Join Date: Aug 2007
Location: Staunton, VA - USA
While incorrectly placed wiring could be the problem, you could also have had the speedometer gear disintegrate inside the instrument, which seems to be "not uncommon" on these cars.
Good luck in finding the correct diagnosis.
The opposite of a correct statement is a false statement. But the opposite of a profound truth may well be another profound truth. ~ Niels Bohr