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Ampmeter vs Voltmeter again... 1800 1972

Granted, an idiot light tells you most of what you need. It tells you whether the battery is charging or discharging, just not how much (other than the difference between a faint glow and full brightness). Ammeters were common in the 1950s but were replaced by idiot lights and voltmeters to cut costs.
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1992 745, >500k km






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New 1 Wiring an aftermarket ammeter? [1800][1972]
posted by  Whale subscriber  on Sat Mar 26 10:59 CST 2016 >


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