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7-Way Mounting Bracket and Towing Setup for a 2017 Subaru Outback Wagon

Question:

I plan to intstall a hitch to tow a small pop up camper with 7 way connection. I plan to also install the 4 way wiring harness and then a 7 way converter with brake controller. The cross bar of this hitch will be hidden up behind the bumber fascia on my 2017 outback. Where would I mount the 7 way harness in this case?

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Expert Reply:

To mount a 7-way wiring harness on your 2017 Subaru Outback you will want to use the Curt Easy Mount Bracket for 4- or 5-Way Flat and 6- or 7-Way Trailer Connectors - 2" Hitch item # C58000. This will attach to the receiver portion of the Curt Trailer Hitch Receiver item # C13410 you were looking at. It will leave a large enough access point that the bracket will not interfere with the safety chain hooks. I have linked an installation video and a picture below so you can see what this bracket will look like once installed.

The Curt Trailer Hitch Receiver item # C13410 you were looking at is confirmed to fit your 2017 Subaru Outback Wagon. It is custom fit and bolts directly to your Subaru's frame with included hardware. I have linked an installation video below.

For your 4-way wiring harness you will want the Tekonsha T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector item # 118467. This custom-fit T-One connector plugs into your vehicle's wiring harness, which is located in your rear cargo area. We had a 2017 Outback in the shop recently and installed this exact wiring harness. I have attached another installation video and also a picture that will help you find the connector.

The second harness you will need is the Universal Installation Kit for Trailer Brake Controller - 7-Way RV and 4-Way Flat - 10 Gauge Wires item # ETBC7. The kit includes a pre-wired 7- and 4-way trailer connector that mounts easily at the rear of your vehicle 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.

To control your trailer's brakes you will also need a brake controller. I recommend the Redarc Tow-Pro Liberty Brake Controller - Proportional item # RED24FR. This brake controller has a unique installation method where you can mount the control knob on your dash or console and hide the main unit out of sight. This is a proportional brake controller that automatically adjusts your trailer's braking based on the deceleration of your Subaru. You will need the Universal Wiring Harness item # RED69FR to complete your installation.

We have a couple of other mounting options for the control knob that can go inside inserts in your dash. The Universal Mounting Panel for Redarc Tow-Pro Trailer Brake Controller Control Knob item # 331-TPSI-001 which measures 1-1/4 by 1 inch. There is also the option of using the Mounting Panel for Redarc Tow-Pro Trailer Brake Controller Control Knob item # 331-TPSI-002 for the more standard knock-out measuring 1-1/4 by 7/8 inch. I have linked a couple diagrams to show you the dimensions of these mounts, along with a picture we have of this brake controller installed on a Subaru Outback.




Tekonsha Wiring Harness Outback Wagon
Tekonsha Wiring Harness Outback Wagon
(click to enlarge)
Curt 7-way bracket
Curt 7-way bracket
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Redarc Control Knob Mount
Redarc Control Knob Mount
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Redarc tow pro installed
Redarc tow pro installed
(click to enlarge)
Redarc Control Knob Mount
Redarc Control Knob Mount
(click to enlarge)
Redarc tow pro knob
Redarc tow pro knob
(click to enlarge)
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Jerred H

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