WARNING: This page is about a different car, the 2016 Jeep Wrangler and 2015 Jeep Wrangler. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Overdrive/Tow/Haul Switch Circuit Diagram
Courtesy of CHRYSLER GROUP, LLC
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article
.