How to wire up an amp guage??

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Re: How to wire up an amp guage??

Postby 74_Vega_GT » Tue Jul 21, 2020 9:02 am

zeke wrote:
74_Vega_GT wrote:I read this thread and it raised a question, Is the voltmeter a direct drop in replacement for the amp gauge?


No

~ Glad I went back and re-read this thread before I button up the dash cluster carrier. I was assuming the volt meter was a drop in replacement, I must revisit my work...again.
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Re: How to wire up an amp guage??

Postby 74_Vega_GT » Sat Nov 21, 2020 7:49 pm

~ That explains why my volt gauge is not responding. So I have treated it like a drop in replacement. The volt gauge for the amp gauge. I can get 12v for the gauge elseware I suppose and cap off the two wires formerly running to the amp gauge?
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Re: How to wire up an amp guage??

Postby spencerforhire » Sat Nov 21, 2020 8:10 pm

If the car runs and the alternator charges properly with the 2-pin plug from the former ammeter unplugged, then just tape it over so it can't short out. One or both wires would be unfused, unswitched 12v+.
Your new voltmeter requires an ignition switched 12v and ground to operate.
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Re: How to wire up an amp guage??

Postby 74_Vega_GT » Sun Nov 29, 2020 10:15 pm

Thanks Spencer
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