CURT 55370 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Subaru Forester, Legacy, Outback, Tribeca, B9, Impreza WRX Wagon , Black

(490 Reviews)

Price
$17.62

Quantity
(10000 available )

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99 Ratings
82
9
7
1
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Reviews
  • Ty Cobb

    > 3 day

    Fast and easy install. Instructions were intuitive. Everything you need except silicone for the install. It took me 10 minutes after reading instructions 5 mins and watching youtube video 3 minutes

  • Jason mershon

    12-06-2025

    This is how to install on 2003 outback. Step 1, throw away directions or use them to start the BBQ. Step 2 locate connectors (readily apparent on OPPOSITE side of wheel well from instructions Step 3 plug it in Step 4 ( hardest part) go through the rubber plug down by the spare. I sealed it with a drop or 2 of e6000 to make sure.

  • Jesuslovesyou101

    06-06-2025

    Perfect fit on my 2004 Subaru Outback. Its been a while, but if Im not mistaken I believe mine did have the connector on the passenger side they way other reviewers have mentioned.

  • javguy

    > 3 day

    It took me about 25 minutes to connect it and put everything back into place and was very simple to do. Im glad I took the risk to try it myself, instead of paying someone else to do it for me. They should tell you that its very difficult to disconnect the connector, so make sure its where you want it before clicking them together.

  • Mitch

    Greater than one week

    I was dreading adding the wiring to my 1996 Subaru after having the trailer hitch installed... but fount that Subaru had made the connection easy to find and nothing more than a snap in connection. Perfect results.

  • kdobes

    > 3 day

    Perfect plug-and-play in my 2005 Outback XT. Took about 30 minutes to install since I had to remove some interior panels to access the wiring and remove the old OEM system that had failed.

  • Charlie Smith

    > 3 day

    Installed on a 2005 Subaru Outback Limited Wagon. This is probably the 5th or 6th trailer harness I have installed in the past 5 years, and was easily the simplest. It truly is plug and play. Remove the rear mat, uncover and remove the spare tire, and then remove the carpet on left side of the trunk area. Plug connector is located in the back left corner of the car, tucked up behind the panel that houses the rear auxiliary power outlet. Youll probably see it, or a wire, hanging down. Give it a tug and attach the Curt harness. Remove the rubber plug in the bottom of the spare tire area, run the harness through the hole, reinstall the plug, reinstall everything else, tie the harness up under the rear bumper cover, and youre good to go. Less than 15 minutes for me, from start to finish. Well worth the few extra bucks to avoid splicing wires.

  • S. M.

    > 3 day

    I have a 2006 Subaru Impreza Outback. The car is not listed on the applicable models, but lo and behold, I have the plug behind the passenger brake lamp, in the trunk. My guess is many more models fit this, just pull back some of the inside carpeting and see if you can find the white connector (it should be empty, ready for the Curt plug). This was so much easier than using the suggested Curt wiring requiring me to drill and run lines from the battery.

  • T. Jordan

    > 3 day

    Beats having to use t-taps after identifying the correct factory wire colors, then having random aftermarket wires strewn about. This solution is both easier, and more importantly, much cleaner and more professional. Took all of fifteen minutes in my wifes forester from start to finish. Until I pull the harness from the spare tire well, you cant even tell it exists.

  • David K.

    > 3 day

    I like this wiring harness because it was very easy to install into my 2003 Subaru Forester. I simply clipped the products vehicle-side connector into the mating connector that Subaru ships on your cars wiring harness. Its a 1 minute job. It works great with my small trailer.

CURT custom wiring connectors are the easiest way to outfit your vehicle with a CURT trailer wiring connection. They are built with some of the most advanced technology in the industry, and each one is custom-fitted to work with a specific make and model. Some automotive manufacturers install a special socket on the vehicle to be used for vehicle-to-trailer wiring. Although this special socket is not equipped on every vehicle, a CURT custom wiring connector -- also called a T-connector -- utilizes the socket for simple, stress-free installation. Rather than requiring you to cut, splice and solder into your vehicle"s wiring system, the custom wiring connector uses a single OEM-compatible plug and instantly provides a standard, universal vehicle-to-trailer wiring connection, typically in the form a 4-way flat. All CURT custom wiring connectors are made vehicle-specific for the easiest possible installation and the best fit. This particular plug-in connector provides a 4-way flat socket and is designed to be a custom wiring option for certain years of the Subaru Forester, Legacy, Outback wagon, Tribeca, B9 Tribeca and Impreza WRX wagon (factory tow package required; to verify your vehicle compatibility, see application info). It comes with all necessary hardware to establish a solid connection. It also comes with a dust cover to keep the connector socket clean when not in use. To ensure long-lasting reliability, all CURT custom wiring connectors are thoroughly tested for optimal functionality. Stress is the last thing you should feel when towing a trailer -- whether you"re hauling your RV to that favorite camping destination, your ATVs up to the hunting grounds or your fishing boat to the new hidden hotspot. At CURT, we think your towing equipment should add to the enjoyment of your experience, not detract from it.

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