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Old 12-13-2018, 01:00 PM   #4
flatheadmurre
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Join Date: Apr 2015
Location: Sweden
Posts: 2,763
Default Re: 52 Mercury gauges

My way of testing the wires to the gauge and gauge is a simple 50ohm resistor on clip leads...one cliplead to ground and other to the wire going from sender to gauge.
That should put the needle on the gauge in the middle somewhere...indicating wiring and gauge works.
Also some of the regulators sold for converting 12v to 6v for the gauges are so poor they cant put out enough current and things like fuelgauge just ends up showing half when tank is full.
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