Sierra Classic 1500 2WD V8-5.3L Hybrid (2007)
15. Connect the engine harness electrical connector.
16. Install the CPA retainer on the engine harness electrical connector.
17. Install the 3-phase cable to the GCM.
18. Install the 3-phase cable nuts to the GCM.
Tighten the nuts to 15 N.m (11 lb ft).
19. Install the GCM cover and bolts.
Tighten the bolts to 9 N.m (80 lb in).
20. Install the GCM coolant tank.
21. Install the surge tank.
22. Install the air cleaner assembly.
23. Connect the battery service disconnect/connect.
24. Program the GCM. Refer to Control Module References for programming and setup information. See: Testing and Inspection/Programming and
Relearning
