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How to Replace the Fuses in a GMC Sierra

The GMC Sierra comes in various styles, including the 1500, 2500 and 3500. In any of these, you would use the same steps if you need to replace a blown electrical fuse. In a few minutes and with little to no cost, you can replace the bad fuse with a good one on your own.



Difficulty: Moderately EasyInstructionsThings You'll Need:
  • New fuse of same rating
  1. Step 1

    Turn off your GMS Sierra before removing a fuse. Look under the hood for the first fuse box, located on the driver's side.

  2. Step 2

    Find the other fuse box inside the Sierra on the driver's side. It's located on the edge of the instrument panel. This is a good place to check first for more common fuses if you do not have an owner's manual available to tell you the location of the fuses.

  3. Step 3

    Pull off the cover to access the fuses. Read the inside of that cover to find the location of the fuses housed there. In a 2002 GMC Sierra, you'll find the power seat fuse in the slot labeled Seat.

  4. Step 4

    Remove the fuse and check the wire inside. A melted or broken wire means the fuse has blown.

  5. Step 5

    Find a fuse of the same rating to replace the blown one. The example in Step 3 on the power seat uses a 10-amp mini fuse.

  6. Step 6

    Click the new fuse into place and shut the fuse box cover. Test out the new fuse once your restart your Sierra.

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