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speedometer and tachometer ground

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Old 10-04-09, 08:22 PM
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speedometer and tachometer ground
Ater installing a electromotive ecu I lost my tach and speedometer , speedo will will jump to 40 mph and mileage indicator blinks off and on at times this was an automatic car converted into a 5 speed , does anyone know what color wire and what connector the ground to these units is located??
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Old 10-05-09, 04:56 PM
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download the wiring diagram...this will tell you everything you need to know.
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