How To Change The Alternator Fuse? – Steps And Tips!

Change alternator fuse It is a simple action, however figuring out what it is can be the most complicated task, since the number of fuses located in a typical vehicle fuse box has been increasing dramatically in cars.

Fuse boxes used to have approximately 12 fuses, however now there can be 30 fuses or even more, making effective identification of a specific fuse a more difficult task. However, vehicle manufacturers provide their users with a diagram in their manuals in order to facilitate the identification of specific fuses.

Steps to change the alternator fuse:

Just a few instructions are all it takes to get your alternator fuse replaced in less than half an hour.

  1. Check your car manual to find out where the alternator fuse is located in the fuse box. Look at the back of the manual and try to find the alphabetical list of the items, you have to look at “F” and find “Fuses”, it tells you the page number of the manual that you should refer to.
  1. Go to the page number specified in the fuse manual. If you managed to find a diagram of the fuse box, you will notice that each fuse is listed, you should see or feel the position of the fuse listed as “Alternator Fuse“.
  1. open the fuse box. You can usually unfasten the cover with the help of your own fingers, sometimes it has a small Phillips (or cross) screw, so use a Phillips screwdriver to remove the screw and open the cover.
  1. Locate the alternator fuse. referring to the diagram in your vehicle’s manual and remove or pull out the fuse with your fingers or with the help of a tiny screwdriver.
  1. Read the capacity of the fuse. You should make sure to replace the blown alternator fuse with one of the same capacity, you may be able to find one or other replacement fuses in your fuse box, sometimes they are located on the inside of the fuse box cover.
  1. Replace the alternator fuse and put in the new one. in place with the help of your fingers, and put the fuse box cover back on by holding it in place or using a phillips screwdriver to tighten the screw.


If you can’t find a spare fuse in the fuse box, then try to find one in your garage or among your spare electrical tools and parts.

The fuse layout may be shown on the inside of the fuse box cover.

If, after replacing the alternator fuse, it blows again, it is necessary to take the vehicle to a workshop, as there is an electrical fault.

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