Help with Evo cluster wiring

[Gianni]

I piggybacked it to the white wire and it's not working. My wire is sending signal. Any thoughts bits the stock cc coupe plug. But the wire is white

 

[Paul]

On the back of the cluster there is a screw with TM earth.. Make sure its there, and trace the PCB to the pin in the blue plug and make sure its earthed.

 

[Gianni]

Alright. Yeah I know the screw ur talking about. There is another one tm which pin 3 leads to. I was originally thinking that was tacho. So if there is no earth for where tm earth is on the plug. Where would I run an earth to. Chasis or is there a specific place needed