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HOMESERVICE MANUALSISUZU2006ASCENDER S, 4.2 S, 4WDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESCOMPUTER/INTEGRATING SYSTEMSREPAIR INSTRUCTIONSBODY CONTROL MODULE REPLACEMENTINSTALLATION PROCEDURE
2006 Isuzu Ascender S, 4.2 S, 4WD

Installation Procedure

2006 Isuzu Ascender S, 4.2 S, 4WDSECTION Installation Procedure
    Fig 1: BCM And Rear Electrical Center
    GM684391Courtesy of GENERAL MOTORS CORP.
  1. Index the slots on the BCM (1) to the rear electrical center.
  2. Using a downward motion, install the BCM to the rear electrical center.
    3. Fig 2: Connecting BCM Connectors
    GM709161Courtesy of GENERAL MOTORS CORP.
  3. Connect the 24-way gray electrical connector (1) to the BCM.
  4. Connect the 32-way tan electrical connector (2) to the BCM.
    5. Fig 3: View Of Body Wiring Extension From BCM
    GM684396Courtesy of GENERAL MOTORS CORP.
  5. Connect the 40-way body wiring extension (1) to the BCM.
    6. Fig 4: Identifying Rear Electrical Center Locking Tab
    GM728745Courtesy of GENERAL MOTORS CORP.
  6. Engage the sliding latch fastening the BCM to the rear electrical center.

    Slide the latch outboard until the locking tab (1) is fully seated.

    7. Fig 5: View Of Rear Electrical Center Cover
    GM683548Courtesy of GENERAL MOTORS CORP.
  7. Install the rear electrical center cover.
  8. If replacing the BCM on a Chevrolet TrailBlazer or GMC Envoy, position the left hand second seat to a passenger position.
  9. If replacing the BCM on a Chevrolet TrailBlazer EXT or GMC Envoy XL, install the left second row seat. Refer to Seat Replacement - Rear No. 1 (TrailBlazer EXT, Envoy XL) in Seats.
  10. Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.
  11. If installing a replacement BCM, program the BCM. Refer to Control Module References .
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.