Sierra Classic 1500 2WD V8-5.3L Hybrid (2007)
6. If necessary, remove the power cable nuts (1) from battery 1 and battery 2.
7. Remove the power cable (3) from battery 1 and battery 2.
8. Remove the battery resistor from the battery 1 positive terminal.
9. If necessary, cut the tie straps (1) securing the power cables to the generator battery carrier.
10. Remove the power cable nuts (3) from battery 2 and battery 3.
11. Remove the power cable (2) from battery 2 and battery 3.
12. Remove the battery resistor from the battery 3 negative terminal.
13. If necessary, remove the power cable nut (1) from battery 3.