phragle

iTrader: (3)

Im dropping in a 2000 454 efi, boat had a carb 454, but came with no motor. Do I need to change/add anything or will the plug plug in and everything will be honkeydorey??

motor

iTrader: (3)

If it's mercruiser ,drop it in .If not ,what is it

phragle

iTrader: (3)

mercruiser, so the engine to dash harness needs no changes, new wires etc??

POWERPLAY J

What year is the boat? Is the harness set up for efi???

phragle

iTrader: (3)

boat is a 95, it was a carb boat.

Hilgy88

Drop it in plug it in and go!!

Trash

There should be a 10 pin plug that will connect all the essential vitals between the dash and the motor. The EFI stuff if all present should be self contained on the motor.