C 2500 Yukon XL 2WD V8-8.1L VIN G (2002)
4. Loosen the positive cable bolt at the underhood bussed electrical center (UBEC).
5. If necessary, remove the engine sight shield.
6. Unsnap the junction block cover.
7. Remove the positive battery cable (1) from the junction block.
8. If equipped with a 4.8 L, 5.3 L, or 6.0 L engine, remove the negative cable clip from the positive cable clip.
9. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle.
