I bought two relays, switch the relays and it works again,it will go up and down once sometimes twice and then stop again! if I switch the relays it works again! or if I let it sit for a while.
Maybe a pour ground? My trim did the same thing and then it quite working all together. Turned out the pump motor was going out. I replaced it now works fine. Try unplugging both relays and put a jumper wire to the plugs going to the relays. The trim wires should be a bigger green wire in one plug and a bigger blue wire in the other. Hook to the batery and see if the motor works. One way makes it go up and swith the wires for going down. If it works it may be in the wiring.