Most 7-pin trailer connectors are wired the same, with the exception of the backup/reverse light circuit. Some trailers have a separate wire for this function, while others share the taillight circuit.
No, not all trailers are 7 pin. Some trailers have 5 pins, while others have 6 or even 7. The number of pins corresponds to the number of electrical circuits that the trailer needs. So a trailer with more electrical circuits will need more pins.
A 4 pin trailer connector can be converted to a 7 pin by adding a wire to the blue trailer connector. This wire must be connected to the trailer's brakes.
There are two types of trailer connectors, the 7-pin and the 13-pin. So, which one do you need? The 7-pin connector is the most common type and is generally used for trailers with electric brakes. The 13-pin connector is less common but is used for trailers with hydraulic brakes. If you are not sure which type of connector you need, you can always consult your trailer's owners manual or ask a professional at your local trailer dealership.
5/5
QUICK CONNECT AND DISCONNECT. The sae connector with connector protection cap, protect the sae connector from raindrop and dust, which will stay clean and dry inside when you did not use it.
12 FEET LONG ENOUGH: This sae extension cable with 16 gauge wire well made, heavy duty, 4 feet enough long to meet your need, thick and durable.
SAE TO SAE CABLE. 2 pin cable with sae connector, Extension cord with Universal SAE connect. For projects in motorcycles, trucks, solar applications, RVs and cars.
WIDELY USED. SAE Extension cable for battery charger and devices with sae connectors. Fits most battery chargers with quick release connectors. Quick disconnects allow you to remove electrical components as needed for security or repair, ar recharge, etc.
Cable: SPT-2,16AWG/2C; Length: 12 feet; Color: Red/Black; Fast and easy to connect and disconnect.
$234
Since my van sits inactive for about a week at a time, I cut this in half and used it to splice a lead out to the back of the vehicle. To make it easier to plug in a charger when my van is backed up close to the garage, I buried the lead beneath my bumper. This makes it simple to access my charging station from the back of my van. I can plug in more accessories with it as well. I kept the other half for a different purpose.
4.9/5
RELIABLE CONNECTION. These 4-pin trailer wiring plugs come ready to splice into your existing vehicle and trailer wiring. They can be used to connect the taillights, brake lights and turn signals.
VERSATILE DESIGN. These vehicle-trailer connectors make great replacement 4-flat wiring plugs and sockets. The 4-pin wiring design matches industry-standard 4-way flat connectors and is compatible with a wide variety of trailers.
EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of these vehicle-trailer connectors. They feature tabs on the top and bottom for a better grip when plugging in or unplugging.
DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of these 4-pin trailer wiring plugs is made from durable black molded rubber that will never rust or corrode.
READY TO INSTALL. Equipped with color-coded wires, these 4-prong trailer wiring connectors come ready to install. The 12-inch wire loop provides extra length for an easy installation.
$234
I exclusively use Curt connectors now that Harbor Freight connectors have given me problems. They are strong and easily put together. To connect one connector to the car and the other to the trailer, I divided mine in half. I recently learned that you should have one of these extenders uncut in your car when buying a new trailer after purchasing a boat. I couldn't connect the trailer to my car's wiring because the youngster from whom I purchased the boat left no slack in the wiring. He had one of them fortunately, and his father gave it to me.
4.8/5
Wire functions printed on wire for easy reference
Corrosion resistant terminals
12 inch 4 wire flat non-shrouded loop
Extends wiring system for more flexibility for Ford towing packages
Meets SAE standards
$234
To avoid having to continually cut and resplice my off-road lights when I remove my grill, I bought these to cut in half and use as quick disconnects for the lights on my front bumper. To keep mud and other debris out and keep it cooler here in Arizona, I wash my radiator and ac condenser. This eliminates one task from my to-do list. The real length of the wire is 9", but they need to be 12" long.
