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Hypertech Speedometer Calibrator Part #730102 Customer Reviews
2 Customer Reviews
Reviewed by JOSHUA R (DANVILLE, IN) Reviewed for a 2011 GMC Sierra — Oct 16, 2012 8:37 PM
The inline version makes for a fun install due to the interior trim panel removal, removal of the main connector to the gauge cluster, and zip ties to keep things together. Upon a very easy and user friendly programming procedure using the tire ratio method, testing with chase vehicle & GPS indicated speedometer was reading 2.5 mph fast @ 55 after calibration. OOPS I will need to make additional adjustments using the tire diameter method with another dash diss-assembly/reassembly fiasco.
Ships By 4/23
- What Do You Drive?
- Part #:730102
- No limits for increasing tire height
- No splicing required! Connects to the factory wiring harness