Mine switched to Kilometers and will not go back tried everything !!! any one have one????? tried an 05 wont read tach then?? tried on o4-wont switch from tach to Mph need an 03!!!! PM me with what you have!!
I have a gauge, part number 0620-258, which according to the parts book will interchange with the 0620-284 which is for the 03 Firecat.
Got it cheap at Haydays two years ago hoping it would would work on an M7 but like you I found out they are all different. I would take $35 shipped to you.