Removal Procedure
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect the auxiliary battery negative cable. Refer to Battery Negative Cable Disconnection and Connection (With Single Battery) , Battery Negative Cable Disconnection and Connection (With Auxiliary Battery) or Battery Negative Cable Disconnection and Connection (With Dual Batteries) .
- Remove the underhood junction block cover.
- Lift the junction block retainers from the locked position (3) and rotate the retainers to the open position (1).
- Remove the junction block.
- Remove the auxiliary battery positive cable connector (1) from the underhood bussed electrical center (UBEC).
- Remove the mega fuse cover (3).
- Disconnect the auxiliary battery positive cable electrical connector (2) from the engine wiring harness connector.
- Remove the relay (1) clip from the stud on the front of dash.
- Remove the auxiliary battery positive cable nut (1) from the mega fuse holder.
- Remove the generator battery jumper cable nut (3) from the mega fuse holder.
- Remove the generator battery jumper cable terminal (2) from the mega fuse stud.
- Remove the auxiliary battery positive cable from the mega fuse holder.
- Disconnect auxiliary battery positive cable electrical connector (1) from the auxiliary battery relay.
- Reposition the auxiliary battery positive cable boot (5).
- Remove the auxiliary battery positive cable nut (4) and cable from the battery relay.
- Remove the auxiliary battery positive cable retainer (2) from the stud on the front of dash.
- Remove the auxiliary battery positive cable push nuts (6).
- Remove the auxiliary battery positive cable from the vehicle.