Yeah. Seems like a bad motor since directly connecting 12vdc to the motor and it's not turning on.
So, Here's what I've done, tested the voltage from the Tilt/Trim switch at the relay. No voltage when pressing the tilt/trim switch. I ohmed out the wiring from the switch to the relay (Blue and Green Wire). The wiring from the switch to the Up/Down relay is good.
There are 3 wires at the Tilt/Trim switch. A red wire that supplies should provide 12vdc to the switch, a Blue wire and Green wire. When you press up/down, the switch completes the circuit and sends 12V to the Blue or Green wire, depending on whether you press up or down. I am not getting 12vdc on the red wire to the switch.
So, when I press the tilt/Trim switch, no voltage is going to the relay. So, the relays are not engaging.
This is why in my 1st post, I was trying to get a wiring diagram to figure out where the 12vdc into the tilt/trim switch in the throttle is fed from