Hello John,
for an electronic speedo there are two points about interest.
1) the mechanism that counts something. It‘s a little bit like a bicycle speedo. It needs a signal. That‘s fixed by turning something mechanic. Gearbox output, wheelsensor, propshaft or something in this way.
2) in this way there is a Sensor counting the revs and give it to the speedo. This signal is every time the same, doesn‘t matter about voltage or some other electric/ electronic points. This signal would be mulitplicated by a number „x“ fixed in the speedo. In the usual way
the „x“ could be changed to calibrat the speedo.
That‘s the usual way in all electronic speedos.
I wonder that easteuropean „cardealers“ could change every number in the speedo and the odo, but the „real“ dealers doesn‘t know about it.
René
Last edited by xc68anc; 19/09/20 06:08 PM.
