Stop in for a cup of coffee

greymouser7 said

thanks brother, i understand this, exactly as posted, was wondering if i can change it to volt meter without changing the looks, where the charge deflection on the right side could represent voltage NOW instead of amps and discharge represent something like less than 12.5 volts

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I'm sure there is someone who can do that. Redfish might have a better idea about who would have that level of skill.
The gage would be a lie of course, so would be confusing to anyone who didn't know. Of course most people don't know what the ammeter does, especially since most mopar ones are labeled alternator. :BangHead:
ToolmanMike's voltmeter in the lighter plug is probably the handiest way to have an idea of system voltage at the driver's seat.