why is my car not fully charging? - Ford Mustang Forums : Corral.net Mustang Forum
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post #1 of 3 Old 08-20-2002, 02:39 PM Thread Starter
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why is my car not fully charging?

i took my underdrive pulley's off today because my car has not been fully charging. it fluctuates often, causing an assortment of problems. i thought putting the stock pulleys back on it would fix it, but not the case. my alternator is not a month old yet. so i feel like it is ok. what else could cause it not to fully charge? thanks,

94 GT TFS Track Heat Intake, Twisted Wedge Heads, FTI Cam, 65mm TB, C&L 73mm MAF, 24# Injectors, Kirban AFPR, 255lph, BBK Longtubes, Off Road H-Pipe, BBK Underdrive Pulleys, Mac CAI, Pro 5.0 Shifter w/ tri-ax handle, Eibach springs, 3:73's, SPEC Clutch, JMS Chip. KB Subframe Connectors.
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post #2 of 3 Old 08-20-2002, 03:07 PM
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Go have the altenator and the battery checked out, just to make sure that they are ok. New doesn't always mean ok, unfortunately

1995 GT coupe/ (converting from 306ci to 347ci) 70tb,75 MAF........ you know the rest of the story.
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post #3 of 3 Old 08-20-2002, 05:45 PM
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Get the car up to operating temp. Get a volt meter and put it on Volts DC, then see what the battery terminal voltage is while idling. It should be about 14-15vdc. If it's less then it could be a bad voltage regulator. I'm going through this right now.
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