AMP Research PowerStep wire harness kit for 2018 Ram 1500 supports the automatic POWERSTEP running board system that extends when doors open and retracts when closed. The harness enables plug-and-play installation of the motorized running boards that improve ground clearance and appearance while providing all-weather durability. Kit includes the black wiring harness and hardware needed for a straightforward fit to the listed model.
AMP Research 2018 RAM 1500 Wiring Harness Kit