Relay, Intake Air Heater: Description: Description
WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Air Intake Heater Relay, Right Battery Tray & Fasteners
Courtesy of CHRYSLER GROUP, LLC
The air intake heater relay (3) is located in the engine compartment. It attached to a bracket located to the right battery tray (1).