Main Wiring Harness (G2312650): Removal
- This procedure contains some variation in the illustration depending on the vehicle specification, but essential information is always correct.
- This procedure contains illustrations showing certain components removed to provide extra clarity.
- This procedure contains illustrations for left hand drive vehicles, right hand drive vehicles are similar.
The following step(s) applies to:
All vehicles
- Remove the front seats.
Refer to: FRONT ROW SEAT .
- Raise and support the vehicle on a suitable 2 post lift.
Refer to: JACKING AND LIFTING .
- Release the fuel pressure.
Refer to: FUEL SYSTEM PRESSURE RELEASE .
- Disconnect the 12 V system.
Refer to: 12V SYSTEM DISCONNECT .
- Remove the fuel tank.
Refer to: FUEL TANK (G2300118)
Refer to: FUEL TANK .
Refer to: FUEL TANK (G2300118)
- Remove the rear bumper.
Refer to: REAR BUMPER .
- Remove the outer tail lamps.
Refer to: OUTER TAIL LAMP .
- Remove the rear wheel arch liners.
Refer to: REAR WHEEL ARCH LINER .
- Remove the Battery Junction Box (BJB).
Refer to: BATTERY JUNCTION BOX .
- Remove the Engine Junction Box (EJB).
Refer to: ENGINE JUNCTION BOX .
- Remove the startup battery tray.
Refer to: STARTUP BATTERY TRAY .
Refer to: STARTUP BATTERY TRAY .
- Remove the coolant expansion tank.
Refer to: the appropriate service information
Refer to: COOLANT EXPANSION TANK .
Refer to: the appropriate service information
- Remove the headlamps.
Refer to: HEADLAMP ASSEMBLY .
- Remove the windshield washer reservoir.
Refer to: WINDSHIELD WASHER RESERVOIR .
- Remove the Fuel Fired Booster Heater (FFBH) assembly.
Refer to: FUEL FIRED BOOSTER HEATER .
- Remove the secondary bulkhead center panel.
Refer to: SECONDARY BULKHEAD CENTER PANEL .
- Remove the Powertrain Control Module (PCM).
Refer to: the appropriate service information
Refer to: POWERTRAIN CONTROL MODULE .
Refer to: the appropriate service information
The following step(s) applies to:
Plug in hybrid electric vehicles only
- Remove the charging socket flap.
Refer to: CHARGING SOCKET FLAP - VEHICLES WITH: PHEV .
The following step(s) applies to:
Vehicles without roof opening panel
- Remove the headliner.
Refer to: HEADLINER .
The following step(s) applies to:
Vehicles with roof opening panel
- Remove the roof blind.
Refer to: ROOF BLIND .
The following step(s) applies to:
All vehicles
- Remove the instrument panel cross-car beam.
Refer to: INSTRUMENT PANEL CROSS-CAR BEAM .
- Remove the front left floor carpet.
Refer to: FRONT FLOOR CARPET .
- Remove the rear floor carpets.
Refer to: REAR FLOOR CARPET .
-
NOTE: If equipped.
- Disconnect the glow plug control module electrical connector.
- Release the 2 wiring harness clips.
- Disconnect the left pedestrian impact sensor electrical connector.
- Disconnect the 2 electrical connectors at the front left wheelhouse.
- Release the 2 wiring harness clips.
- Disconnect the front left height sensor electrical connector.
- Release the 6 wiring harness clips.
The following step(s) applies to:
Plug in hybrid electric vehicles only
- Disconnect the exterior sound synthesizer sounder electrical connector.
- Disconnect the electric auxiliary coolant pump electrical connector.
The following step(s) applies to:
All vehicles
- Disconnect the lower active grille electrical connector.
- Release the wiring harness clip.
- Disconnect the 2 power steering link harness electrical connectors.
- Disconnect the FFBH auxiliary coolant pump electrical connector.
- Disconnect the 2 horn electrical connectors.
- Release the 2 wiring harness grommets.
- Disconnect the front right height sensor electrical connector.
- Disconnect the right pedestrian impact sensor electrical connector.
- Disconnect the electric drive coolant pump electrical connector.
- Disconnect the front right wheel speed sensor electrical connector.
- Release the 12 wiring harness clips.
