Chevrolet 2003 Avalanche Owner's Manual page 381

Notice: Damage to your vehicle may result from
electrical shorting if jumper cables are removed
incorrectly. To prevent electrical shorting, take care
that the cables don't touch each other or any
other metal. The repairs wouldn't be covered by
your warranty.
Jumper Cable Removal
A. Heavy, Unpainted Metal Engine Part or Remote
B. Good Battery or Remote Positive (+) and
C. Dead Battery or Remote Positive (+) Terminal.
Negative (-) Terminal.
Negative (-) Terminals.
To disconnect the jumper cables from both vehicles do
the following:
1. Disconnect the black negative (-) cable from the
vehicle that had the dead battery.
2. Disconnect the black negative (-) cable from the
3. Disconnect the red positive (+) cable from the
vehicle with the good battery.
vehicle with the good battery.
4. Disconnect the red positive
(+) cable from the other
vehicle.
5. Return the positive (+) remote terminal cover to its
original position.
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