Quote:
Originally Posted by Steve Gallegos
My electronic VDO speedo is bouncing from 20 t0 50 then down to 0 then back to 50 up to 100 then down to 40. What do I need to do to fix it?
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Does this happen only when moving, or while stationary?
I would back out the signal wire, if it still does it over bumps etc, then the signal wire is getting falsing triggered, or is shorted to ground etc somewhere in the wiring. If the speedo stays on zero, then the wiring is ok.
Then start looking at the speed sensor, drive/driven gears etc.
Gary