Electrical System; Fuses And Circuit Breakers - GMC Defense 2006 Owner's Manual Supplement

Note: It may take up to 30 minutes to charge the
battery enough to start the vehicle, depending
on the battery's state of charge.
9. Start the vehicle with the dead battery.
Note: Use twisting motion when disconnecting the
slave cable from the receptacle. Forcefully pulling the
cable from the receptacle may cause damage to the
receptacle mount.
10. Remove the slave cable in the reverse order that
it was installed. Take care not to let the cable
ends touch each other or any other metal.
11. Install the covers on both vehicles and fully
tighten to ensure a proper seal.
12. Clean and stow the slave cable.

Electrical System

Fuses and Circuit Breakers

The wiring circuits in your vehicle are protected from
short circuits by a combination of fuses, circuit
breakers and fusible thermal links. This greatly
reduces the chance of fires caused by electrical
problems.
Be sure you replace a bad fuse with a new one of
the identical size and rating.
If you ever have a problem on the road and do not
have a spare fuse, you can borrow one that has the
same amperage. Just pick some feature of your
vehicle that you can get along without — like the
radio or cigarette lighter — and use its fuse, if it is
the correct amperage. Replace it as soon as you
can.
The 24-volt fuses are located in the engine
compartment taped to the 24-volt generator wiring
harness. These fuses are for the 24-voltmeter gage
fuse (5 amp), 24-volt trailer fuse (25 amp) and 24-
volt accessory power circuit (25 amp). Your vehicle
also has a special relay center for the blackout
lighting. The relay center is located on the
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