2008 Dodge: the color code for a 7 blade trailer connector Jul 28, 2011Full Size Image. on the back of the round 7 pin on truck is another plug like below. here is that plug layout. this plug goes to back of 7 pin plug you see. yellow is always left turn and green is always right turn and brown is always running lights on all trailers. blues are optional. I will give it a try. 2006 Dodge Ram Pickup Trailer Wiring | etrailer EZ Connector Custom Vehicle Wiring Harness w/ Magnetic 7-Way Trailer Connector Pickup with factory 7-Way. Replace the existing 7-way on your vehicle with this socket. Built-in magnet creates tight connection with EZ Connector trailer-end plug (sold separately). Face-to-face contacts mean no bent or broken terminals.
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