Hello, I'm looking for advice in troubleshooting my '82 528e, manual 5speed. Recently the speedometer, odometer, cruise control, and MPG gauge stopped working. I first checked the wires on the back of the instrument cluster. BTW, the tachometer works fine as does the service indicator light. I then checked the fuses and even replaced fuse #6, not the solution. I read the speed sensor may be the culprit. Purchased and replaced that as well with no response from the gauges. My next guess is the circuit board inside the instrument cluster??? If anyone has suggested solutions they would be appreciated. Thank you.