139
  • C161
  • C21
  • C255
  • C266
  • C268
  • C55
  • C56
  • C61
  • C66
  • C68
  • C75
  • C939
  • Can b bus (+)
  • Can b bus (-)
  • Computer data lines system
  • D54
  • D55
  • Defogger rly ctrl
  • Drv panel lamps
  • Evaporator temp sens sig
  • Evaporator temperature sensor (left side of hvac unit)
  • F921
  • Front blower control
  • Front blower ctrl
  • Front blower power module (right side of hvac unit)
  • Front mode door common drv
  • Front mode door drv
  • Fuse 10 10a
  • Fuse 11 40a
  • Fused b (+)
  • Fused run rly out
  • G139
  • G200 (near breakout to data link connector)
  • G39
  • G939
  • Ground
  • Hot at all times
  • Hot w/ run relay energized
  • Interior lights system
  • Junction block (left side of dash)
  • Left blend door common drv
  • Left blend door drv
  • Of engine compt) g100
  • Power distribution center (left side of engine compt)
  • Rear mode door actuator (center of hvac unit)
  • Rear mode door common drv
  • Rear mode door drv
  • Rear window defogger relay
  • Recirculation door common drv
  • Recirculation door drv
  • Right blend door actuator (center of hvac unit)
  • Right blend door common drv
  • Right blend door drv
  • S136
  • S204
  • Sens gnd
  • Sun sens 1 sig
  • Sun sens 2 sig
  • Sun sens return
  • Sun sens rtn
  • Sun sensor (top center of dash)
  • Z134
  • Z906

Automatic A/C Wiring Diagram (2 of 3) for Jeep Grand Cherokee Limited 2008

Automatic AC Wiring Diagram (2 of 3) for Jeep Grand Cherokee Limited 2008Get access to all wiring diagrams of the carDownload PDF file

List of elements for Automatic A/C Wiring Diagram (2 of 3) for Jeep Grand Cherokee Limited 2008:

  • (left rear of engine compt) g100
  • (left side of engine compt) g101
  • (left side of engine compt) g102
  • (left side of engine compt) integrated power module
  • 3.0l
  • 3.0l/ 4.7l
  • 4.7l/5.7l/ 6.1l
  • 5.7l
  • 5.7l/ 6.1l
  • 6.1l
  • 87a
  • A/c clutch relay
  • A/c compressor clutch (4.7l: top front of engine) (5.7l/6.1l: lower left front of engine)
  • A/c pressure sig
  • A/c pressure transducer (right front of engine compt)
  • A916
  • C18
  • Can c bus (+)
  • Can c bus (-)
  • Computer data lines system
  • D64
  • D65
  • F891
  • Fan rly ctrl
  • Fcm sens return
  • Front control module
  • Front mode door actuator (left side of hvac unit)
  • Fuse 10a
  • Fuse 15a
  • Fuse 20a
  • Fuse 25a
  • Fuse 50a
  • Fused b (+)
  • Ground
  • High speed fan rly out
  • Hot at all times
  • Hot in on or start
  • Hot w/ auto shut down relay energized
  • Hydraulic cooling fan module (5.7l/3.0l) (left side of engine compt)
  • Ipm
  • Junction block (left side of dash)
  • K173
  • Left blend door actuator (left side of hvac unit)
  • Low speed fan rly out
  • N23
  • N24
  • Power distribution center (left side of engine compt)
  • Radiator fan ctrl
  • Radiator fan high relay (4.7l)
  • Radiator fan low relay (4.7l)
  • Radiator fan solenoid ctrl
  • Radiator fan/motor assembly (4.7l) (on fan module, behind radiator)
  • Recirculation door actuator (right side of hvac unit)
  • Red
  • Red/ tan
  • S106
  • S125
  • S128 (3.0l/ 5.7l)
  • S151 (in headlamp & dash harness)
  • S202 (premium)
  • Z823

Automatic A/C Wiring Diagram (3 of 3) for Jeep Grand Cherokee Limited 2008

Automatic AC Wiring Diagram (3 of 3) for Jeep Grand Cherokee Limited 2008Get access to all wiring diagrams of the carDownload PDF file

List of elements for Automatic A/C Wiring Diagram (3 of 3) for Jeep Grand Cherokee Limited 2008:

  • (left side of engine compt) integrated power module
  • 3.0l
  • 4.7l/5.7l/ 6.1l
  • A/c clutch relay control
  • C13
  • Cabin heater
  • Can c bus (+)
  • Can c bus (-)
  • Computer data lines system
  • D64
  • D65
  • Ect signal
  • Engine control module
  • Engine controls system
  • Engine coolant temperature sensor
  • Engine coolant temperature sensor (4.7l: top front of engine) (5.7l/6.1l: left front of engine)
  • Front control module
  • Fuse 25a
  • Fuse 50a
  • G202
  • Hot at all times
  • Hot w/ auto shut down relay energized
  • Ipm
  • K125
  • K222
  • K360
  • K361
  • K363
  • K900
  • Power distribution center (left side of engine compt)
  • Powertrain control module (right rear of engine compt)
  • Ptc 1 relay (3.0l)
  • Ptc 2 relay (3.0l)
  • Ptc 3 relay (3.0l)
  • Ptc 3 rly ctrl
  • Red
  • Red/ tan
  • Rly ctrl
  • S141 (5.7l: right rear of engine) (4.7l: right side of engine)
  • S151 (in headlamp & dash harness)
  • Sens gnd
  • Sens sig
  • Sensor ground

