Cross Posted May 31, 2015 Share Posted May 31, 2015 (edited) After installing a after market trim motor on my 1991 100 HP Mariner their were 2 wires from the old system that weren't needed for the new motor. Problem is my tach doesn't work now. The 2 wires are from the voltage regulator that connected up to the old trim motor relays. Does anyone know where these get connected? Edited May 31, 2015 by Cross Quote Link to comment Share on other sites More sharing options...
boatfixer Posted May 31, 2015 Share Posted May 31, 2015 What color are they? Red I presume? Quote Link to comment Share on other sites More sharing options...
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