Sierra 1500 2WD V8-5.3L Hybrid (2004)
28. Connect the battery resistor electrical connector (1), labeled XR4 to the number 3 battery positive resistor.
29. Install the battery resistor (2) to the number 1 battery positive terminal.
30. Install the power cable (3) to battery 1 and battery 2.
31. Install the power cable nuts (1) to battery 1 and battery 2.
Tighten
Tighten the nuts to 10 N.m (89 lb in).
32. Connect the battery resistor electrical connector.
