Pontiac 2003 Montana Owner's Manual page 368

Don't let the other end touch anything until the next
step. The other end of the negative (-) cable
doesn't go to the dead battery. It goes to a heavy,
unpainted metal part, or to a remote negative (-)
terminal on the vehicle with the dead battery.
IO. Now start the vehicle with the good battery and run
the engine for a while.
11. Try to start the vehicle that had the dead battery. If
it won't start after a few tries, it probably needs
service.
Notice: Damage to your vehicle may result from
9. Connect the other end electrical shorting if jumper cables are removed
of the negative (-)
incorrectly. To prevent electrical shorting, take care
cable at least 18 inches that the cables don't touch each other or any
(45 cm) away from other metal. The repairs wouldn't be covered by
the dead battery, but your warranty.
not near engine
parts that move.
The electrical connection is iust as good there, and
the chance of sparks getting back to the battery
is much less.
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