excellent graphics Cableguy! I can't think of much to add to that, except for maybe easy tap-in points for the turn signal lights. I'll get to that later though.
Trailer Wiring Diagrams
4 Way Systems
Flat molded connectors allow basic hookup for three lighting functions; right turn signal, left turn signal, stoplight / marker and a ground.
http://www.accessconnect.com/images2/4way_vehicle.jpg 4 way tow vehicle side.
http://www.accessconnect.com/images2/4way_trailer.jpg 4 way trailer side.
5 Way Systems
Same as 4 way system listed above but adds a extra red or black auxiliary power wire.
http://www.accessconnect.com/images2/5way_vehicle.jpg 5 way tow vehicle side.
http://www.accessconnect.com/images2/5way_trailer.jpg 5 way trailer side.
6 Way Systems
Round 1 1/4" diameter metal connector allows 1 or 2 additional wiring and lighting functions such as back up lights and electric brakes.
http://www.accessconnect.com/images2/6way_vehicle.jpg 6 way tow vehicle side.
http://www.accessconnect.com/images2/6way_trailer.jpg 6 way trailer side.
7 Way Systems
Round 2" diameter connector allows additional pin for auxiliary power.
http://www.accessconnect.com/images2/7way_vehicle.jpg 7 way RV flat blade tow vehicle side.
http://www.accessconnect.com/images2/7way_trailer.jpg 7 way RV flat blade trailer side.
Hopefully thats all the wiring diagrams for different applications. Trailer, trailer brakes and vehicle. Although vehichle colours codes on vehicles can vary....Add on if ya got em. We appear to have lost original post about trailer wiring. Sorry for the inconveinence.
This guys seems to have some handy tips on colour codes...Vehicle side. He's got some good tips too.
Nice job cable guy. Now we don’t have to explain it ever again just post a link to this..
Thanks Fiero. If you have something to add throw it in there. I can well imagine you've put a hitch or 2 on :wink: