dodge ram taillight wiring harness | eBay www›Search›dodge ram taillight wiring harnessFind great deals on eBay for dodge ram taillight wiring harness. Shop with confidence. Skip to main content. eBay Logo: 2 product ratings - 03-06 Dodge Ram 1500 2500 3500 Tailgate Tail Light Wiring Harness Factory Mopar . $58. Buy It Now. Dodge Ram Tail Light Wiring Harness 55077346AA OEM Mopar Lamp Connector 02-03 See more like this. Dodge RAM 3500 4x4: what is the color code for the tail What is the color code for the tail,turn,brake,and trailer brake wiring on a 2012 ram 3500 - Answered by a verified Dodge Mechanic I have a 2003 dodge dually 3500 4x4. All the lights on the truck work but whenever i hook up to any trailer using a 7 way, I DO NOT have just the left tail light on the trailer.