4.8/5
Compatible with Ford, GM, and other popular tow vehicles
Impact and corrosion resistant
Compatible with Ford, GM, and other popular tow vehicles
2 door connector protection
Applies to over 30 different vehicle applications equipped with a factory tow package
$234
I recently acquired a 2013 Ford F150 with a broken trailer hookup. The wiring harness connector that connects into the rear of the receptacle was irreparably damaged, and many of the wires were broken and rusted.The double receptacle for 4 and 7 pin plugs, along with the matching connector for the vehicle wiring harness, are both included in this package. It securely keeps in place and snaps into the OEM bracket.Strong springs in the receptacle lids create a tight seal when closed.The connector lines are longer and heavier gauge than the vehicle wiring harness, thus I was able to cut out a good chunk of the broken cable while still having a ton of spare wire.Although some wire colors do not match OEM colors, OEM colors do not complement one another. The directions that came with it were simple to understand. All I had to do was align the connector wires with the OEM wires on the plug in the same location.I used adhesive-lined butt connectors that you heat shrink to connect the spliced wires since the adhesive creates a watertight seal around the wires. In order to provide further protection, I then wrapped the connectors with adhesive-lined shrink tubing.It has been on for two months and is flawless.Overall, a fantastic product at a fair price. Without a doubt, I'd buy it again.
4.6/5
WEATHER-RESISTANT. This trailer wiring plug comes with concealed wire terminals. This helps protect the splice-in connection points for the wires, keeping them safe from dirt, rain, corrosion and other threats.
DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of this 7-pin trailer wiring plug is made from durable black plastic that will never rust or corrode.
VERSATILE DESIGN. This connector makes a great replacement 7-way RV blade connector and is interchangeable with virtually any trailer-side 7-way RV connector. 7-pin trailer wiring is commonly used for towing RV travel trailers.
RELIABLE CONNECTION. This 7-pin trailer wiring plug comes ready to splice into your existing trailer wiring. It can be used to connect the taillights, brake lights, reverse lights, turn signals, trailer brakes and auxiliary power.
EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of this trailer plug. It features two hooks on either side of the plug for a better grip when plugging in or unplugging trailer wiring.
$234
Always below freezing, windy, and dark outside, you have to kneel in the slush on the side of the road with a flashlight in your teeth trying to get electrical tape to stick when it is so cold it won't even stretch, and your fingers get frostbite and hurt. Trailer wiring never goes wrong on a warm sunny day.The wiring on every one of my trailers with four-post flat connections would frequently break off where it entered the rubber plug. The light gauge, made in China wires become kinked and eventually break when pushed into the 7 way adaptor. Those inexpensive plugs have no strain relief built in. I eventually came to the conclusion it was a terrible thing to do after replacing them multiple times. They need another splice in the wire, which our salt-covered winter roads will quickly complete, but they will only break again. I substitute these. Now that I have a great big plug body with built-in pull tab tabs to press and pull on, I don't have to remember where my adaptor plug is and the wiring isn't getting strained. All of my flat 4s are being converted to round 7. Additionally, it stops many people from requesting to borrow my trailers because their wiring is incompatible. :)
4.6/5
EASY GRIP. Plugging in this 4-flat trailer light tester into your vehicle is easy with its ergonomic design. It features a tab on the bottom for a better grip when plugging in or unplugging.
VERSATILE. Quickly and confidently confirm the functionality of your vehicle's trailer wiring harness with this connector tester for the taillights, brake lights and turn signals.
SIMPLE TO USE. For each electrical function, an LED lights up indicating a good signal. Just plug the wiring tester into your vehicle's socket and have a helper check the LED signals as you activate them from the driver's seat.
DURABLE HOUSING. To resist the elements and maintain reliable performance, the housing of this tow wiring tester is made from durable black plastic that will never rust or corrode.
LONG-LASTING LEDS. To produce a bright, easy-to-read signal and ensure long-lasting use, this vehicle-trailer wiring tester is constructed with LED diodes.
