GMC C-Series 2001 Owner's Manual page 174

5. Check that the jumper cables don't have loose or
missing insulation. If they do, you could get a shock.
The vehicles could be damaged, too.
Before you connect the cables, here are some basic
things you should know. Positive (+) will go to
positive (+) and negative (
unpainted metal engine part or some other
-
well grounded part. Don't connect positive (+) to
-
negative ( ) or you'll get a short that would damage
the battery and maybe other parts, too.
CAUTION:
Fans or other moving engine parts can injure you
badly. Keep your hands away from moving parts
once the engine is running.
-
) will go to a heavy,
6. Connect the red
positive (+) cable to the
positive (+) terminal of
the vehicle with the
dead battery.
7. Don't let the other end
touch metal. Connect
it to the positive (+)
terminal of the
good battery.
5-7