how do i know if i have a bad alternator isbad on my 2000 avalon ?

Asked by Jan 18, 2017 at 01:24 AM about the 2000 Toyota Avalon XL

Question type: Shopping & Pricing

3 Answers


One way you could test is with a digital multi-meter set on DC volts, and see what the voltage is on the battery when the car is running. It should show 14.5 volts. Otherwise you can go to a shop and they can do a quick test on the charging system.

1 of 1 people found this helpful.

what is it doing or not doing??? yes as above...but might only show 12.8 untill you bring up the rpms to around 3000


Charging system should put out 14.5 volts even at an idle.

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