I BELIEVE THAT IT INVOLVES RUNNING A HARNESS FROM THE ECM ON PORT, TO ECM ON STARBOARD. THAN RUNNING HARNESS TO DASH AREA TO SMARTCRAFT UNIT. NOT SURE OF THE COST OF THE UNIT, BUT I WOULD NOT HESITATE IN HAVING ALL THAT INFO AT YOUR FINGERTIPS. CANNOT GET ANY MORE ACCURATE THAT THAT, AS FAR AS FUEL USAGE OR ENGINE FUNCTIONS.
LET US KNOW THE DETAILS. GOOD LUCK