Amazon: 2012 dodge ram fog lights AUTOSAVER88 Factory Style Fog Lights For Dodge Ram 1500 2009-2012 Ram 2500 2010-2014 Ram 3500 2010-2012 (Smoke Lens with Bulbs & Wiring Harness) 4.3 out of 5 stars 21. $52 $ 52. 99. Tecoom DR0312 OE Replacement Fog Lights for 2009-2012 Dodge Ram 1500/2500/3500/Truck Pair Smoke Lens with Bulbs. $39 $ 39. 99. Fog Light Wiring | Page 2 | DODGE RAM FORUM Feb 07, 2015If you want to give me your email address I will send you the wiring instructions for the 1500 fog light kit and you can see if your 2500 is the same. It's very simple, so should only take you 5-10 minutes to check if you have the same harness/plug to tap in to.