Why does my alternator not charge the battery?
If I leave the generator relay unplugged, the battery light does not work at all. If I bridge the wires it will only come on with the car off and key forward. I did notice however that the battery light is slightly more dim than the rest of them. A picture of the back of the plug and what wires go where would be much appreciated.
Where does the charging warning light go on an alternator?
Black and yellow goes from the alternator plug to that generator relay. Blue wire goes from generator relay to that interior harness (C25) which goes to the instrument panel wiring (My 3rd pic the plug on the left) which looks to be for the instrument cluster for the “charging warning light”. Click to expand… Gotcha.
Where does the generator relay plug go on an alternator?
The alternator harness goes to the fusebox and that diode or the “generator relay” that Mitsu calls it hangs around the fusebox. Then, you have those 4-white wires that go into the fusebox between the 100A fuse and the fusible link. Click to expand… I just need the one for the “generator relay” plug.
Where does the alternator go in a Mitsu?
The alternator harness goes to the fusebox and that diode or the “generator relay” that Mitsu calls it hangs around the fusebox. Then, you have those 4-white wires that go into the fusebox between the 100A fuse and the fusible link. I am doing a wire tuck right now.
What does it mean when your alternator is not charging?
If the alternator is not charging the battery, you will have a red “ALT” or “charge” sign on your dashboard. This means that your battery is no longer being supplemented for power by the alternator. You will need to recheck the wiring because the light could also be faulty.
Can a negative battery test a bad alternator?
Some may recommend running the engine with the negative battery cable disconnected to test the alternator. However, this is not a good idea because it could damage the electrical system of your vehicle and cause greater problems. Fixing your battery or alternator can be an expensive repair.
The alternator harness goes to the fusebox and that diode or the “generator relay” that Mitsu calls it hangs around the fusebox. Then, you have those 4-white wires that go into the fusebox between the 100A fuse and the fusible link. Click to expand… I just need the one for the “generator relay” plug.
How can I tell if I have an alternator problem?
To differentiate an alternator problem from the battery, you will need to use a voltmeter to check for voltage. First, turn off the engine and check the battery voltage. A fully charged battery should have a reading of 12.65 volts. Next, turn on the engine and recheck the voltage. You should have a reading of 13.5 to 14.5 volts.
This means that you could have a weak alternator, or a poor connection at the battery terminals. You could also have a loose drive belt, which is what supplies power to the alternator itself. If the drive belt is loose or not working properly, the alternator will not charge.