Alternator fuse

What would cause an alternator fuse to blow? How do you know if alternator fuse is bad? What are the symptoms of a blown alternator fuse? Where is the fuse for the alternator is located?

Skip to main search. Replacing the alternator fuse is simple, but finding out which one it is can be the difficult job as the number of fuses contained in a typical car fuse box has increased substantially over recent years. Fuses protect the electrical systems of your vehicle from overloading by destroying themselves if the electrical current is too high. Toyota systems have a charging system fuse that provides a linkage between the alternator and the battery.

Check the ground cable between the engine and the body. Hello there, the alternator is fused by two fuses and a fusible link under the hood fuse panel, here is a wiring diagram and a guide to help you. Use a test light to check for power at the back of the alternator and each fuse.

Alternator Fuse Location: Where Do I Find the. Search Our Auto Repair Directory. There are fuses for the alternator. One is usually a fusable link (wire) for connecting the stator diodes to the battery, and a lower value fuse (to amp) for protecting the field (rotor).

I am guessing the field fuse blew, possibly the field coil got too hot and shorted out to groun or the field regulator shorted. Anything that is between the battery and that fuse is unprotected. If that touches groun your battery positive is touching ground. If the wire between the fuse and the alternator touches groun your alternator output is touching ground.

Please be careful with that battery- if it indeed has shorted cell you can damage the alternator as it will try hard to bring battery up to the standard voltage and remaining cells. Sure enough the fuse was blown. Follow that wire over to the starboard side of the motor and the fuse is encased in the clear heat shrink tubing on the cable.

These fuses blow out after a while or when there is a power surge. In these cases, your alternator would fail and your battery would not charge. A located in position underhood.

The ALT-S fuse is a 7. If you have to pull the alternator , talk to (or PM) 1killerkaw first. First using too small of a fuse or circuit breaker can cause many problems. In a 130amp 3G the fuse should be a minimum 160amps, preferable 1or 200amps.

As when the stock alternator is loaded way down, it can produce 160amps at about 12. This varies from alternator to alternator and is much higher for high output alternators. After grounding out my alternator lead battery wire, I had to replace the 1amp fuse that connects to the alternator. Which fuses did you replace I bought 2. And yes I have a new alternator also, dang things are a pretty penny.

I would replace the alternator first and the battery at the same time. IS a fuse between the alternator and the battery! If battery voltage is not present, check dash fuse No.

Reconnect alternator harness connector.