The four wires control the turn signals brake lights and taillights or running lights. There are two different types of 7 way connectors one with flat pins blades and one with round pins.
Details About 12v 4 Pin Flat To 7 Pin Round Trailer Plug Wiring Adapter Plug Black Rv Style
Round 4 pin trailer wiring. This is a trailer end plug. One way to check for faulty wires is to use a circuit tester. It might be best to change to a 4 way of some type. 44 out of 5 stars 43. The first thing you need to do is make sure that your connector works properly. As the name implies they use four wires to carry out the vital lighting functions.
4 way trailer connectors are typically used on small trailers such as boat snowmobile utility and other trailers that that do not use brakes. At the moment neiter tow vehicles nor trailers are equipped with round 4 pin connectors from the factory. Installing your 4 pin trailer wiring system is easy if you follow the correct procedure. 4 way trailer connectors are. Commonly sold without the wires. Curt 58060 trailer side 4 way round trailer wiring harness plug 4 pin trailer wiring.
Brown running lights. The vehicle side is the pollak heavy duty 4 pole round pin trailer wiring socket pk11404. As a rule you can find these connectors on the older trailers and older vehicles built in the us. Traditional trailer with brakes use a 5 pin connector. If it is not no amount of wiring will get the lights to work. 1 4 wire the first 4 pins white brown yellow green just like the 4 pin connector above.
Following the standard method for wiring a trailer connector is vital to the safety of your vehicle while towing. A 3 flat is indeed a tough plug to find. To abide with state laws trailers must be equipped with the proper brake and tail lights and the trailer connector wiring adapter allows you to connect your vehicles electrical network. To ensure your trailer has safe visible and legal lighting a trailer connector wiring adapter may be a necessary towing accessory. Allowing the tow vehicle to control the trailers lighting system. Note that this type of 4 pin connector is less common that 4 pin flat connector.
Make sure that all cables are electrically conductive. Blue electric brakes or hydraulic reverse disable see blue wire notes below in the trailer wiring diagram and connector application chart below use the first 5 pins and ignore the rest. Use this 4 pin trailer wiring diagram to properly wire your 4 wire trailer plug. We have the pollak heavy duty 4 pole round pin trailer wiring connector pk11402 that will accept up to 12 gauge wire. More buying choices 343 8 new offers hopkins 48295 4 pole round matched set. Parts needed to attach 4 way flat trailer wiring to a 4 pin round harness on a 1995 ford f 150 recommended 4 pole to 7 pole wiring on vehicle what style 4 way round socket does the custer trailer connector adapter adp001 fit.
Free shipping on your first order shipped by amazon. Get it as soon as mon jul 20. Connecting the wrong color wires will result in mismatched taillight functions and confusion on the road. They also provide a wire for a ground connection. The round pin connectors are very uncommon while flat pins are common and often found on newer suvs and trucks that come from the factory rigged with a trailer hitch.
Gallery of Round 4 Pin Trailer Wiring
