512TR Dial problems

Do you mean that the oil pressure gauge always reads maximum -- even with the key "off", or that the oil pressure gauge reads zero with the key "off", but goes to maximum when you turn the key "on"?

Same sort of question on the speedometer -- does it read less than 20 km/h when the chassis is at rest, and then increases up to 20 km/h, but stops there? Or it just always reads 20 km/h regardless of the coachwork speed? (There is a pin in the gauge face that the needle rests on that is more than zero so have a close look to see if the needle is just always against this pin.) Also, is the odometer working or not working?

 

Are you able to respond racing512, or are you just going to (probably needlessly) replace the misbehaving gauges?

Right now, I'd put a greater probablity on a wiring or sensor problem for the oil pressure gauge, and a sensor problem for the speedometer problem, but need those questions answered to go forward...