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Dumb ***** Question

old banger

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and is it easy to find the speed sensor wire??? as im fitting my sat nav stereo tommorow morning???        :yes:

Easier at the back of the speedo. If you have a rev 1 you can trace the track from the speedo to the connector. One screw is ground and the other is the signal. The pulses are generated in the speedo on a rev 1.

On a rev 2 or later, the speed pulse in (12v) is the top left screw and the speed pulse out to the ECU (5V) is the top right.

Why run a cable from the stereo to the ECU when there is already a wire in place?

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