Ammeter Overcharging

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03-27-2020, 07:43 PM

fastd

CC Member

Join Date: Sep 2008

Location: Austin, TX

Cobra Make, Engine: ERA FIA, 351W

Posts: 765

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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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