Tools Required

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

J 42000 Battery Tester. See Special Tools and Equipment .

For best results, use an automatic taper-rate battery charger with a voltage capability of 16 volts.
The charging area should be well ventilated.
Do not charge a battery that appears to be frozen; allow the battery to warm to room temperature and test it using the J 42000 before charging. See Special Tools and Equipment .