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2002 Toyota Solara Repair Question


Topics covered: Alternator, Battery, Engine.
Mileage: 110,000 miles.

Asked on July 6, 2012

Other than the alternator what could cause my voltage to be low?

I have a 2002 toyota solara. The alternator was only putting out 10v. I replaced it with a good used alternator. It is now putting out between 10-12v while idling and 12.2v while revving engine. Other than a faulty alternator, what should I check next? I replaced the battery about 2 months ago.
Avatar Asked by daltis

Answer

Replied on July 6, 2012

First check for 12 volts at the generator's output terminal. It should have full battery voltage all the time. If you find 0 volts with the engine off and high voltage with the engine running, look for a blown fuse bolted into the under-hood fuse box.

Next, there must be at least one small wire that has full battery voltage on it. If that is missing, look for a smaller blown fuse.

Tiny Answered by caradiodoc (expert)
17,665 answers provided