Rainier AWD L6-4.2L VIN S (2005)
Fuse Block: Service and Repair
Rear Electrical Center or Junction Block Replacement
REAR ELECTRICAL CENTER OR JUNCTION BLOCK REPLACEMENT
REMOVAL PROCEDURE
1. Disconnect the battery negative cable.
CAUTION: Refer to Battery Disconnect Caution in Service Precautions.
2. If replacing the rear electrical center on a Chevrolet Trailblazer EXT or GMC Envoy XL, remove the left second row seat. Refer to Seat
Replacement - Rear No. 1 (Trailblazer EXT, Envoy XL, Envoy XUV) in Seats.
3. If replacing the rear electrical center on a Chevrolet Trailblazer or GMC Envoy, position the left second row seat to a cargo position.
4. Remove the rear electrical center cover.
5. Remove the battery feed terminal nut (2) from the junction block.
6. Remove the body control module (BCM) from the rear electrical center.
7. Fully loosen the 3 bolts (1) that retain the junction block to the electrical connectors.
8. Release the tabs that retain the junction block to the block base.
9. Remove the junction block from the block base.
10. Disconnect the instrument panel harness connector (1) from the junction block.
