C 2500 Truck 2WD V8-6.6L DSL Turbo VIN 1 (2001)
Tighten
Tighten the bolts to 20 N.m (15 lb ft).
7. Install the battery cables and nuts to the IAH relay controller.
Tighten
Tighten the nuts to 5 N.m (44 lb in).
8. Reposition the battery cable boots (1).
9. Connect the IAH relay electrical connector (3).
10. Connect the engine harness connector (2).