Silverado Classic 1500 4WD V8-5.3L Hybrid (2007)
16. Loosen the 42-volt positive/negative battery cable bolt (1).
17. Remove the red CPA retainer.
18. Disconnect the 42-volt positive/negative battery cable.
19. Disconnect the 42-volt jumper ground wire connector (2).
20. Remove the GCM rear bolt (2).
21. Remove the GCM front bolt (3).
22. Remove the brace (4).
23. Remove the GCM.
Installation Procedure