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		Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars > Ford Trucks \| Utes \| Vans \|SUVs \| Crossovers > Ford F-150 \| Ford F-250 \| Ford F-350 \| Ford Super Duty \| Ford Diesel
Overcharge

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Ford F-150 | Ford F-250 | Ford F-350 | Ford Super Duty | Ford Diesel Forum for discussion of the Ford F150, F250, F350, Superduty and Diesel trucks.

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09-11-2009, 13:53	#1 (permalink)
1978bogger Doozer Join Date: Sep 2009 Location: Nedrow, NY Age: 29 Posts: 1	Overcharge I have a 78 f150 with a 400 in it. i put a new alt in it and a new voltage regulator in it. when it idols its pushin about 13 volts, but when i hit the gas it jumps right up to 17/18. any suggestions? thanks

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09-11-2009, 16:33	#2 (permalink)
thefonz Always the student Join Date: Jul 2006 Posts: 1,663	Re: Overcharge Try running a seperate ground from the alt to the frame. Cost is next to nothing and may solve your problem.

10-18-2009, 03:25	#3 (permalink)
ymeski56 Registered User Join Date: Sep 2008 Posts: 63	Re: Overcharge Might want to have the battery "Load tested".

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