thedave360 Posted March 17, 2009 Share Posted March 17, 2009 So I finally got the thing running since the rats ate the wiring harness. While it was down I changed out the gauge cluster for the one with real gauges and a tach. Everything else seems to work, but the tach. Any ideas? Its a '92 Comanche 4.0HO AW4 4x4 in case thats important. Link to comment Share on other sites More sharing options...
HOrnbrod Posted March 17, 2009 Share Posted March 17, 2009 Check to see if all three mounting screws are on the tach and are tight to the foil. If that doesn't work, the tach's probably bad. I just sold my last HO tach yesterday. :???: Link to comment Share on other sites More sharing options...
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