RPM and milage not working

[audi660]

RPM and milage not working, was intermittent but now not working at all. Any ideas?

[johne]

Take the instrument cluster apart. You'll see that those modules interconnect inside with long pins that slide into contacts. Lightly clean the pins with emery cloth or similar and reassemble.

[audi660]

Thank you, I'll try that ?

[newsh]

While you're there check those long pins for wobble, the solder joints can crack,