yeah three wires i heard u can slicew into te green one and i seen a guy do it on a 01 cummins with three wires off the edge chipp and he sliced the pink and black wire to a switch i have 2 blks and one green i sliced the green and powered blk to a swich i hit the check engine light comes on and it smokes a little more nothing crazy tho? these guys were talkin rollin coal lik a mother, then i hit the switch off and after a little cel goes away, but with it chipped it barely smokes on setting 5 and the low boost on 5