1989 Chevy Cavalier sppedometer otometer not working

1989 CHEVROLET CAVALIER
220,743 MILES • 4 CYL • FWD • AUTOMATIC
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BUSTER_SAMSON
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what would be the problem I bought a spped sensor for the 1989 transmission to be replaced and it was the wrong part it has a four prong plug two prong part spped sensor
it was replaced by a private mechanic and it still does not work what could be the problem the needle moves to 0 than stops.

I ahve to be sure before I put any money into the car for unessasary repairs that could cost me hundreds is it the transmission or something else?
Nov 30, 2008 at 2:03 AM
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MMPRINCE4000
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  • 8,548 POSTS
Either the VSS is still the wrong part, or the wiring has an open/short in it, or the speedometer in the IP is bad.
The dealer should be able to test the speedometer gauge in the IP, so you could eliminate that as a problem.
Nov 30, 2008 at 8:17 AM