$234
This tool enables you to test your installation of the lighting kit for your towing vehicle if you have installed a 4-way flat connector to supply brake, signal, and tail lights for a trailer but do not yet possess a trailer. The tester's indicator lights, according to some reviewers, produce unclear results; however, I advise you to just perform a series of tests using the brake pedal, turn signal lever, emergency flasher, and headlight switch on your car. If your installation was done properly, you should be able to see a distinct pattern of LED lights, with single lights for turn signals and two lights for brakes, emergency, and headlights, as shown in the accompanying video. Additionally, there is very little chance of wires crossing because the 4-way flat connector and other connections in trailer lighting kits can only be fitted one way. Naturally, you should double-check everything when you connect a trailer out of concern for your safety.
4.6/5
The AutoSonic 7 way plug trailer cord is super heavy-duty construction, it features a classic RV style 7 pole trailer connector which is insulated and molded to provide the ultimate protection for the terminals and wires
The pre-wired junction box with 7-way connector plug makes it much easier for wire connections as well as keeping all your wires in order and protected, eliminates a lot of the splicing and eases installations, not to mention it also makes the whole diagnostics much simple
We hold the highest bar in the industry, the AutoSonic 7 way plug trailer cord is made of durable and weather-resistant materials with second-to-none craftsmanship which is going to ensure that this product is going to last for years of trouble-free operation
7 ring terminals are all offered for your easy and quick installations with no extra cost for it, matter of fact, these ring terminals can be used for all types of electrical work where wires need fastening, additional 4 open & closed rubber grommets to help protect the wires
Go with AutoSoinc products & Go with confidence: We are proud of our quality products and stand behind them, that’s why what you will also get is our unbeatable Lifetime Warranty Customer Service, the only one of its kind you can find on Amazon
$234
Disclaimer: I received a discount on this item in exchange for an unbiased evaluation.Pros:Plug inserted securely into my truck's outlet. It required some work to put it on (which is a good thing in my opinion).The installation process appears to be quite straightforward. I'm not sure if this is typical of all aftermarket trailer plugs, but simply cut the wire from your old plug and run it into the junction box on the new cord (make sure you know which wire goes where).The wires inside the sheathing are not brittle and weak; rather, they are strong and stiff.Cons:The plastic connection box feels poorer quality than the rest of the cord. It will no doubt endure just fine, but everything else is of the highest caliber, making it stand out.There will be more hardware required than what is provided because the junction box needs to be installed somewhere on your tongue.Overall, if your old trailer plug has to be replaced like mine did, this is a good purchase.
4.5/5
TIDY YOUR WIRE HARNESS - 7-way copper blade molded into a heavy duty plug, provides a fast and simplified way for wires connection as well as keeping all your trailer wiring in order.Cautions: Pls read the plug diagram carefully and refer to the diagram to install this 7 way plug.
EXCELLENT CONSTRUCTION - adopted flameproof ABS junction box and good conductivity copper with solid cord, stronger and rugged, perfect for RVs, trailers, campers, caravans, food vans and other towed vehicles.
FLEXIBLE CONNECTION - 8FT long cord with soft and durable PVC housing that offers you plenty of flexibility to wire it from the front to the rear of your car.NOT LIKE OTHERS, ONLY 4FT OR 6FT.
BEST SEALING PERFORMANCE - 4 open & 4 close rubber fitted grommets for option based on your wiring needs, making the whole junction box waterproof, dustproof and corrosion resistant. WHAT YOU'LL GET:2 Year MICTUNING WARRANTY and lifetime best customer service, 1 x 7-Way Trailer Plug with Junction Box, 4x Open Grommets, 4x Close Grommets.
CONVENIENT TRAILER WIRING - sturdy junction box with color marked 7-poles that can be easily identified, gives you more convenience for wiring left/right turn light, brake signal lamp, reverse light, tail light, etc.
