2000 Toyota Tundra Battery Light On But Alternator Is Charging

Fuel pressure not checked.

2000 toyota tundra battery light on but alternator is charging. If it was I dont know how to remove the dummy light. IIRC there are 2 fuses for the alternator will check my diagram later. The battery light goes off when the alternator.

If you see your Tundras battery light turns on while the engine is already running that is a strong indication that the alternator is no longer providing enough wattage to power the various electrical systems and charge the battery at the same time. This would make the Battery Light come on. I am trying to find out why may battery light is on with out spending 10000 for diagnostic.

The alternators job in your Tundra is to provide electricity as it is running. At this point my best guess is a battery cable but Im really at a loss. The idea is that when you turn on the key voltage flows through the light to the S terminal on the alternator.

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. I accept Dogecoin my address DAzkFdR6ZWVwturoVgLPbMUrkhEoqXdCVf TRY AMAZON PRIME 30 DAY FREE TRIAL httpsamznto3ojzphr http. 06 toyota tacoma with 126k battery light came on hooked up DVOM charging 138volts with the light still on.

New battery rebuilt alternator. Whenever the brushes on the inside of the alternator are starting to go or the voltage regulator is starting to fail the charge light will start flickeringflashing in a somewhat regular pattern. Toyota Tundra Bad Alternator Diagnosis.

If its the same with the truck off and running then the alternator isnt putting out anything would be my logic. This light illuminates whenever the charging system does not charge the battery with a voltage above approximately 135 volts. 1 Make sure the alternator is charging operating properly by measuring the voltage between earth battery negative and the live terminal.