I have a 1979 merc 260, The trouble is the the tilt/trim its a one solnoid, 2 switch set up. It goes up no problem but will not go down, The pump runs in when you hit the down switch but no response from the drive. I recently found that the wires to the trim limit and sender switches were both...
I have a 1979 merc 260 with a two switch, single solenoid pump and iam new to boating but not to mechanics. The pump will bring the prop up and into trailering mode no problem, but will not put it down. I did get it to go down once by jumping the two large battery posts on the solenoid, but...
