Sierra Classic 3500 4WD V8-8.1L (2007)
Negative: Service and Repair
Battery Negative Cable Replacement
Battery Negative Cable Replacement (4.8L, 5.3L, 6.0L, and 8.1L Engines)
Removal Procedure
Caution: Refer to Battery Disconnect Caution in Cautions and Notices.
1. Disconnect the negative battery cable.
2. If necessary, remove the left front wheel house panel.
3. If equipped with a 4.8L, 5.3L, or 6.0L engine, remove the battery cable bracket bolt and bracket from the power steering pump.
4. If equipped, disconnect the accessory power fuse block front wiring harness electrical connector from the negative cable connector.
5. If equipped with a 4.8L, 5.3L, or 6.0L engine, perform the following:
1. Remove the negative cable clip from the positive cable clip.
2. Remove the engine wiring harness ground/negative cable bolt.
3. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
6. If equipped with a 8.1L engine, perform the following:
1. Remove the negative cable clip from the positive cable clip.
2. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
3. Remove the engine wiring harness ground/negative cable bolt.
