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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Mine did that too - until I put in a dedicated ground wire from the alternator to the external voltage regulator, as well as cleaning up some other grounds in the car - including the main ground from the battery to the frame.