Theory Of Operation
WARNING: This page is about a different car, the 2016 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
The Occupant Restraint Controller (ORC) receives power from both a battery and ignition fed input circuit from the Power Distribution Center. These circuits power the ORC and the capacitors used to initiate the squib deployment circuits in the event of collision detection.