Thanks for all the help. I finally got the formula correct and now my speedometer is correct!
Ok, I'll look into that also. I been working on the formula; I'm getting closer to fixing this I think. Thanks for the help ironmule.
Thanks NorthernMechanic for the helpful response. I've read several already but keep getting something a bit off. I'll read through the thread you...
I was wondering if I could get some help with these dip switch settings? I have a 1996 Western Star, speedometer is factory. Factory 15 speed...