Ann grear explained: I established it to average pace then maintain the o.k. button down with a match & black tape this gives you a digital speedo Ford will not likely like it but they won't help Click to develop... ^I had to remove the bezel on the cluster to https://opus-x-reserva-d-chateau82221.ourcodeblog.com/32068389/a-review-of-mustang-digital-speedometer