Forum Discussion
MEXICOWANDERER
Feb 10, 2018Explorer
Mr Wizard provided a link to a company that sells digital ammeters that utilize a ring donut pick up coil instead of a bulky exposed shunt. Pass the cable to be measured (permanently) through the donut, switch on power to the little red wire (12 volts, the mating black wire goes to chassis negative) and presto, an ammeter for you!
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