WARNING: This page is about a different car, the 2016 Dodge Journey and 2015 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Glow Plug Module & Connectors
Courtesy of CHRYSLER GROUP, LLC
The Glow Plug Module is located on the left side of the engine compartment, and is attached to the Powertrain Control Module (PCM) bracket in front of the master cylinder.