Chevrolet T-Series Owner's Manual page 219

Notice: If the jumper cables are connected or
removed in the wrong order, electrical shorting
may occur and damage the vehicle. The repairs
would not be covered by your warranty. Always
connect and remove the jumper cables in the
correct order, making sure that the cables do
not touch each other or other metal.
Jumper Cable Removal
A. Heavy, Unpainted Metal Engine Part or
Remote Negative (−) Terminal
B. Good Battery or Remote Positive (+) and
Remote Negative (−) Terminals
C. Dead Battery or Remote Positive (+) Terminal
To disconnect the jumper cables from both
vehicles, do the following:
1. Disconnect the black negative (−) cable from
the vehicle that had the dead batteries.
2. Disconnect the black negative (−) cable from
the vehicle with the good batteries.
3. Disconnect the red positive (+) cable from the
vehicle with the good batteries.
4. Disconnect the red positive (+) cable from the
other vehicle.
219