GMC 2010 Sierra - Manual (Page 512)

5.3L engine (4.3L, 4.8L,
6.0L and 6.2L similar)
7. Connect the red
positive (+) cable to the
positive (+) terminal of
the vehicle with the
dead battery.
8. 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.
9. 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.
10. Connect the other end of the negative (−) cable to
a heavy, unpainted metal engine part or to the
remote negative (−) terminal, on the vehicle with
the dead battery.
11. Start the vehicle with the good battery and run the
engine for a while.
12. 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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