Envoy 2WD L6-4.2L (2008)
5. Connect the 40-way body wiring extension (1) to the BCM.
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. 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 GMC Envoy XL, install the left second row seat. Refer to Rear Seat Replacement.
10. Connect the negative battery cable.
11. If installing a replacement BCM, program the BCM.