Speedometer works sometimes

jd50i

New Member
1998 Ranger, 4.0, 2WD, MT. Speedometer works intermittently. When it stops working, so does odometer and trip meter. Cruise control remains functional so I doubt if it is the VSS. I have been looking for a wiring diagram but I haven't found anything showing the wiring from the speedo to the PCM. Has anybody heard of this problem and have ideas?
 
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