Rainier AWD L6-4.2L (2007)
5. Engage the sliding latch fastening the BCM to the rear electrical center. Slide the latch outboard until the locking tab (1) is fully seated.
6. Install the rear electrical center cover.
7. If replacing the body wiring harness extension on a Chevrolet TrailBlazer or GMC Envoy, position the left hand second seat to a passenger
position.
8. If replacing the body wiring harness extension on a Chevrolet TrailBlazer EXT or GMC Envoy XL, install the left second row seat.
9. Connect the negative battery cable.