- Disconnect the front right Adaptive Damping (AD) link harness electrical connector.
- Release the wiring harness grommet in the area of the front right wheelhouse.
- Release the 2 wiring harness clips.
- Disconnect the Battery Back-Up Sounder (BBUS) electrical connector.
- Release the wiring harness clip.
- Remove the ground cable bolt.
- Disconnect the radiator lower coolant hose temperature sensor electrical connector.
- Release the hose clip.
- Release the wiring harness clip.
The following step(s) applies to:
Plug in hybrid electric vehicles only
- Disconnect the Plug-in Hybrid Electric Vehicle (PHEV) battery cooler link harness electrical connector.
- Disconnect the PHEV battery cooler isolation solenoid electrical connector.
- Disconnect the electric auxiliary coolant pump electrical connector.
- Disconnect the radiator lower coolant hose temperature sensor electrical connector.
- Release the 3 wiring harness clips.
The following step(s) applies to:
All vehicles
- Disconnect the Pedestrian Protection System (PPSCM) airbag electrical connector.
- Release the 2 wiring harness clips.
- Release the wiring harness bracket.
Release the wiring harness bracket at the hood hinge.
- Disconnect the right PPSCM actuator link harness electrical connector.
- Release the 4 wiring harness clips.
- Release the wiring harness bracket.
- Release the 2 wiring harness grommets from the front bulkhead.
- Remove the 2 PCM ground cable bolts.
- Disconnect the Air Conditioning (A/C) pressure sensor electrical connector.
- Disconnect the FFBH auxiliary coolant pump electrical connector.
- Disconnect the PCM cooling fan electrical connector.
- Disconnect the 2 electrical connectors at the brake booster.
- If equipped, disconnect the clutch pedal position sensor electrical connector.
- Release the 4 wiring harness clips.
- Release the 2 hose clips.
- Disconnect the left PPSCM actuator link harness electrical connector.
- Release the wiring harness bracket.
- Release the 8 wiring harness clips.
- Release the front left bulkhead wiring harness grommet.
- Release the engine wiring harness grommet from the startup battery tray support.
- Release the 2 coolant hoses as illustrated.
- Release the brake booster vacuum pipe.
- Remove the 2 nuts.
- Remove the startup battery tray support.
- Disconnect the Anti-Lock Brake System Control Module (ABS) electrical connector.
- Disconnect the cooling fan link harness electrical connector.
- Remove the 4 ground cable bolts.
- Release the 9 wiring harness clips.
The following step(s) applies to:
Plug in hybrid electric vehicles only
- Disconnect the Brake Booster Module (BBM) electrical connector.
- Disconnect the brake fluid level sensor electrical connector.
- Release the wiring harness clip.
- Disconnect the coolant changeover valve electrical connector.
- Disconnect the 2 auxiliary coolant pump electrical connectors.
- Release the 3 wiring harness clips.
- Disconnect the high voltage coolant heater electrical connector.
- Release the wiring harness clip.
The following step(s) applies to:
All vehicles
- Disconnect the front left impact sensor electrical connector.
- Disconnect the upper active grille electrical connector.
- Release the 2 wiring harness clips.
Release the 4 wiring harness clips in the area of the A/C system service connections.
- Disconnect the hood switch electrical connector.
- Release the 3 wiring harness clips.
- Remove the ground cable bolt.
-
NOTE: This step must be done on both sides of the vehicle.
Release both front door wiring harness electrical connectors.
-
NOTE: This step must be done on both sides of the vehicle.
Release the rear door wiring harness grommets.
-
NOTE: This step must be done on both sides of the vehicle.
Disconnect both rear door wiring harness electrical connectors.
Release the 4 wiring harness clips and remove the ground cable bolt in the area of the left A-pillar.
Reposition the Noise, Vibration and Harshness (NVH) material from the bulkhead in the area of the pedal assemblies.
- Disconnect the electrical connectors from the pedal assemblies.
- Release the wiring harness grommet.
- Remove the 2 ground cable bolts.
- Release the 8 wiring harness clips.
- Release door wiring harness connector from the left A-pillar.
- Release the wiring harness grommet.
- Remove the 2 bolts.
- Remove the 2 nuts.
- Remove the front left treadplate bracket.
- Release the wiring harness bracket at the front left treadplate.
