GMC Sierra Owners Manual

Fuses and Circuit Breakers
Vehicle Care / Electrical System / Fuses and Circuit Breakers

If the vehicle is a hybrid, see the hybrid supplement for more information.

The wiring circuits in the 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 Ц like the radio or cigarette lighter Ц and use its fuse, if it is the correct amperage.

Replace it as soon as you can.


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