If you have power seats in the Lincoln Navigator, and they won't move forward or backward, it could be that the switch is worn out and needs to be replaced. Also, there is a chance that a switch wire came off or is loose.
because the gears are clicking on each other when they spin.
If you have an automatic transmission, it probably has a forward clutch/band problem.
Is it an automatic or standard? automatic and fluid is not pumping when engine is running
because your tiburon likes the backward motions.
has a full charge won't go forward or reverse
Burn cigarette holes in the seats.
It's in "reverse."
bad transmission
I mean this seriously: Where you can get a good used replacement. There is nothing external that can be the cause, it has had a serious internal failure and either needs overhaul or replacement
You will need to port forward.
Your arctic cat 580 will go in reverse and not forward because the reverse linkage is okay while the forward linkage is not.