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Thread: Voltgage problem
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02-17-2007 #14
Pro-Touring Veteran
- Join Date
- Aug 2004
- Location
- NY
- Posts
- 1,070
Problem is what the alternator Co considers at idle. If your engine idles lower than 750RPM or so you can have a problem I also had a problem with March and their alternator pulley set up. I changed pulley to speed up alternator at idle and it clearedup everything and even helped the idle itself. If it is FI motor they rely on having the correct amps at idle.
I agree with the above of running the correct size wire but a simple meter hooked up with the car in drive at idle will give you the info you need. Rev it slowly and see if the gauge jumps and then see where it should level off near idle. Mine dropped a considerable amount below 800RPM.
You should also do your tests with every accys on and your stereo at a loud level as they draw more at different levels.
Good luck
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