Speedometer not working

It is probably the vehicle speed sensor. Not the input or output sensor.

My 2001 Mitsubishi Galant speedometer is not working it just stays on 0. I got a speed sensor from ebay used. I dont know how to test it, but I installed it and its still the same. Check engine light is on and meter doesnt move when I drive only the rpm moves. What should I do? How can I test the sensor I got? And if its not the sensor what else can it be?

Thanks

I have a mitsubishi galant 2000 and the speedo has stopped working. I redcently changed the ABS light bulb. Please help.

Hi I just had my heating fixed on my 2004 Mitsubishi Galant. The mechanic had to remove the dashboard and replace 3 parts (heater control valve, blend door actuator and heater core). The heating works now, but my speedometer cluster is messed up. The RPM needle works, and so do the temperature and fuel tank indicators. However, the temperature indicator is slightly lower than where it should be, and the fuel tank needle is slightly higher than it should be. The speedometer needle is completely messed up and starts very low within the cluster, much below the 0 mark. It then picks up and goes to a maximum of 40 kph. It however doesn't pick up in a normal fashion. It doesnt seem to be just un-aligned and off the 0 position but a little weird in general. I am going to give it back to my mechanic soon to get it fixed but I thought I'd get some advice from you anyways. What could be the problem? My mechanic told me to open up the cluster on my dash and try to re-align the needle by hand (while the car is off), which I did, but as soon as I turned the car back on, the needle went haywire and fell back below the mark. Please advise, thanks!

Waqas