1. Turn off all the lamps and accessories.
2. Turn the ignition OFF.

Caution: Refer to Battery Disconnect Caution in the Preface section.




3. Remove the battery ground negative cable and bolt from the battery 4.3L.

Caution: Refer to Battery Disconnect Caution in the Preface section.

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

Important: Clean any existing corrosion from the battery terminal bolt flange and the battery cable end.

Install the battery ground negative cable and bolt to the battery.

Tighten
Tighten the battery terminal bolt to 15 N·m (11 lb ft).