IV'E GOT A LOWE PONTOON WITH A 40HP JOHNSON THAT NEVER HAD TRIM.I BOUGHT POWER TRIM OFF EBAY AND NEED HELP WIRING IT.IV'E NOTICED UNDER THE DECK ARE TWO SETS OF WIRES ROLLED UP TWO PURPLE AND TWO BLACK WIRES.THAN AT THE REAR THERE IS ANOTHER ROLLED UP WIRE SET A RED AND WHITE WIRE.THE TRIM UNIT...