The 10 Best Trailer Wire Adapters (2022 reviews)

trailer wire adapters
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Are you planning to buy trailer wire adapters, and are you confused about the options ? This page is just for you.

Our review process:

Our Top Picks:

Best Overall:
Buy: Reese Trailer Wire Adapter
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Best For Side Marker:
Buy: Hopkins Towing Solutions Good Connection
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Best For Tail Lights:
Buy: Carrofix Trailer Wire Adapter
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Best For Heavy Gauge:
Buy: Hopkins Towing Solutions Trailer Wire Adapter
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Best For Trailer Brakes:
Buy: Hob4U Trailer Wire Adapter
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Best For Boat Trailer:
Buy: New Sun Trailer Wire Adapter
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Best For Simple Solution:
Buy: Curt Trailer Wire Adapter
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Best For Direct Replacement:
Buy: Oyviny Trailer Wire Adapter
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Best For Boat:
Buy: Nilight Trailer Wire Adapter
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Best For Small Utility Trailer:
Buy: Carrofix Existing Flat Connector
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Best Overall: Reese Trailer Wire Adapter

Reese Trailer Wire Adapter
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The adapter is a must have add-on for your daily use. The Reese trailer wire adapter is built with corrosion-resistant terminals and tin-plated contacts for an extra long life. The Manufacturer says: With proven designs that exceed the industry standards, we are the brand of choice when performance is the expectation. The Reese towpower professional writing adapter is built with long - lasting corrosion - resistant terminals and tin - plated contacts.

Above all, the Reese trailer wire adapter works perfectly, It is built with durable construction and has great design.

Almost all buyers found that the adapter would last a lot longer. Further, they also found that the adapter provides two flat connectors as a bonus. In conclusion, the tone of buyers is very positive and we believe that the adapter suits the purpose.

Top Customer Quotes:
  • It is easy to see if the trailer lights are working.
  • This is reliable, it has a built-in led tester and has a good design.
  • This is the reason why people ask for Reese by name.
  • This is used for trailers with surge brakes or hydraulic brakes.

Best For Side Marker: Hopkins Towing Solutions Good Connection

Hopkins Towing Solutions Good Connection
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The Hopkins towing solution good connection is suitable and reliable and fits well with your daily uses. The Hopkins towing solution good connection is effective, connects the trailer, It is stop light and has a great design. Uickly convert your 7 blade vehicle side connector to a 4 flat trailer end connector. Further, the adapter is good good quality, can wait for a great deal and it fits perfectly.

Finally, the Hopkins towing solutions good connection includes function testing leds and also has a patented weatherproof design.

Most customers agree that the adapter is great for testing devices, making sure that vehicle wiring and harness are functional. And, a few also found that the adapter fits snuggly in the socket and the flat harness stays connected. Moreover, a few strongly agree that this thing does not plug in very far at all into the socket on a Nissan frontier hitch. To sum up, at the price, they believe that they got a steal of a deal with it.

Top Customer Quotes:
  • This is highly recommend, it is great for a fair price and has a perfect design.
  • This works with all 7 pin factory plugs to convert to a flat 4.
  • This includes dust cover for 4 flats to help prevent corrosion.
  • This comes in handy if renting/borrowing a trailer.

Best For Tail Lights: Carrofix Trailer Wire Adapter

Carrofix Trailer Wire Adapter
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The Carrofix Trailer Wire Adapter should be able to handle its purpose and duties with ease. The carrofix trailer wire adapter is very good and it works great. The trailer wiring extension extends your current 4-way connector. In addition, this is designed to supply power for tail lights, turn signals and brake lights as well as a ground connection.

The adapter is yellow and it works perfectly. Most importantly, the carrofix trailer wire adapter works fine, is very sturdy and it is too short.

Almost all customers agree that the adapter is great for any other wiring plug location without it dangling too low. Also, they also found that the adapter is a great extension to the vehicle if trailer wires are short. In addition, a few say that the advertised lengths are correct when the extension is pulled out that far it pulls on the plus pretty hard.

