4-Way Trailer Wiring Recommendation for 2020 Subaru Ascent

Question

Question:

I ha e a 2020 subaru ascent premium and am looking at putting a hitch on it. I have the hitch picked out, but am looking for the correct wiring I just want a 4 plug harness as doing a 7 way would be a gateway for me to haul too much. Thanks in advance for your help.

asked by: Derek

0

Expert Reply:

Hey Derek, so the Tekonsha 4-way trailer wiring harness part # 118790 is the best option for your 2020 Subaru Ascent as it has the easiest install and the most reliable converter box.

expert reply by: Jameson C

0

Jameson C.

1/5/2026

Hey Derek, how did things go with the Tekonsha 4-way wiring harness on your Ascent? Did it give you the simple setup you were hoping for? Your update could make it easier for others choosing a 4-way option.

Answer 1

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 2

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

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Answer 3

Congrats on the new motorhome Edward! SnapPad doesn't have the 2026 Allego Red 38 KA in their system so I don't know what size your jack feet are. However, we have a few options that will work with the HWH leveling systems. What you'll…

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Answer 4

Hey Anthony, If you're referring to the little spring/clip I have pictured below then it would not be something that we offer. The #CE16691A you were looking at would be the only alternative we could offer besides replacing the entire hook.

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Answer 5

Hey, Jim. You can definitely use rivets instead of the T-bolts to attach the tracks for the Rhino-Rack Aero Bar Roof Rack for Camper Shells #Y02-480B to your roof. We’re not able to swap the bolts out for rivets before shipping, but you should be…

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Answer 6

We offer two primary types of hitch for your 2020 Subaru Ascent. One installs so that the receiver tube sits up against the underside of he back bumper fascia with most of the hitch being visible from the rear of the vehicle. The other type would…

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Answer 7

Hello Gail, I see that you were able to get one ordered. The etrailer License Plate Mounting Brackets for Hitch Mounted Cargo Carrier #e98944 is going to work great with your cargo carrier. I attached an image of what it will look like after it is…

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4-Way Trailer Wiring Recommendation for 2020 Subaru Ascent

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