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120 Amp Alternator Fuse

An alternator is a device that converts mechanical energy into electrical energy. It is commonly used in automobiles to power the vehicle’s electrical system when the engine is running. The 120 amp alternator fuse protects the alternator from damage caused by excessive current.

If the fuse blows, it will need to be replaced with a new one before the alternator can be used again.

How To Replace 120 AMP Alternator Fuse 2008-2016 Toyota Rav4 | Vavi Travels

If your car has a 120-amp alternator fuse, it’s important to know how to replace it. This type of fuse is often used in high-powered vehicles, and it’s important to know how to handle it correctly. Here are some tips on replacing a 120-amp alternator fuse:

1. Make sure that you have the right tools for the job. You’ll need a Phillips head screwdriver and a flathead screwdriver. 2. Locate the fuse box in your vehicle.

It should be near the battery. 3. Use the Phillips head screwdriver to remove the screws that hold the cover of the fuse box in place. 4. Take out the old 120-amp alternator fuse and discard it safely.

5. Insert the new 120-amp alternator fuse into the slot where the old one was located. Make sure that it’s inserted firmly so that it doesn’t come loose while you’re driving. 6 .

120 Amp Alternator Fuse


Q: What is the Purpose of a 120 Amp Alternator Fuse

The purpose of a 120 amp alternator fuse is to protect the alternator from being overloaded. This fuse is located in between the battery and the alternator, and it is designed to blow if the current draw from the alternator exceeds 120 amps. If this happens, it will prevent damage to the alternator by preventing too much current from flowing through it.

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Q: Where is the 120 Amp Alternator Fuse Located

On most cars, the 120-amp alternator fuse is located in the under-hood fuse/relay box. It may also be found in the main fuse panel, depending on the make and model of your vehicle. The fuse should be labeled with something like “ALT” or “BAT” to indicate that it controls power to the alternator.

If you can’t find the right fuse, consult your car’s owner’s manual for help.

Q: How Do I Know If My 120 Amp Alternator Fuse Has Blown

If you’re wondering whether or not your 120 amp alternator fuse has blown, there are a few things you can check. First, look at the fuse itself. If it’s blackened or damaged in any way, it’s likely that the fuse has blown.

Another way to tell if a fuse has blown is by checking the voltage output of the alternator. If the voltage output is low, it could be an indication that the fuse has blown. Finally, if your car’s electrical system isn’t working properly, it could also be a sign that the alternator fuse has blown.

If you suspect that your alternator fuse has blown, it’s important to have it checked out by a professional as soon as possible.


If your car’s electrical system is having trouble, it might be due to a blown 120 amp alternator fuse. This type of fuse is designed to protect the alternator from overloading, so if it’s blown, it’s likely that the alternator is overloaded. You’ll need to replace the fuse and have the alternator checked out by a mechanic to make sure it isn’t damaged.

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