I could be wrong but I always thought the final adjustment should be made with the boat in the water free from forces the trailer puts on the hull? I...
My wife works at a marine upholstery shop. I showed her the pics you posted her exact words were ''That's Amazing'' I dont think many people know how...
Where did the solenoid come from? If it was a quality part and went bad in two weeks I would do a starter draw test . It also maybe just a defective...