2000 Toyota Tundra Battery Light On But Alternator Is Charging

3 Jan 2 2013.

2000 toyota tundra battery light on but alternator is charging. The idea is that when you turn on the key voltage flows through the light to the S terminal on the alternator. As this warning may be triggered by a number of things it is important to take steps to ensure that you know what the actual issue is before replacing any parts. 06 toyota tacoma with 126k battery light came on hooked up DVOM charging 138volts with the light still on.

A weak battery or working charging circuit wont turn on the battery light. It is possible that the problems that you have been experiencing with the bad alternators have damaged the battery causing it to be weak. It is turned by a serpentine belt.

Oct 27 2017. The battery stores enough voltage to be able to start the engine without the assistance of an alternator. If it is running and the alternator is charging then a diode inside the alternator is the likely culprit.

The battery light goes off when the alternator. This is the same connector that lets the on-board computer know if the alternator is charging or not which is what the battery light actually means. It should be greater than 13 volts less than 15V.

The throttle may be dirty enough to drop the idle 50-75-100 rpms below specifications for the alternator field. Ya 75k is a little low for the alt to go out. Its worth noting that a bad serpentine belt can cause the alternator to stop charging.

2 Make sure the regulator is being excited. I accept Dogecoin my address DAzkFdR6ZWVwturoVgLPbMUrkhEoqXdCVf TRY AMAZON PRIME 30 DAY FREE TRIAL httpsamznto3ojzphr http. New battery rebuilt alternator.