Ford Rotunda Diesel 7.3L Tach Timing Meter Set Kit Model 78-0100 Not Tested

  

Ford Rotunda Diesel 7.3L Tachometer Tach Timing Meter Set Kit Model 78-0100. I have no way to test this and no way of knowing if it works or not. Other than the display (as shown in the picture), there is no indication of damage.

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