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Old 07-08-2003, 12:20 PM   #1
jays68yak
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Join Date: Oct 2002
Location: Gilroy, CA
Posts: 1,453
Electric Fan, Now Truck Wont Charge

I installed one of those taraus fans in my suburban. The past two weeks Ive had to jump the truck when I go to start it. It sits as of now cuz I dont drive it much, so its not a problem yet. I noticed that with the fan off I get a reading of 14 volts at the battery (its charging). Once I turn the fan on it goes to 12 volts. What is the amp rating on a stock alternator? Would a 100 amp alt fix this problem? If not what would?

Thanks
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1969 Chevy Project SWB Fleet, 20s, 5.3, t56, in the weeds.
1970 Chevy Truck cab on a 1979 Jimmy frame-8.1 liter 496 bbc/sm465/np203-jeds doubler-np205/d60/14bff Welded/42 tsls on recentered H1s
1998 Chevy Crew Cab K3500 SAS'd with hpd60, links and swayaway coilovers. 8.1l vortec DD/towrig



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