Silverado 2500 4WD V8-6.6L DSL Turbo (2010)
2. Turn the ignition OFF.
3. Open the hood.
4. Loosen the primary battery negative cable clamp nut (1).
5. Remove and reposition the primary battery negative cable, away from the battery.
6. Loosen the auxiliary battery negative clamp nut (1).
7. Remove the auxiliary battery negative cable (2) from the auxiliary battery negative post.
8. Reposition the auxiliary negative battery cable away from the battery.
Connect Procedure
Warning: Refer to Battery Disconnect Warning (See: Service Precautions).
Note: Clean any existing corrosion from the battery terminal and the battery cable end.
1. Install the auxiliary battery negative cable (2) onto the auxiliary battery negative post.
Caution: Refer to Fastener Caution (See: Service Precautions/Vehicle Damage Warnings/Fastener Caution).