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Old 01-31-2017, 08:25 AM
sschevellenl sschevellenl is offline
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Join Date: Aug 2016
Posts: 2
Default Rev engine to get alternator to start charging ?

Hey guys , just put a set of autometer mechancial gauges in my 70 ss. As of now i have to rev the engine to get it to start to charge. as you as your start it, you have to stab the gas a few times, then it will charge all day long, if you dont do this, it will chug along the highway and not charge. Any ideas of what the problem is ? Help much appreciated.
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Old 01-31-2017, 03:18 PM
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chevymaher chevymaher is offline
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Join Date: Mar 2014
Location: Kentucky
Posts: 1,207

Sounds like the voltage regulator isn't exciting the alt field until the revs go up. I would say voltage reg is getting weak.
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Old 01-31-2017, 09:42 PM
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shadowgray396 shadowgray396 is offline
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Join Date: Dec 2009
Location: Tigard, Oregon
Posts: 6,026

I would agree
1970 SS Chevelle Van Nuys Built
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Old 04-10-2017, 07:51 AM
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pitts64 pitts64 is offline
Join Date: Mar 2017
Location: Pittsburgh, Pa.
Posts: 32

I had the same issues. I changed the regulator, nothing, then took that rebuilt alt to the alternator/starter repair shop and all issues went away... The alternator even looked much better..
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