Hey you all. I have bought a HD Softail Haritage 2010 and i had to swith the speedometer from mph to kph. I bought the original HD speedometer model 7090071 combination tech aluminum. the gauge works great but the lcd screen writes "vin error" and dont work. i noticed that the cable i got is different from the mph one and has only 3 pins and not 6. what can i do? i really want to make it work. thanks.