- Release the wiring harness clip.
Release the 4 wiring harness clips under the front left treadplate bracket.
- Remove the 4 bolts.
- Release the wiring harness clip.
- Remove the 2 floor console air ducts.
Remove the underfloor air ducts.
- Remove the 4 clips.
- Remove the rear left footwell air duct bracket.
- Remove the 2 bolts.
- Disconnect the electrical connector.
- Remove the Occupant Monitoring Module (OMM).
The following step(s) applies to:
Plug in hybrid electric vehicles only
- Disconnect the 3 PHEV battery link harness electrical connectors.
- Release the wiring harness clip.
The following step(s) applies to:
All vehicles
- Disconnect the subwoofer electrical connector.
- Disconnect the 6 General Proximity Sensing Module (GPSM) electrical connectors.
- Disconnect the Mild Hybrid Electric Vehicle (MHEV) battery link harness electrical connector.
- Release the 15 wiring harness clips.
- Remove the 4 bolts.
- Remove the floor console center bracket.
-
NOTE: If equipped.
- Disconnect the 2 electric booster heater electrical connectors.
- Remove the 2 ground cable bolts.
- Release the wiring harness clip.
- Disconnect the Restraints Control Module (RCM) electrical connector.
- Release the 5 wiring harness clips.
- Remove the 2 bolts.
- Remove the 2 nuts.
- Remove the front left treadplate bracket.
- Remove the front right treadplate bracket.
- Remove the 4 clips.
- Release the 2 front seat wiring harness clips.
- Remove the rear right footwell air duct bracket.
- Remove the 3 bolts.
- Disconnect the 4 electrical connectors.
- Remove the Audio Amplifier Module (AAM).
- Disconnect the 8 Infotainment Master Controller (IMC) electrical connectors.
- Remove the ground cable bolt.
- Release the 11 wiring harness clips.
Release the main wiring harness center bracket.
- Disconnect the 3 Voltage Quality Module (VQM) electrical connectors.
- Disconnect the 6 Body Control Module/Gateway Module (BCM/GWM) electrical connectors.
- Disconnect the 6 Passenger Junction Box (PJB) electrical connectors.
- Remove the PJB cable nut.
- Remove the ground cable bolt.
- Release the 11 wiring harness clips.
- Remove the 5 nuts.
- Remove the BCM/GWM.
- Remove the PJB.
- Remove the 3 nuts.
- Remove the PJB and BCM/GWM bracket.
- Release the wiring harness clip.
Reposition the NVH material in the area of the VQM module.
- Release the wiring harness grommet.
- Release the wiring harness clip.
- Remove the ground cable bolt.
- Release door wiring harness connector from the right A-pillar.
- Release the wiring harness grommet.
- Release the 4 wiring harness clips and remove the ground cable bolt in the area of the right A-pillar.
- Release the wiring harness bracket.
- Disconnect the right roof blind motor electrical connector.
- Disconnect the right side air curtain electrical connector.
- Release the 7 wiring harness clips.
- Disconnect the left roof blind motor electrical connector.
- Disconnect the left side air curtain electrical connector.
- Release the 7 wiring harness clips.
-
NOTE:
- This step must be done on both sides of the vehicle.
- Left side shown, right side similar.
- Disconnect the B-pillar side impact sensor electrical connector.
- Disconnect the 2 front row seatbelt retractor electrical connectors.
- Release the 4 wiring harness clips.
-
NOTE:
- This step must be done on both sides of the vehicle.
- Right side shown, left side similar.
- Remove the 4 bolts.
- Remove the nut.
- Release the 3 wiring harness clips.
- Remove the rear treadplate bracket.
- Disconnect the fuel tank link harness grommet.
- Remove the ground cable bolt.
- Release the wiring harness clip.
-
NOTE: If equipped.
- Disconnect the FFBH fuel pump electrical connector.
- Disconnect the particulate matter sensor electrical connector.
- Disconnect the Selective Catalyst Reduction (SCR) system NOx sensor electrical connector.
- Release the 9 wiring harness clips.
- Disconnect the 3 second row seatbelt buckle electrical connectors.
- Disconnect the 2 second row seat backrest heater element electrical connectors.
- Remove the ground cable bolt.
- Release the 6 wiring harness clips.
