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2004 Chevy Venture Over Charging
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Ritt
New User
Mar 8, 2012, 9:25 AM
Post #1 of 2
(2251 views)
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2004 Chevy Venture Over Charging
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Have a 2004 Chevy Venture van 3.4L V6 with 133000 miles. The battery light comes on after running for 45 min or so on idle and about 20 min if driving. The light is never on in the morning when you start the van. I have checked all the cables cleaned and replaced the battery. I had the alternator tested at AutoZone and it is good. I used a digital meter when the lights started flickering and the car started to act funny. The alternator seems to push up to 18 or 19 volts when this happens. Also when you idle up the car it jumps up again. I don’t believe that it should jump that much when you idle it up to 2000 rpm. The jump only seems to come and go but the battery light after it comes on stays on until cool down. Alternator works fine most of the time pushing 14.3 volts on the meter even when the light is on. Any help would be great. Thanks
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Hammer Time
Ultimate Carjunky
/ Moderator
Mar 8, 2012, 10:34 AM
Post #2 of 2
(2220 views)
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Re: 2004 Chevy Venture Over Charging
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Replace the alternator
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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