Chevrolet 2003 Tahoe Owner's Manual page 402

Jumper Cable Removal
A. Heavy, Unpainted Metal Engine Part or Remote
B. Good Battery or Remote Positive (+) and Remote
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 bad battery.
2. Disconnect the black negative (-) cable from
vehicle with the good battery.
3. Disconnect the red positive (+) cable from the
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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