- Disconnect the left C-pillar impact sensor electrical connector.
- Release the 4 wiring harness clips.
- Disconnect the left second row seatbelt retractor electrical connector.
- Release the 6 wiring harness clips from the left second row seatbelt retractor bracket.
- If equipped, disconnect the 2 television antenna amplifier electrical connectors.
- Remove the 4 bolts.
- Reposition the left second row seatbelt retractor and bracket assembly.
- Disconnect the 5 Rear Junction Box (RJB) electrical connectors.
- Remove the 3 ground cable bolts.
- Remove the RJB cable nut.
- Disconnect the 2 tailgate link harness electrical connectors.
Release the wiring harness bracket at the rear left fixed window.
- If equipped, disconnect the deployable towbar speaker electrical connector.
- Remove the left loadspace insulator foam.
Remove the right loadspace insulator foam.
Remove the loadspace stowage compartment.
- Disconnect the 4 Occupant Monitoring Module (SUMB) electrical connectors.
- Disconnect the Remote Function Actuator (RFA) electrical connector.
- Disconnect the Radio Frequency (RF) interference suppressor electrical connector.
- Disconnect the towbar link harness electrical connector.
- Release the 3 wiring harness clips.
The following step(s) applies to:
Plug in hybrid electric vehicles only
- Release the electric booster heater relay bracket.
- Release the wiring harness clip.
The following step(s) applies to:
All vehicles
- Disconnect the Passive Entry Passive Start (PEPS) system antenna electrical connector at the tailgate striker.
- Disconnect the illuminated treadplate link harness electrical connector.
- Release the 3 wiring harness clips.
- Disconnect the PEPS system antenna electrical connector at the second row seat backrest.
- Release the wiring harness clip.
- Disconnect the tailgate wiring harness electrical connector.
- Disconnect the RF filter electrical connector.
- Release the 5 wiring harness clips.
- Disconnect the 4 roof pod electrical connectors.
- Release the 5 wiring harness clips.
- Disconnect the tailgate wiring harness electrical connector.
- Release the 4 wiring harness clips.
- Disconnect the right second row seatbelt retractor electrical connector.
- If equipped, disconnect the 2 television antenna amplifier electrical connectors.
- Disconnect the 2 FFBH telestart receiver module electrical connectors.
- Release the 5 wiring harness clips from the right second row seatbelt retractor bracket.
- Remove the bolt.
- Remove the FFBH telestart receiver module.
- Remove the 4 bolts.
- Reposition the right second row seatbelt retractor and bracket assembly.
- Disconnect the 3 Global Navigation Satellite System (GNSS) signal splitter electrical connectors.
- Disconnect the 7 Telematic Control Unit Module (TCU) electrical connectors.
- Release the 7 wiring harness clips.
- Disconnect the 2 Parking Assist Control Module (PAM) electrical connectors.
- Disconnect the Diesel Exhaust Fluid (DEF) heater control unit electrical connector.
- Remove the 2 ground cable bolts.
- Release the 10 wiring harness clips.
- Release the wiring harness grommet at the right C-pillar.
- Release the 2 wiring harness clips.
- Disconnect the fuel flap release motor electrical connector.
- If equipped, disconnect the Fuel Pump Driver Module (FPDM) electrical connector.
- Release the 10 wiring harness clips.
Disconnect the 5 wiring harness clips at the rear right wheelhouse.
- If equipped, disconnect the right Blind Spot Monitoring (BSM) sensor electrical connector.
- If equipped, disconnect the DEF tank wiring harness electrical connector.
- Release the 4 wiring harness clips.
- Disconnect the left BSM sensor electrical connector.
- Release the 8 wiring harness clips.
- If equipped, disconnect the evaporative emission canister electrical connector.
- Disconnect the 3 rear subframe wiring harness electrical connectors.
- Release the 9 wiring harness clips.
The following step(s) applies to:
Plug in hybrid electric vehicles only
- Disconnect the 3 rear subframe wiring harness electrical connectors.
- Disconnect the charging socket electrical connector.
- Release the 11 wiring harness clips.
- Disconnect the Diagnostic Module Tank Leakage (DMTL) pump link harness electrical connector.
The following step(s) applies to:
All vehicles
Remove the main wiring harness.