$234
My year-old travel trailer's 7-Way connection has been giving me sporadic connectivity issues. A friend's tip led me to buy this replacement. The wiring tangle that my trailer manufacturer caused has been greatly reduced thanks to this unit's excellent construction. The device is delivered in good condition, and it features a number of grommets that you can use to run cables in a reasonably enclosed environment. One very minor manufacturing flaw was discovered, and it was fixed. A few loose wire strands protruded from the crimped connector on the blue wire. If the strands had made touch with another wire or ground, it might have resulted in a short circuit on the brake line. I'll include a picture of the flyaway hairs below.This item and the wiring on my trailer matched up perfectly. Red to red, brown to brown, etc. Decoder rings weren't required. Although made of plastic, the mounting lugs are extremely durable and ought to survive for many years.I had to install, tidy up the wires, crimp on new connections, and heat shrink them all in a little over two hours. After finishing, I tested the brakes and lights, and the first time I attempted it, everything functioned without a hitch. Anyone seeking to replace an OEM wired plug and box should consider this product.
4.4/5
4 wire to 7 way trailer blade round, connects tail reverse turn signals
Well sealed spring-loaded dust cover protects adapter from elements when leave unused
No splicing of wires needed, plug ends are secure and ready to go
Converts 4 way flat vehicle end to 7 way blade trailer end,voltage range: 6-24 Volts
Easily to create custom plug-in wiring systems for towing solutions
$234
was the most affordable answer to my boat trailer demands. Using a steel drill bit and the supplied screws, installation was incredibly simple. held up flawlessly over a 1600-mile road trip!
4.3/5
WEATHER-RESISTANT. This trailer wiring socket comes with concealed wire terminals. This helps protect the splice-in connection points for the wires, keeping them safe from dirt, rain, corrosion and other threats.
PROTECTED. This 7-way RV blade socket is equipped with a spring-loaded dust cover that keeps the connection points dry and protected when not in use, ensuring strong, consistent power for miles to come.
DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of this 7-pin trailer wiring socket is made from durable black plastic that will never rust or corrode.
RELIABLE CONNECTION. This 7-pin trailer wiring socket comes ready to splice into your existing vehicle wiring. It can be used to connect the taillights, brake lights, reverse lights, turn signals, trailer brakes and auxiliary power.
VERSATILE DESIGN. This connector makes a great replacement 7-way RV blade connector and is interchangeable with virtually any vehicle-side 7-way RV connector. 7-pin trailer wiring is commonly used for towing RV travel trailers.
$234
On schedule and exactly as described. With post screws and retainers, wiring is simple. Although strain relief at each end helps prevent wire pull-through, it's always a good idea to crimp AND SOLDER your fork connectors and add a few zip ties just north of the strain relief for further pull-out prevention.The one thing I didn't like was that the connector housing's pin markings weren't coloured according to the galactic wire standards. It was a little confusing to wire up at first because of this, but the pin numbers were perfect. When interpreting a wiring diagram, make sure you are looking at the appropriate side (the side of the car).
If you have a 7-pin connector on your vehicle, you do not need a brake controller. The 7-pin connector provides power to the brakes and lights on your trailer.
There are several types of trailer connectors, the most common being the 4-way flat. This connector has four wires for the basic functions of turn signals, brake lights, and taillights. There are also 6-way and 7-way connectors that add auxiliary functions like electric brakes, a 12V power supply, and backup lights.
The colors on trailer wiring typically follow the American Wire Gauge standards. However, some trailer manufacturers will use different colors for different purposes. For example, one manufacturer may use red for the tail lights, while another may use brown.
TM stands for Trailer Mounted. A trailer mounted plug is a type of electrical connector that is used to connect a trailer to a tow vehicle. This type of plug is typically used on trailers that have electric brakes or lights.
A 12 pin trailer connector is a type of electrical connector that is commonly used on trailers. It is designed to provide a safe and reliable connection between the trailer and the tow vehicle. The 12 pin connector is typically used on trailers that have electric brakes, lights, and other accessories.
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