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Old 09-10-2012, 06:32 AM   #2
mikeeshaq
Focus Addict
 
Join Date: Jan 2010
Fan#: 72526
Location: Sugar Land,TX ex MN, TX
What I Drive: 2010 Transit Connect

Posts: 1,034
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Too many things could be at fault

go to YouTube and type in battery alternator voltmeter , alternatively instead of voltmeter use multimeter

There will be many videos that will show how to test the car's electrical system

for a multimeter visit a Harbor Freight and get the cheap voltmeter that they have. Price range from free to $10.00

There are those that will tell how to turn the cluster into a voltmeter except that is all good until you need to use the AC scale to check for bad alternator diodes

divide and conquer
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