Cluster problem!

So my speedometer on my cluster wasnt working neither were the cluster lights, so my friend gave me a cluster i put it in and only the tempertature, gas, and rpm gauges work. Idk what it could be any ideas? 

cruzan wrote:Ur speed sensor
1992HondaCivicHatchDX wrote:What engine / transmission / year eg do you have?
The speed sensor is at the back of the tranny on the left side behind the starter.
1992HondaCivicHatchDX wrote:Did this happen right after the swap? Or randomyly?
1992HondaCivicHatchDX wrote:The check engine light will come on when there is a random difference in power I.e downshift or low low revs because the speed sensor isn't telling it what to think.
1992HondaCivicHatchDX wrote:Nope. I am just trying to understand a little. Is there no Soeed sensor on the tranny al all? or you just dont have the plug to go into it?