Recommended 7-Way Wiring Harness for a 2023 Subaru Outback
Question:
I have a 2023 Subaru outback. I Bought the hitch from you and it’s been great. Now I Need wiring harness that is capable of towing pop up camper with trailer breaks
asked by: Jeff F
Expert Reply:
Welcome back! Happy to hear you're satisfied with your purchase. To control a trailer with brakes you need a 7-way connector. To get to a 7-way on your 2023 Subaru Outback you're going to need two separate wiring harnesses.
The first harness you'll need is the Curt T-Connector item # C56040. This custom fit connector plugs into your Subaru's wiring harness, which is located behind the interior trim panel in your rear cargo area on the passenger side. It will provide you with a 4-way connector.
The second harness you will need is the Universal Installation Kit for Trailer Brake Controller item # ETBC7. The kit includes a pre-wired 7- and 4-way trailer connector that mounts easily at the rear of your Subaru with an included bracket. This kit is designed for use on a vehicle with an existing 4-way flat trailer connector and plugs directly into it. You'll then need to run a power wire and brake controller wire.
I have attached installation videos below for both parts.
To control your pop up camper's brakes you will also need a brake controller, I highly recommend the Redarc Tow-Pro Liberty Brake Controller item # RED24FR. This is a proportional brake controller that activates your trailer's brakes when your Subaru decelerates.
The reason the Tow-Pro Liberty is the best option is because of its unique installation method where the only visible portion is the control knob that's about the size of a nickel. The main unit is hidden away inside your dash to be completely out of the way and out of sight.
To complete your installation you will need the Universal Wiring Harness for Redarc Tow-Pro Trailer Brake Controllers item # RED69FR. I have also attached an installation video for this controller below. It will help you get the Redarc installed and set up.
To round out your towing setup you will need the Curt Towing Starter Kit for 2" Hitches item # C45534. This towing kit will provide you with a 2" ball and a fixed ball mount with a 3/4" rise and 2" drop. It also includes a hitch pin and clip, hitch receiver lock with keys, hitch cover, and a storage case.
Products Referenced in This Question
Curt Towing Starter Kit for 2" Hitches - 2" Ball - 3/4" Rise, 2" Drop - 7.5K
- Trailer Hitch Ball Mount
- Fixed Ball Mount
- 2 Inch Ball
- One Ball
- Steel Ball
- Steel Shank - Gloss Black
- Drop - 2 Inch
- Rise - 0 Inch
- Fits 2 Inch Hitch
- 7500 lbs GTW
- Class III
- Ball Mount Kit
- Pre-Torqued
- CURT
more information >
Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector
- Custom Fit Vehicle Wiring
- Trailer Hitch Wiring
- Powered Converter
- Custom Fit
- 4 Flat
- CURT
more information >
Universal Installation Kit for Trailer Brake Controller - 7-Way RV and 4-Way Flat - 10 Gauge Wires
- Accessories and Parts
- Trailer Brake Controller
- Installation Kits
- etrailer
more information >
Redarc Tow-Pro Liberty Brake Controller - Dash Knob - 1 to 2 Axles - Proportional
- Trailer Brake Controller
- Proportional Controller
- Electric
- Electric over Hydraulic
- Automatic Leveling
- Dash-Mounted Knob
- Hidden
- Up to 2 Axles
- Indicator Lights
- Redarc
more information >
Universal Wiring Harness for Redarc Tow-Pro Trailer Brake Controllers
- Accessories and Parts
- Trailer Brake Controller
- Wiring Adapter
- Redarc
more information >
Product Page this Question was Asked From
etrailer Trailer Hitch Receiver - Custom Fit - Matte Black Finish - Class III - 2"
- Trailer Hitch
- Custom Fit Hitch
- Class III
- 350 lbs TW
- 3500 lbs GTW
- 2 Inch Hitch
- Concealed Cross Tube
- etrailer
more information >
Featured Help Information
Instructions
Miscellaneous Media
Continue Researching
- Shop: Brake Controller
- Video: Redarc Tow-Pro Liberty Brake Controller Installation - 2020 Subaru Outback Wagon
- Shop: Redarc Tow-Pro Liberty Brake Controller - Dash Knob - 1 to 2 Axles - Proportional
- Shop: Redarc Encapsulated Power Diode for Tow-Pro Brake Controllers
- Search Results: red52vr
- Q&A: How To Hook Up Redarc Liberty Trailer Brake Controller On a 2020 Subaru Outback with AEB
- Shop: Redarc Tow-Pro Liberty Brake Controller w/ Universal Wiring Harness - Dash Knob - Proportional
- Shop: 24x60 etrailer Cargo Carrier for RV Bumper - Steel - Folding - 500 lbs
- Shop: Trailer Hitch
- Video: Valterra RV Sewer - Connectors and Fittings - D50-2824 Review
- Shop: Valterra RV Sewer Termination Adapter - 3" Lug Fitting to 3" Hub
- Q&A: Replacement AC Shroud for Dometic AC Unit on R-Pad 181
- Shop: Trailer Wiring
- Q&A: How Does Redarc Encapsulated Power Diode RED34FR Get Wired To 3rd Brake Light?
- Q&A: Where To Connect Red Wire Of Redarc Tow-Pro Liberty To 2016 Kia Sorento W/ Adaptive Cruise Control
- Q&A: Parts Needed To Install a 7-Way and Trailer Brake Controller On a 2023 Subaru Outback
- Q&A: Will Installation of 7-Way and Trailer Brake Controller Void Warranty On 2022 Subaru Outback
- Q&A: Recommended Brake Controller for 2020 Subaru Outback Wagon
- Shop: Replacement Flush Ball Seal for Dometic RV Toilet
- Video: Review of Redarc Trailer Brake Controller - Encapsulated Power Diode - RED34FR
- Shop: Replacement Switch for Stromberg Carlson Electric Landing Gear
- Search Results: redarc
- Article: Testing Trailer Brake Magnets for Proper Function
- Shop: Windshield Wiper Blades
- Video: Choosing the Right Brake Controller
- Search Results: curt echo wireless brake controller
- Search Results: etbc7
- Search Results: brake controller
- Article: Brake Controller 7- and 4-Way Installation Kit (ETBC7)
- Video: Choosing the Right Trailer Wiring