Thread: Ammeter Overcharging
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Old 03-27-2020, 08:43 PM
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Join Date: Sep 2008
Location: Austin, TX
Cobra Make, Engine: ERA FIA, 351W
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Default Ammeter Overcharging
My ammeter shows +25 or higher when I start it up...I don't drive it very often so it kind of spikes when I first start it; after a while it's still +15-+25 though - worried that that is too high.

I added Holley Sniper fuel injection; when I did that the 40 amp alternator wasn't keeping up, i.e. was running at 11-12.5 volts, so I added a 100 amp; seems OK now as voltmeter shows a range of 13.4 to 14.2 volts ...

But wondering how I troubleshoot a high reading for the ammeter? Any suggestions? Is that range OK?

Thanks all.
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