Popeye2347
Full Access Member
At about 62-68 mph my speedometer needle will bounce, not a lot mind you, but enough to set my 'OFF' light on the shift lever to flashing. I have replaced and adjusted the FIPL switch, cleaned then replaced the VSS on the rear axle, then cleaned the contacts with cleaner, [they seem normal tight on the pins], [found no fuzz, chips or shavings on it], and replaced the rear axle fluid.
The code reader shows a bad vss when it is acting up, but good when the light is not lit[as one would expect it to act.] I have shook and inspected the wiring and it all looks good, and it works good unless I travel ~65 for a distance, then with the needle bouncing [only a slight wiggle mind you] the OFF light will illuminate. The tach needle is rock steady. If cruise is on the truck will slightly surge if engaged ~65 mph. 60 or 70 is OK, just about 65 is where the problem manifests itself. I have used the search feature and after about wearing out the 'back' button, I can not find anything similar to my problem [imagine that!]
Other than the obvious of not travelling ~65 mph, what could be wrong? This is a class one PITA! See sig for year, etc.
The code reader shows a bad vss when it is acting up, but good when the light is not lit[as one would expect it to act.] I have shook and inspected the wiring and it all looks good, and it works good unless I travel ~65 for a distance, then with the needle bouncing [only a slight wiggle mind you] the OFF light will illuminate. The tach needle is rock steady. If cruise is on the truck will slightly surge if engaged ~65 mph. 60 or 70 is OK, just about 65 is where the problem manifests itself. I have used the search feature and after about wearing out the 'back' button, I can not find anything similar to my problem [imagine that!]
Other than the obvious of not travelling ~65 mph, what could be wrong? This is a class one PITA! See sig for year, etc.