what is the problem ? shift linkage or bad tranny
driving parked then went to shift but shifter moved all over the place but tranny is stuck in 3rd gear
There's only one way to find out, Look. Block your truck tires and you or a friend can look from underneath while the other moves the shifter. Vehicle not running! Chances are on a 16 yr old vehicle you lost a pin out of your linkage.
either the pin is lost, or the linkage is loose
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