Actually the much easier way is to chuck the tranny end of the cable into your favoritre drill and then spinning the cable. You should see both the speedo needle and odometer move.
If it's not a broken cable, then you need to check out both the plastic drive and driven speedo gears in the tranny. Is the end of the cable set properly into the end of the driven gear? Are the teeth on the drive and driven gear OK?
Which tranny BTW?
2012 Mustang Boss 302 #1918, Competition Orange. FGF replacement 2006 Mustang V6 Pony, Vista Blue. Factory ordered. 2019 BMW X3 (Titled to the wife, but I'm always driving it for her. So I'm claiming it) Old projects, gone but not forgotten: 1967 FB 400, original CA car. After 22 years of work, trashed by the guy who was supposed to paint it. I had to sell it. 1980 Turbo Trans Am 1970 Mustang fastback, 351C 4Bbl, auto 1988 Mustang GT, 5 speed 1983 F-150 4x4, built 302 1994 Chevy K2500 HD 4x4, 454 TBI