Manual A/C Wiring Diagram (1 of 2) for Jeep Grand Cherokee Limited 2008

Manual AC Wiring Diagram (1 of 2) for Jeep Grand Cherokee Limited 2008Get access to all wiring diagrams of the carDownload PDF file

List of elements for Manual A/C Wiring Diagram (1 of 2) for Jeep Grand Cherokee Limited 2008:

  • (in headlamp & dash harness) s198
  • (left rear
  • 87a
  • A/c heater control
  • A/c sw sense
  • A/c sw sns
  • Blower high speed
  • Blower low speed
  • Blower m1 speed
  • Blower m2 speed
  • Blower motor (right side of hvac unit)
  • Blower motor relay
  • Blower motor resistor (right side of hvac unit)
  • Blower sw position sig
  • C115
  • C121
  • C139
  • C21
  • C221
  • C255
  • C266
  • C268
  • C41
  • C55
  • C66
  • C68
  • C70
  • C71
  • C72
  • C73
  • C939
  • Cluster
  • Defogger rly ctrl
  • Dimmer indicator sig
  • Dimmer sig ind
  • Drv panel lamps
  • E16
  • Evaporator temp sens sig
  • Evaporator temperature sensor (left side of hvac unit)
  • F921
  • Front mode door common drv
  • Front mode door drv
  • Fuse 10 10a
  • Fuse 11 40a
  • Fused run rly out
  • G200 (near breakout to data link connector)
  • Ground
  • Hot at all times
  • Hot w/ run relay energized
  • Interior lights system
  • Junction block (left side of dash)
  • Left blend door common drv
  • Left blend door drv
  • Of engine compt) g100
  • Power distribution center (left side of engine compt)
  • Rear mode door common drv
  • Rear mode door drv
  • Rear window defogger relay
  • Recirculation door actuator (right side of hvac unit)
  • Recirculation door common drv
  • Recirculation door drv
  • S136
  • S204
  • Sens gnd
  • Z134
  • Z906

Manual A/C Wiring Diagram (2 of 2) for Jeep Grand Cherokee Limited 2008

Manual AC Wiring Diagram (2 of 2) for Jeep Grand Cherokee Limited 2008Get access to all wiring diagrams of the carDownload PDF file

List of elements for Manual A/C Wiring Diagram (2 of 2) for Jeep Grand Cherokee Limited 2008:

  • (3.0l) engine coolant temperature sensor
  • (left rear of engine compt) g100
  • 3.0l
  • 3.0l/ 3.7
  • 3.7l/6.1l
  • 6.1l
  • 87a
  • A/c clutch relay
  • A/c clutch relay control
  • A/c compressor clutch (3.7l: top front of engine) (6.1l: lower left front of engine)
  • A916
  • C13
  • Can c bus (+)
  • Can c bus (-)
  • Computer data lines system
  • D64
  • D65
  • Ect signal
  • Engine control module
  • Engine controls system
  • Engine coolant temperature sensor (3.7l: top front of engine) (6.1l: left front of engine)
  • Fan rly ctrl
  • Front control module
  • Front mode door actuator (left side of hvac unit)
  • Fuse 10a
  • Fuse 20a
  • Fuse 25a
  • Fuse 50a
  • Fused b (+)
  • G101 (left side of engine compt)
  • G102 (left side of engine compt)
  • Ground
  • High radiator fan relay (3.7l)
  • High speed fan rly out
  • Hot at all times
  • Hot in on or start
  • Hot w/ auto shut down relay energized
  • Hydraulic cooling fan module (3.0l) (left side of engine compt)
  • Integrated power module (left side of engine compt)
  • Ipm
  • Junction block (left side of dash)
  • K173
  • K222
  • K900
  • Left blend door actuator (left side of hvac unit)
  • Low radiator fan relay (3.7l)
  • Low speed fan rly out
  • N23
  • N24
  • Power distribution center (left side of engine compt)
  • Powertrain control module (right rear of engine compt)
  • Radiator fan solenoid ctrl
  • Radiator fan/motor assembly (3.7l) (on fan module, behind radiator)
  • Rear mode door actuator (center of hvac unit)
  • Red
  • Red/ tan
  • Rly ctrl
  • S106
  • S125
  • S128 (3.0l/ 5.7l)
  • S141
  • S151 (in headlamp & dash harness)
  • Sens gnd
  • Sens sig
  • Sensor ground
  • Z823

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