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post #6 of (permalink) Old 24th August 2009
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I'm guessing here, but the speedo sender unit is most likely a 'Hall Effect' transistor arrangement that gives out a square wave pulse that you will only be able to analyse with an oscilloscope. Changing the sender may be the answer.....but not necessarily..
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1997 Espace III 2.2 RXE DT
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