You can select the amount of cylinders on the tacho but I wasn't sure whether I could just use the original signal wire or not. I can't see why not tbh.

I just it would be neater if I could use the original ribbon connector strip thingy at the back of the instruments like I've done here:





Excuse the shit pics, my iPhone didn't like being dropped in the toilet and now the camera is shit (pardon the pun!!)