I know these things have been beaten to death, but here goes anyway.
1998 FW 240 Horizon 5.7 gsi Duoprop.
Same problem alot are having, with the trim goes down all the time, but only periodically, does it go back up. (no trailer switch on this model) The senario is this. Sometimes it works, sometimes it doesnt. When Im out in the lake, and it doesnt go back up. I can accelerate, bringing the bow up before plane, and the up trim will work again. Ive learned to just do this routine before docking, so I dont get stuck at the ramp in the down position again. Once its up over half way, it then moves all the time. (note that would also be around the same angle as when the bow is lifted). That is the senario Im dealing with.
Now, here is what I have checked. Both relay's have been changed to new. All, and I do mean all the connections have been checked and rechecked, from the switch on the throttle, all the way to the pump, and out to the trim sender on the drive. Ive removed the trim sender on the starboard side of the drive, and even unpluged its connections, and the trim still functions as it should, so this is not the problem. ( apparently the trim sender, just provides the position to the analog gauge). Ive read and re-read the manual, and everything points to the trim limit control box. My boat should have one. Where on earth SHOULD it be located?? Ive looked high and low for this thing. The only place I havent looked, is literally, underneath the engine and in the floor sub panels by the fuel cell LOL! Ive traced all the wires back to the harness tube that runs thru the hull to the dash, it is nowhere to be found.
Am I missing this trim limit control box somewhere, or is it possilbe, the previous owner has already bypassed this thing, and removed it from the boat? If anyone can point me in the right direction to find it, I would be most grateful! If for some reason, its already been removed, then why on gods green earth, am I still having symtoms of it still being connected? When this happens, there is no click from the pump, no noise what so ever. Yet it still moves down with no hicups. I raise the bow, and whaalaaa, its working again.
Any insight to this from fellow members would lower my stress levels considerable.
Thanks,
Gary
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