Silverado Classic 1500 4WD V8-5.3L Hybrid (2007)
8. Position the wiring harness ground (3) and battery cable ground (1).
9. Install the engine wiring harness ground/negative cable bolt (2).
Tighten the bolt to 25 N.m (18 lb ft).
10. Lower the vehicle.
11. Install the 14V positive/negative cable clips (1) to the frame.
12. Connect the 14V positive/negative battery cable.
13. Install the red CPA retainer.
14. Tighten the 14V positive/negative battery cable bolt (1).
Tighten the bolt to 9 N.m (80 lb in).