Installation Procedure

WARNING: This page is about a different car, the 2007 Isuzu Ascender, 2007 GMC Envoy, 2007 Chevrolet TrailBlazer, and 2007 Buick Rainier. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of BCM & Rear Electrical Center

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Index the slots on the BCM (1) to the rear electrical center.
Using a downward motion, install the BCM to the rear electrical center.

Fig 2: Identifying BCM Connectors

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Connect the 24-way gray electrical connector (1) to the BCM.
Connect the 32-way tan electrical connector (2) to the BCM.

Fig 3: View Of Body Wiring Extension From BCM

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Connect the 40-way body wiring extension (1) to the BCM.

Fig 4: Identifying Rear Electrical Center Locking Tab

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Engage the sliding latch fastening the BCM to the rear electrical center.
Slide the latch outboard until the locking tab (1) is fully seated.

Fig 5: View Of Rear Electrical Center Cover

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Install the rear electrical center cover.
If replacing the BCM on a Chevrolet TrailBlazer or GMC Envoy, position the left hand second seat to a passenger position.
If replacing the BCM on a Chevrolet TrailBlazer EXT or GMC Envoy XL, install the left second row seat. Refer to Rear Seat Replacement .
Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
If installing a replacement BCM, program the BCM. Refer to Control Module References .