Data Port on 21i limited

[jester111e]

anyone know where the data port is on my 21i? ive looked all the hell over and im not seeing it or it has something else plugged in it? any ideas would be Great!

[huntingwiley]

What engine do you have. Mine has the Merc 350 and the ECM is right on of the motor near the back. The Data port is right there beside the ECM.

[jester111e]

I have the Marine power 5.7 does it have a dummy plug in it or something