7 Way Trailer Plug Wiring Colors

Typical trailer wire colors.

7 way trailer plug wiring colors. Color clarification regarding wiring issues of a 7 pin trailer blade connector. 7 way rv trailer connector wiring diagram. 7 way vehicle end trailer connector wiring diagram. I recommend using a circuit tester like part 40376 to verify your connections.

Tm park light green battery feed black rt right turnbrake light brown lt left turnbrake light red s trailer electric brakes blue gd ground white a accessory yellow this is the most common standard wiring scheme for rv plugs and the one used by major auto manufacturers today. See the picture to the right for a wiring diagram of seven way vehicle end trailer connector. Most rv travel trailers are wired to match the 7 pole plug connector colors but they should be tested when replacing a connector to be sure the function matches the terminal. We have an excellent wiring diagram on our website i will provide you a link so you can look at it.

Wiring a 7 way trailer connector if existing wire colors dont match. When wiring a trailer connector it is best to wire by function as wire colors can vary. While the basic configuration is a 4 way flat connector that features one female and three male ends you may come across connectors with up to seven pins for additional functions that require wiring including electrically actuated brakes power source for a winch etc. 7 way trailer connectors are found on most recreational vehicles and are used on larger gooseneck 5th wheel boat and utility trailers.

The electric brakes and right turn were the only thing that worked. My 2002 ford factory connector didnt work out today. Tail marker lights. The hopkins 7 way rv style connector and cable h20046 that you referenced uses the rv industry standard color code which is as follows.

Ground 12 volt negative. The colours are different on my trailor. Aux 12 volt pos. The trailer has a connector that has the colors labeled in words and all the wires are matched to the words.

If you click on it you can enlarge it. Lets see what types of connectors the trailer light wiring industry uses today. 7 way plug wiring diagram standard wiring post purpose wire color. White wire ground red wire left turnbrake brown wire right turnbrake green wire tail lights blue wire brake controller output.

There is red and other shade of blue. It should be noted below that the center terminal is labeled as an auxiliary circuit but is most commonly used for backup lights not as a ground terminal as many try to use it. I would like a wiring diagram for a 7 pole trailer connecter socket vehicle end for a 95 chevy van g20 thank you. They supply power to the taillights turn signals brake lights trailer brakes reverse lights auxiliary power and include a ground connection.

They come in two variations 7 way round and 7 way with rv blades. Sometimes if you have no white on trailer this may be the ground wire green.