Recommended 7-Way Connector for a 2021 Subaru Ascent

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Question:

2021 subar U ascent .I need7 pin flat plug and all wiring to hook up .plus I have a tekonsha prodigy P2 brake controller and I need harness to connect it to the subaru wiring harness

asked by: Robert A

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Expert Reply:

I would be happy to help you. For a 7-way wiring harness on your 2021 Subaru Ascent you will want the Tekonsha OEM Replacement Vehicle Wiring Harness with 7-Way Trailer Connector item # 118290. This custom-fit T-One connector plugs into your vehicle's wiring harness. The connection point for the 7-way tow harness is located behind the rear bumper, on the driver's side. You will also need the Mounting Bracket and Installation Hardware item # PK12711U to mount the 7-way onto your hitch.

Unless your Subaru Ascent came with the towing package there is no plug in adapter for the Tekonsha P2 Brake Controller item # 90885. You will need to hardwire the controller into your vehicles wiring harness behind the brake pedal.

expert reply by: Jerred H

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Answer 1

Hi Daryl! Getting the correct brake controller will depend on if your 2020 Subaru Ascent has the factory towing package or not. If you are unsure, you will want to contact a local Subaru dealer with your VIN and they can tell you. If you do have that…

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Answer 2

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 3

The correct wiring harness needed will depend on the type of trailer you're wanting to pull. If you're pulling something basic like a small utility trailer and only need a 4 pole trailer connector, the #118790 would be what you need. However,…

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Answer 4

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 5

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 6

According to Blue Ox, it'll take an experienced installer about 4 to 5 hours to complete the installation of their #BX1128 Base Plate Kit on a 2016 Jeep Grand Cherokee. The install isn't what I'd call super-difficult, but the installation…

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Answer 7

The OEM prep package consists of 4 "pucks" in the bed of the truck that will allow you to drop in puck style hitches for easy installation and removal, that gives you a completely clear bed when not in use. The B&W Companion OEM 5th…

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Answer 8

If you just need a 4-pin to 7-pin trailer wiring adapter, then you can use part #C57672. This will plug into the 4-pin trailer connector on your brother's vehicle and give him the 7-pin socket for the trailer. Keep in mind, this will only give…

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Answer 9

Yes, it will work. You'll just need to cut the Lance 6-pin connector out and rewire it into the etrailer Trailer Wiring 7-Way Upgrade Kit w/ Junction Box and RV Style Connector item #e99011. Here are the individual functions of that Lance 6-pin:…

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Answer 10

Even though I cannot comment specifically on the grease you used because I am not familiar with it, I can tell you the best grease for trailer bearings is a a grease with a rating of GC-LB, which just means it is made to withstand very high…

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Answer 11

It sounds like you are speaking of the wires for the brake magnets. If this is correct, you will need to connect one of the wires to the brake controller output wire on your trailer connector and the other wire will need to be grounded to a clean…

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Answer 12

You will have to go with a sliding hitch to allow the trailer to make tight turns. For a trailer 8 feet wide the only bed length that's going to allow 90 degree turns without a slider is a stationary hitch. That being said you have two options.…

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Recommended 7-Way Connector for a 2021 Subaru Ascent

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