7-Way, Vehicle End, Trailer Connector Wiring Diagram 7-Way, Vehicle End, Trailer Connector Wiring Diagram. I would like a wiring diagram for a 7 pole trailer connecter socket vehicle end for a 95 chevy van G20 thank you. asked by: Ray. Expert Reply: If you click on it you can enlarge it. I have also included a trailer wiring FAQ page for you to check out. Click to Enlarge. expert reply by4.9/5(266)Brand: Pollak Chevy 7 Pin Trailer Wiring Diagram | Trailer Wiring Diagram Oct 18, 2018Chevy 7 Pin Trailer Wiring Diagram – 2000 chevy 7 pin trailer wiring diagram, 2005 chevy silverado 7 pin trailer wiring diagram, 2014 chevy silverado 7 pin trailer wiring diagram, People understand that trailer is a vehicle comprised of very complicated mechanisms. This automobile is designed not just to travel 1 location to another but also to take heavy loads.