2003 ford Taurus

Asked by Apr 28, 2016 at 12:59 PM about the 2003 Ford Taurus

Question type: Maintenance & Repair

How can you tell if it's the battery or
altinator that's bad??? My car won't start

6 Answers

40,615

Have them tested at a local parts store. A quick and easy alternator test is.....start the engine and measure the voltage at the battery terminals with a volt meter. Voltage should be 13.8 to 14.6 engine running, if it is lower than 13 volts I would suspect the alternator or the wiring to the alternator as the probable culprit.

11,385

If you have a multimeter -volt ohm its simple to check an alternator if you don't have one, Check and make sure the battery is less than 60 months old, if its older replace it! then check the alternator or have it checked alternator output 13.2-14-8 OK at the battery terminals car idling.

1 out of 1 people think this is helpful.

The car won't start.... It makes a clicking sound when I try and start it.... I had the power booster and a belt changed two dsys ago... Do you think that has anything to do with why it's not starting?

11,385

Unless it was perfect before the belt or booster unit was replaced maybe a ground cable or connection was disturbed, bumped, or touched...about to fail anyways! very doubtful its related.

40,615

Charging the battery should make it start.

If ur lights dont work or stereo then ur battery is dead charge it an see if it holds a charge if it dont hold go get a new one.

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