Section 12 (Ignition System (Service Information)): Coil-Ignition: Description: 3.7L
WARNING: This page is about a different car, the 2006 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
The 3.7L V-6 engine uses 6 dedicated and individually fired coil for each spark plug (2).
Each coil (1) is mounted directly into the cylinder head and onto the top of each spark plug.