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2003 Ford Focus Question: voltage alternator on 2003 Ford Focus what is the maximum output

 

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zoila, 2.0L 4 Cylinder SOHC, Cerritos, CA, February 03, 2010, 17:30
 Rookie

What is the voltage output on an alternator on a 2003 Ford Focus and if the output is 14 to 15, is the alternator bad

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  • Answer #1

    Bret Bodas from RepairPal Test Shop, February 03, 2010, 18:16
     Master

    14-15 volts from an alternator is good, however you need to also perform a maximum amperage output test from the alternator to really test it. You'll need a special tester to do this, so you'll want to take it to a repair shop and have it tested if you are having charging system issues.

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