Hummer H2 2010, Owner'S Manual

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WARNING:
Fans or other moving engine parts can injure you
badly. Keep your hands away from moving parts
once the engine is running.
6. Connect the red positive (+) cable to the
positive (+) terminal of the dead battery. Use a
remote positive (+) terminal if the vehicle has one.
7. Do not let the other end touch metal. Connect it to
the positive (+) terminal of the good battery. Use a
remote positive (+) terminal if the vehicle has one.
8. Now connect the black negative ( − ) cable to the
negative ( − ) terminal of the good battery. Use a
remote negative ( − ) terminal if the vehicle has one.
Do not let the other end touch anything until the
next step. The other end of the negative (
− ) cable
does not go to the dead battery. It goes to a heavy,
unpainted metal engine part or to a remote
negative (
− ) terminal on the vehicle with the dead
battery.
9. Connect the other end of the negative ( − ) cable at
least 12 inches (30 cm) away from the dead
battery, but not near engine parts that move. The
electrical connection is just as good there, and the
chance of sparks getting back to the battery is
much less.
Use a remote negative ( − ) terminal if the vehicle
has one. Your vehicle's remote negative ( − )
terminal is marked GND.
10. Now start the vehicle with the good battery and run
the engine for awhile.
11. Try to start the vehicle that had the dead battery.
If it will not start after a few tries, it probably needs
service.
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