Silverado 3500 4WD V8-6.0L VIN U (2004)
INSTALLATION PROCEDURE
1. Install the negative battery cable.
2. Raise the vehicle.
3. Position the negative cable and forward lamp wiring harness ring terminals to the frame. Insert the anti-rotation tab on the forward lamp wiring
harness into the hole in the frame.
NOTE: Refer to Fastener Notice in Service Precautions.
4. Install the forward lamp wiring harness ground/negative cable bolt.
Tighten
Tighten the bolt to 9 N.m (80 lb in).
IMPORTANT: The engine wiring harness ground is to be installed under the negative cable ground.
5. If equipped with a 8.1L engine, position the wiring harness ground and negative cables. Position the anti-rotation tab on the negative cable in the
correct location.
6. Install the engine wiring harness ground/negative cable bolt.
Tighten
Tighten the bolt to 25 N.m (18 lb ft).
7. Lower the vehicle.
8. Install the negative cable clip to the positive cable clip.