Chevrolet 2002 Venture Owner's Manual page 341

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.
5-8
Jumper Cable Removal
A. Heavy, Unpainted Metal Engine Part
B. Good Battery or Remote Positive (+) Terminal
C. Dead Battery or Remote Positive (+) Terminal