GMC 2000 Envoy Owner's Manual page 225

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. Don't connect
positive (+) to negative (
would damage the battery and maybe other parts too.
-
) will go to a heavy,
-
) or you'll get a short that
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.
8. Now connect the black
-
negative ( ) cable to
the good battery's
-
negative ( ) terminal.
5-5