Avalanche 1500 2WD V8-5.3L (2008)
4. Disconnect the fuel injector electrical connector.
14. Remove the engine wiring harness clip (4) from the generator battery jumper cable.
15. Remove the engine wiring harness clip (6) from the ignition coil bracket stud.
16. Remove the negative battery cable stud (1) from the right cylinder head.
17. Remove the negative battery cable terminal (2) and engine wiring harness ground terminal (3) from the cylinder head.
18. Remove the engine wiring harness clip bolt (3) from the generator bracket.
19. Gather the branches of the engine wiring harness and reposition the aside.
