Beercheck and Zig;  I just got a hitch and need to wire a plug.  I would like to keep things consistant and use a 7 prong plug on everything else.  I found an unused plug with 5 wires to it behind the left tail light.  I tested the plug with lights, turns, brake, etc and am not getting anything to show on the tester.  What is the simplest way to wire a plug into the 96 Trackers light system to get trailer lights.  I realize this rig is not the rig to tow anything heavy, so all I am really looking for is running, turn, and brake lights.  I realize I could splice in, but what is the yellow 5 wire male prong plug intended for if not a trailer?  PS.    utahskibum, thanks for the hitch!