Fuses And Circuit Breakers; Instrument Panel Fuse Block - GMC Sierra Classic 2007 Owner's Manual

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.
Look at the silver-colored band inside the fuse. If
the band is broken or melted, replace the fuse.
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 don't
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.
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Instrument Panel Fuse Block

To remove fuses, hold the end of the fuse
between your thumb and index finger and pull
straight out.
You may have spare fuses located behind the
fuse block access door. These can be used
to replace a bad fuse. However, make sure it is of
the correct amperage.
The fuse block access
door is on the driver's
side edge of the
instrument panel. Pull
off the cover to
access the fuse block.