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What is the difference in a 4 wire and 5 wire voltage regulator. I know the tach hooks up to the 5th (white) wire, but why can't the tach hook up to one of the ststor wires instead? Does the white wire go through a resistor or something?
Thanks
I have a 1992 90 hp Force engine with Mercury electronics. It has the Mercury voltage regulator. My tach is not working and I am checking wiring. The voltage regulator has 5 wires and the one that goes to the gray tach wire is a white wire coming out of the regulator. With the ignition OFF I get...
