Speed sensor 83-92Later 80's + speed sensor. Speed sensor for most CAREFULL.. NO RETURN OR PLAYING WITH THEN RETURNING Brand NEW SPEED SENSORS. these have been 100% perfect. unlike older ones or cars with other related faults. If you think as a few folk have that "its worth a try" to get one and fit it than say its faulty like yours.. please buy somewhere else.. These are brand new and never been used ever. 1983 92 T700R4, 4l60 MD8 Auto check yours up against this