What is the purpose of an alternator fuse?
What is the purpose of an alternator fuse?
The fuse is there to keep amperage below a certain amount. If the wire between the alt and the fuse going to the battery hits ground then the amperage would spike and blow the fuse before it got to the battery. It is there to protect the battery. 1, 2, and 3.
How much does it cost to replace an alternator fuse?
Even if you have to replace a fuse when you have an alternator fuse blown, though, it still should be a relatively inexpensive job. Most auto repair shops will replace the alternator fuse in your car for under $100, depending on what type of car you have.
What should the fuse be on a 130amp 3G alternator?
In a 130amp 3G the fuse should be a minimum 160amps, preferable 180 or 200amps. As when the stock alternator is loaded way down, it can produce 160amps at about 12.8 volts. This varies from alternator to alternator and is much higher for high output alternators.
When do you Know Your alternator has blown a fuse?
One of the simplest ways to know that your alternator might have blown a fuse is when you see that you have issues starting your vehicle. If you notice any of the aforementioned symptoms, then you likely have an alternator that’s blown a fuse. Now it’s time to fix it. Let’s find out how you can do that.
Is there a fuse on an alternator?
Alternators do not have a fuse, but it may have a fusible link. Follow the heavy wire from the back of the alternator toward the battery +.
Where is the fuse for the alternator is located?
Sometimes, they are located on the inside of the fuse box cover. Replace the alternator fuse by pushing the new one into place using your fingers. Replace the fuse box cover by clipping it into place or using a Phillips screwdriver to tighten the screw. If you can’t find a replacement fuse in the fuse box, get one from your local garage.
Why does an alternator fuse blow?
If the ignition switch is the problem, the fuse will usually blow as soon as the ignition switch is turned on. Some other things that can cause the fuse to blow are: The fuel cut off solenoid The alternator coil A pinched wire grounding out The best way to find the problem is to trace the circuits with an ohm meter.
