Hello I have a 1980 evinrude 70 h.p. I just put tilt and trim on (wich it never had before) and it only has 2 wires out of the trim motor (blue & green). I've never had a 2 wire set up before but noticed that i have to reverse the wires on from positive to neg. to move the motor up and down. Do I need relays or selinoid to make this work with the trim switch? By the way my trim switch now has 3 wires up/down and a power wire ,is this the right trim switch? Any help would be great!
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