97 Ranger speedometer not working

[vfrf2]

I've got a 97 Ranger 4 wheel drive, manual transmission. I've replaced both speed sensors, the one on the diff and then the one on the transmission. For the most part, the speedometer and odometer are still not working. Now and then it bounces up and down. Any ideas on what it might be after replacing both sensors?
Thanks in advance.

 

[khooper]

If you look under the truck, near the left rear side of the transmission, check for a cable secured to the transmission by a bolt and clip. This is the speedometer cable, which is probably broken in your case.You can buy just a cable from your parts store, pull the cable from the housing, it should have a square end about 1-2 inches long on each end of the cable. The cable is secured to the back of the speedometer by a spring clip. If you pull out a cable that is not suare on both ends, it is broken!!
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[prsguitars42]

speedo

ha..I'm having same prob. on my '97 electically operated speedo/odometer.
I also replaced the sensor near the clutch/transfer case housings and am still
having prob. Didnt know there was another on diffy. Still having trouble. Kicks in and out. I'm now suspecting faulty psom(programmable speedometer
odometer module) or the intrument cluster only dont know where they are.
Speedo and odometer are mechanical.