GMC 2004 Savana Van Owner's Manual page 290

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 (+) or to a remote positive (+) terminal if
the vehicle has one. Negative ( ) will go to a heavy,
unpainted metal engine part or to a remote
negative ( ) terminal if the vehicle has one.
Don't connect positive (+) to negative ( ) or you will
get a short that would damage the battery and
maybe other parts, too. And don't connect
the negative ( ) cable to the negative ( ) terminal
on the dead battery because this can cause sparks.
5-44
6. Connect the red positive (+) cable to the positive (+)
terminal of the dead battery. Use a remote
positive (+) terminal if the vehicle has one.