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Chevrolet Express Speedometer Calibration

This page contains information on how to roll back or calibrate speedometer on Chevrolet Express 2001 year manually. You will need our TachoSoft Mileage Calculator and programmer. 

Chevrolet Express speedometer calibration information

information Chevrolet Express odometer rollback

Chevrolet Express odometer calibration

In Chevrolet dash the mileage is stored in Motorola 68HC11E9. Power connection is the next: 12+ - B10 & B11, GND - B13.

 

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