How To Install The Curt Spectrum Trailer Brake Controller In A 2022 Subaru Ascent

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Question:

How do I install the curt spectrum trailer brake controller on my 2022 subaru ascent without factory tow package

asked by: Tim A

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Expert Reply:

To install the Curt Spectrum Trailer Brake Controller # C51170 on your 2022 Subaru Ascent without factory tow package you'll need to first install a wiring harness. I recommend the Tekonsha OEM Replacement Vehicle Wiring Harness with 7-Way Trailer Connector # 118290 as it comes with a 7-way and is a simple plug-and-play installation.

Once the the wiring harness is installed you can wire the Universal Wiring Adapter for Curt Trailer Brake Controllers # C51515 that came with your # C51170 into the # 118290. Then you can mount the control module up under your dash so it's out of the way and connect it to the wiring harness adapter. Once that is complete you can mount the control knob wherever fits best and run the wiring from it to the control module.

I've included a video to help walk you through the installation process below.

expert reply by: Kevin C

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Answer 1

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Answer 2

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Answer 3

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Answer 4

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Answer 5

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Answer 6

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Answer 7

The main difference between the Curt Trailer Hitch Receiver part #C13416 and the EcoHitch Hidden Trailer Hitch Receiver part #EH97FR is that the EcoHitch has a completely hidden cross tube whereas the Curt cross tube will be visible from the rear of…

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Answer 8

That's a very good question, we tend to be extra cautious and say to use 10 gauge wire because that would be more than enough. When you get into longer trailers that will end up using a lot of wire the heavier gauge wire becomes more necessary.…

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How To Install The Curt Spectrum Trailer Brake Controller In A 2022 Subaru Ascent

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