2000 Toyota Tundra Battery Light On But Alternator Is Charging

06 toyota tacoma with 126k battery light came on hooked up DVOM charging 138volts with the light still on.

2000 toyota tundra battery light on but alternator is charging. Duralast Remanufactured Alternator 12802. Check if this fits your 2000 Toyota Tundra. At this point my best guess is a battery cable but Im really at a loss.

The alternators job in your Tundra is to provide electricity as it is running. Mine went out at 150k I bought a used Toyota alt from a sequoia with 12k miles and have had no issues since. This would make the Battery Light come on.

I would suggest that you have a certified technician like one from YourMechanic test the. Alternator should not be working. A weak battery or working charging circuit wont turn on the battery light.

2 Make sure the regulator is being excited. Charging voltage not verified. If the battery is weak or dead the car will continue to run but the lights will again become dim after a short time signifying a problem with the charging system.

The battery is fine it has no trouble starting or holding a charge. Next few are always leads to relay box alternator sense etc. It should be greater than 13 volts less than 15V.

I accept Dogecoin my address DAzkFdR6ZWVwturoVgLPbMUrkhEoqXdCVf TRY AMAZON PRIME 30 DAY FREE TRIAL httpsamznto3ojzphr http. A free State. I am trying to find out why may battery light is on with out spending 10000 for diagnostic.