loose belt.
That would happen if the alternator is over or under charging.
Something is wrong with the charging system. Defective alternator would be my guess.
Well it could be the external regulator on the right side of the engine compartment or a bad alternator . First I would have the battery checked to verify the battery is good but only after fully charging it , then try replacing the regulator first because its cheapest and if the alternator is in fact bad it should be replaced with the alternator anyway. If the regulator doesn't help then It's probably safe to assume it would be the alternator. I've had a loose plug on the alternator also that would keep it from charging, you might wanna check that and all your connections first.Hope this helps.
The alternator light circuit is different from the charging part. The charging part goes to the battery, while the light part goes to the instrument panel. There seems to be a grounded wire in the light circuit.
I would have the alternator tested. If the alternator is over charging the battery then it is just cooking it.
yes if one of the wires was getting an earth from the alternator cover or rubbing off the engine the battery light is really an alternator light warning you that the alternator is not charging the battery
No. The short summary is that there usually is a fuse or circuit breaker in the line coming out of the alternator that protects the alternator from a sudden surge in power from some outside source and which also protects the engine's electrical parts from a sudden surge that might somehow come from the alternator (very doubtful this would happen). But that fuse doesn't keep the alternator charging in the strict sense of the phrase. What stops an alternator from charging is internal parts failure such as the burn out of a rectifier, bearing failure or the belt which drives the alternator failing or coming loose and slipping excessively. Short of failures such as these an alternator will keep on charging as long as the belt is turning its pulley and causing the rotor inside the alternator to turn.
That would tend to indicate that the alternator was not charging the battery for that interval.
New batteries require charging before they are used. Try charging the battery with a home charger (dont let the alternator charge it as it will decrease the life of the alternator) and give it a try.
You could have a bad battery, or you might find that your alternator is not charging. You can almost always get a local shop to put the meter on both battery and alternator to check the charging system.
Malfunction in the charging system. Most obvious cause is a defective alternator.
New Alternator BUT Warning Light Still Stays OnMaybe there was nothing wrong with the alternator you replaced, and the problem is somewhere else in the charging system!Although possible, it is highly unlikely that a new alternator would be defective.