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Old 02-24-2024, 12:24 PM   #20
nkaminar
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Join Date: Jan 2012
Location: Western North Carolina
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Default Re: Westach Ammeters.

Ruth,

The current draw for a voltmeter is very low. It would probably be OK to have it on all the time if the car was driven on a regular basis. Or had a battery maintainer when parked for a while. Or had a master battery switch that was turned off while parked for a while (and a battery maintainer).

In my car the voltmeter is wired to the ignition switch. I have the modern switch with the wiring changed so that the coil does not have voltage when off.
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