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Need help changing to different speedometer 200

posted by  Jorrell on  Sat Nov 1 13:07 CST 2008
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last visit: Thu Dec 27 03:00 CST 2012
[RELATED]

Yama,

Probably the easiest solution would be to conjure up a divide by 4 circuit and intercept the signals from the rear end before it reaches the speedo. If I recall correctly, you have an Automotive Electronics Engineering background, if my memory is in error, or correct, let me know off line and I'll be more than happy to help out if you are interested. This approach would have to be easier than yanking axles and changing tone rings that probably won't fit quite right.

The trick to the divider circuit will be the input signal conditioning.

jorrell
ps. There may be aftermarket boxes available that do this already.
--
92 245 250K miles, IPD'd to the hilt, 06 XC70, 00 Eclipse custom Turbo setup...currently taking names and kicking reputations!






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