I have a 1994 concours ,and the speedometer sometimes when I'm in a red light, then it turns green and the speedometer won't work, it stays in zero even though the car is moving, it takes time for it to kick in and starts to work fine, but here is my concern! when it doesn't work and the speedometer stays at zero, it won't shift gears, until some how when I go over a bump speedometer works again causing the gears to also work fine, please don't tell me is the input speed sensor, is there another speed sensor that controls the odometer? thank you very much!

Marvin

• 85242 Answers
• Posted on Oct 14, 2008

SOURCE: 1994 cadillac deville concours

Look if the engine is doing what you say then it is overheating and there is no problem with the sensor, remember the sensor only tells what is going on, it does not cause anything like overheating. Have you bled the system of air, there is a factory procedure to do this.

SOURCE: ABS and TC light on, speedometer and odometer not working

I have the 2000 Cadillac Catera Sport and I had the same problem. ABS, TC light and no speedometer and odo. I thought it was an electrical problem however I solved the problem by refurbishing the ABS Module. If you bring to the dealer it will cost you $3,000. You can have your ABS module rebuilt try modulemaster.com they do it for about $200 I believe. I got mine fixed because a friend of mine removed them and soldered some loose connectors together. All it cost me was a case of beer! It worked for my car just a suggestion for you guys. My ABS Module was a Bosch 5.3. Hope this helps!

SOURCE: I have a 1998 Cadillac Catera and the speedometer

ok your cable for the speedometer,odometer may be broken is the radio stock or aftermarket

SOURCE: 1994 cadillac deville concours

On my car, which is the same as yours, it is located on the manifold top back left. Pictures in the book just show it on top.

SOURCE: speedometer and odometer both are not working

This sounds like your speed sensor may be bad. It's located usually toward the top of the transmission. Also make sure the cabling going to the sensor itself is tight and the connections are clean. The speed sensor shouldn't cost any more than around $20 and is available at just about every auto parts store.

I hope this helps! :)