Re: 115 mercury power tilt and trim problems!!!
This assumes you have a single solenoid on the trim pump motor... (because that's what the drawing looks like).
3 heavier wires from the motor... Black, Blue and Green... Black to ground.. Blue to one of the big terminals on the solenoid. Green to one of the 3 pin connector terminals.
3 wires on the 3 pin connector, Red, Blue and Green... Red to the other big terminal on the solenoid, Green to the motor (as above), Blue to one of the small terminals on the solenoid.
2 big wires from the battery. Red and black.. Black to ground, Red to the same big terminal as the other red on the solenoid....
Also you should have a black from the other small terminal on the solenoid to ground...
HTH
Chris.......