Cummins Fuel Saver Harness You Must Have A DSP5

You Must Have A DSP5 Tune To Use This Switch

RAM 2018+ Truck

DSP5 Gives You The Ability To Switch Between 5 Calibrations With The Purchase Of SOTF (Shift On The Fly)

Called Many Names Such As Power Harness

+2018 RAM Security Gate Diagnostic Communication Cable

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