Originally Posted by richord
I installed a new speedometer cable and new speedometer (removed the KPH and installed an MPH) and the needle is bouncing all over the place. I was a bit leery of the new cable since it had a plastic shaft at the speedometer end while the old one was metal. Is this a problem of the pickup gone bad? I have a GPS with the speed displayed as a backup for now.
Yeah that setup is crap. Look at converting to a electronic VDO with YBE pickup. Plenty of threads on the subject if you search.