If using the Expandable Circuits, you would locate and remove fuse M35 from the fuse panel, insert the fuse and crimp the orange wires to the Expandable Circuit and reinstall the circuit back into the empty fuse M35 slot.
Yes, all Dodge Applications require a Snubber Valve to protect the Fuel Pressure Sensor from high-pressure fuel spike. If a snubber is not installed it will cause the sensor to provide the wrong reading or fail all together.
For your Fuel Pressure, you would need a Snubber Valve, which is required for all Dodge Applications due to the pressure spike at startup, and 2010 to 2018 Big Line Kit, GS-BL-1015-67.
Yes, the pillar pod will fit the 2009-2018 Dodge Ram 1500 and the 2010-2018 Dodge Ram 2500 & 3500.