What is wrong with a 95 Chevy truck when speedometer and tach doesnt work and transmission wont shift but some times it does?

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The VSS (Vehicle Speed Sensor) is probably bad. Also check the fuses.
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What could be wrong if the speedometer stopped working and the transmission will not shift?

It sounds like the VSS (Vehicle Speed Sensor) has failed. If the VSS fails, it can cause the symptoms you are describing. Check the wiring and make sure your VSS is properly plugged in before you replace the VSS. Where the VSS is located can vary depending on Make Model and Year. Check your vehicles ( Full Answer )

How does a speedometer work on a 95 Chevy S-10?

Answer . \nthere is a speed sensor on the rear of the tranny which puts out a pulse to the ecm this is converted to dc current to drive the speedometer faster the speed more pulses more pulses the higher the dc the higher the dc the faster the speed display

What could be wrong if a 1995 Ford Escort LX speedometer does not work and the automatic transmission will not shift out of first gear?

I'm having the same problem. Seems to me it's something in the engine wiring harness. It happened once and my daughter played with some of the wiring and it was fixed for quite a while. Recently, an auto repair shop was messing with the wiring and it's back doing the same thing again. Speedo not wor ( Full Answer )

Speedometer doesnt work?

its likely to be a fuse problem. the fuses can be found underneath the steering column usually

Mazda b2500 tach works speedometer does not?

The Mazda tachometer and the speedometer have separate cables. The tachometer cable probably does not work properly. Change the tachometer cable.

On a 2005 Chevrolet Malibu the instrument panel backlighting are working fine but all the gauge indicator speedometer and tach are not working and the fuses are fine. What could be wrong?

I had a Dodge Neon that periodically all the guages went to 'zero'. Had it in the shop several times for nearly 15 days total, and it turned out that the battery connections were a little corroded and loose. I would suggest checking to make sure your battery is operating correctly and is connected c ( Full Answer )

Why wont the headlights work on your 1987 Chevy truck?

You may want to check the fuses for the lights. If that inst the case than it has something to do with the wiring which is a big mess. Or check the bulbs. Check the simple stuff first before going drastic.

Why wont a 1992 Chevy cavalier automatic transmission shift while driving?

could be a rusted out tranny line or a disconected vacumm line.. or possibly the madulator valve went out.. or even more possibly your tranny is shot.. i would try looking at all the lines and if they are all intact try replacing the modulator valve which will cost less than 15 dollars at any auto p ( Full Answer )

Speedometer stopped working on 2003 Chevy truck?

If both the speedometer and odometer stopped working it is probably the speed sensor in the transmission gone bad. If only the speedometer quit you may have to replace the dash cluster with a reconditioned unit.

Why wont my 1989 Chevy truck shift out of 1st gear?

Can you use park, neutral, or reverse? If so then your tranny is in limp mode. The only gears that work are 2nd and reverse. Check the cable to your tranny and see if it is plugged all the way in. If it is then you have other electrical problems and need to have your truck looked at. I'm not sure ( Full Answer )

What could be wrong if the speedometer stops working and the transmissions shifts hard on a Ford Taurus?

It sounds like the VSS has failed. If the VSS fails, it can cause the symptoms you are describing. Check the wiring and make sure your VSS is properly plugged in before you replace the VSS. One notable exception, If your vehicle is a Generation 3 Ford Taurus SHO. The SHO uses the ABS wheel sensors ( Full Answer )