Top Customer Quotes:
  • This can make for good quality and it made very good.
  • This can change with wire length, allowing for a great fit and it is very durable.
  • This has nice bend protectors on each end to prevent the insulation from cracking.
  • This is exactly as advertised and worked great.

Best For Heavy Gauge: Hopkins Towing Solutions Trailer Wire Adapter

Hopkins Towing Solutions Trailer Wire Adapter
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Hopkins Towing Solutions line of adapters comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The Hopkins towing solutions trailer wire adapter is great for helpful tips, It does the job and has a durable design. Common connector types range from 7 wire systems down to a 4 wire system. These connectors provide the following functions.

Above all, the Hopkins towing solutions trailer wire adapter is ready to use, It makes for a great solution and has a very nice design.

Most customers opine that the adapter comes with a self-tapping screw for ground though. And, a few say that the adapter is perfect for two vehicle.s. Moreover, a few strongly agree that the adapter makes for a great semi-permanent/permanent setup. In short, many have used the adapter for more than a few months without letup, and it shows no sign of giving up.

Top Customer Quotes:
  • This is easy to read, accurate, and very legible.
  • This comes with installation hardware.
  • This works well, but they recently changed the design.
  • This can bend easily if forced.

Best For Trailer Brakes: Hob4U Trailer Wire Adapter

Hob4U Trailer Wire Adapter
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The features department is where the Hob4U Trailer Wire Adapter truly manages to shine. The hob4u trailer wire adapter allows for easy install, is good for good quality and it works great. This plug consists of a female 7 way scoket that the trailer plug can plug into, and a 4 - way flat plug to plug into the back of your car. In addition, the adapter works for trailer brakes and it is suitable for voltage range. Lastly, the hob4u trailer wireadapter is of better quality, is effective and it works as advertised.

"Make sure it's for your vehicle. " - says, one customer. So, customers were very happy to recommend it to friends and families.

Why We Like This:
  • Simple installation: all necessary mounting brackets and screws+nuts included.
  • Extremely durable ab plastic construction, weatherproof and corrosion resistance.
  • Works on most vehicle wiring components like turn signals, brakes and auxiliary power.
  • The wiring harness plugs into an existing 4-way flat connector and hardware to existing wiring.

Best For Boat Trailer: New Sun Trailer Wire Adapter

New Sun Trailer Wire Adapter
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If you often find yourself confused about convenient and suitable adapter, New Sun Trailer Wire Adapter is your end point. The new sun trailerwire adapter works perfectly and it works great. 7/5 way adapter plug, converts a two vehicle 7-way round blade adapter to a 5-way flat pin connector. Moreover, this is good for fast delivery, allows for easy installation and it is very rugged.

Finally, the new sun trailer wire adapter is great for good quality and it is perfect for high quality.

In conclusion, most buyers agree that the adapter suits them best, and no one questions it.

Why We Like This:
  • The heavy-duty plastic housing has non-rusting copper contacts that are durable in any kind of weather.
  • Easy installation and plug-in use, fits for most boat, trailers and rv towing.
  • New and hot releases.

Best For Simple Solution: Curt Trailer Wire Adapter

Curt Trailer Wire Adapter
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The best part: Curt Trailer Wire Adapter costs comparatively little and it is available to ship in 24 hours. The curt trailer wire adapter allows for great ideas and has a good design. The Manufacturer says: Our echo mobile trailer brake controller is particularly unique, featuring a bluetooth connection that links to your smartphone and provides highly responsive braking with your apple or android device as the interface. These cargo tie-down straps come with heavy-duty ratcheting mechanisms and are available in a wide variety of capacities, lengths, hook types and colors.

Finally, the curt trailer wireadapter offers an array of adapters to accommodate most types of plugs and sockets, including 4-way flat, 4-way round, 5-way flat, 6-way round, 7-way rv blades and more.

