C 2500 Yukon XL 2WD V8-8.1L VIN G (2002)
4. Position the boot to cover the stud.
5. Install the auxiliary battery.
Battery Relay to Starter
REMOVAL PROCEDURE
CAUTION: Refer to Battery Disconnect Caution in Service Precautions.
1. Disconnect the auxiliary negative battery cable.
2. Reposition the boot to expose the stud.
3. Remove the auxiliary battery positive cable nut.
5. Remove the auxiliary battery positive cable to the auxiliary battery relay.
5. Remove the auxiliary battery positive cable clip from the auxiliary battery tray.
6. Raise and suitably support the vehicle. refer to Lifting and Jackmg the Vehicle.