Hypertech In-Line Speedometer Calibrator 730102

2007.5-2014 GM 6.6L Duramax LMM/LML
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Hypertech’s In-line Speedometer Calibrator Module is an in-line module to correct the speedometer and odometer for non-stock tire sizes and/or rear gear ratios. This module is perfect for vehicles with computers that don’t allow for tire size and/or rear gear ratio correction or re-calibrate for tire sizes and/or rear gear ratios outside the range of programmers.

Using the USB cable connect, the In-line Speedometer Calibrator Module to your PC and enter the new tire height and/or rear gear ratio. There are no limitations for increasing tire height or rear gear ratios. Next, disconnect the factory connector to the instrument cluster (behind the dash), snap in the Speedometer Calibrator Module, reconnect the cluster, and you’re done! In a matter of minutes, you can accurately correct your speedometer and odometer readings.

  • Easily installs in factory wiring harness
  • No splicing required!
  • Kit includes USB cable & software
  • Speedometer/Odometer corrections for non-stock tires or gears

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