Almost all buyers opine that the adapter provides 7 pole to 4 pole trailer light conversion. And, they strongly agree that the adapter is zip-tied, plenty of length to then reach to the tow vehicle. And, they also found that the adapter can stretch to 5 feet yet is coiled up and compact. Without any doubt, this product passed the test and had very satisfied buyers eager to share their experience.

Top Customer Quotes:
  • While others require a connection for reverse lights, electric brakes and auxiliary power.
  • This is constructed from quality plastic and requires no splicing.
  • The cable thickness does not allow the trunk lid to close.
  • The coiled cable also helps keep the wiring harness from scraping on the ground.

Best For Direct Replacement: Oyviny Trailer Wire Adapter

Oyviny Trailer Wire Adapter
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The Oyviny Trailer Wire Adapter's superior materials make sure that it ages well with use. The oyviny trailerwire adapter is white, it has stop lights and has a good design. The Manufacturer says: We offer a 1 year warranty for this item, your satisfaction comes first. This 4 - wire flat trailer - end connector includes a thick and tough jacketed cable that 's going to protect the wire against the elements.

Lastly, the oyviny trailer wire adapter can change wire length and has a durable design.

Almost all customers opine that the adapter is by far one of the best replacement 4-prong flat plugs out there. In addition, they also found that the adapter will last many years. To add to that, it is a wire harness with a protective covering over the four wires. Moreover, they also found that the adapter is a direct replacement, looks great and has a much neater appearance than the typical 4 wires that come standard on trailers. In conclusion, the tone of buyers is very positive and we believe that the adapter suits the purpose.

Why We Like This:
  • This is green, it is good for wire size and has a great design.
  • This is yellow and it allows for clean installation.
  • Good investment for the long term.

Best For Boat: Nilight Trailer Wire Adapter

Nilight Trailer Wire Adapter
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The Nilight Trailer Wire Adapter's material feels more premium than its price would suggest. The nilight trailer wire adapter works as advertised, It is very solid and has a perfect design. Use a 7 pin to 4 pin trailer adapter plug product practicality. In addition, it is perfect for high quality and has a practical design.

The adapter is suitable for boat, rv, atv, chevrolet, ford, dodge, ram, toyota or gmc. In addition, it is easy to carry, small size, can be stored in a glove box or tool box, no need to take up extra space. Finally, the nilight trailer wire adapter is used to connect the external trailer signal light cable, 4pin interface and trailer signal light connection for trailer signal display.

Most buyers opine that the adapter fits the vehicle properly. To sum up, buyers found this to be one of the best adapters for daily purposes.

Why We Like This:
  • This is widely used in most off-road vehicles with 7-hole connectors.
  • This can be installed on boat, yacht, skiff, freighters and ships.
  • It is easy to use and has a good design.
  • It’s the best choice for you when you need to convert from a 7-way to 4-way.

Best For Small Utility Trailer: Carrofix Existing Flat Connector

Carrofix Existing Flat Connector
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The Carrofix Existing Flat Connector is suitable and reliable and fits well with your daily purpose. The carrofix existing flat connector is cost effective, is great for decent quality, it is easy to use and has a great design. Provide all the needed electrical and mounting hardware connector kit to provide both the 4 and 7 wire plug in for your trailer. This trailer wire connector comes with a protective cover for 4 pins and a 7 pin socket to keep the terminals clean when not in use.

The adapter works well for good quality, it is effective and has a good design. And, it comes with blue wire, it is white and has a perfect design. Most importantly, the carrofix existing flat connector is best for good fit, It is made for good construction and has a very nice design.

Most buyers found that the adapter is great for a camping trailer and a small utility trailer. Also, they say that the adapter allows 7 blade connect for rv's or large trailers and the simplicity of the 4 plug for utility trailers. To sum up, for almost all buyers, Carrofix product was just what they wanted.

Why We Like This:
  • This is yellow, is very nice, it is weather resistant and has a multi-function design.
  • This makes for easy install and it comes with black wire.
  • Included hardware and metal mounting bracket secure wiring to the vehicle or trailer hitch.
  • This is for reverse lights and it is also well-protected with the included split loom.