wiring for gauges

[stdoc3264]

Hi I am wiring a boat for gauges it has a OMC remonte control there is the pluge that has 3 wires what do each of the wires do I am putting in temp. psi, tach, volt, trim, speedo, so i have wayyyy more gauge then wires Help I have checked the motor and the wires seem to be right there and run up to control

[laderwell]

what motor and year is it first?