Find a detailed wiring diagram for fog lights on your Dodge Ram vehicle, making installation and troubleshooting easier.. Get Dodge wiring diagrams for your car or truck engine, electrical system, troubleshooting, schematics, free Dodge wiring diagrams
. . . . . and 2013-15 fog lights - Swine's: LED light bars in bumper (tow hook Location) I've gotten more than a few requests for a harness to work with the OEM Mopar Foglight Jumper harness in the bumper for 2013-2017 trucks so after a few test installs and 20+ hours of picture and instruction edits here it is:. You will be wiring the switch up to the relay as the "trigger" which will energize the relay and allow the current to go thru the relay to the fog lights. Hope that clarified it a little bit more for you.