How To Add Both 4 and 7-Way Trailer Connection Points On a 2020 Toyota Sienna

Question

Question:

Hello, I need to install a wiring harness to pull a small trailer on my 2020 Toyota Sienna LE AWD minivan. Looking for one of the options: 1: wiring that has both 4 way and 7 way trailer wiring harness 2: only need 7-way trailer wiring harness. I already have the Draw-Tite Max-Frame Trailer Hitch Receiver - Custom Fit - Class III - 2inch # 76112 installed on my van.

asked by: Roy

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Expert Reply:

The Tekonsha OEM Replacement Vehicle Wiring Harness part # TK87FR is the only plug-in 7-way trailer wiring harness for a 2020 Toyota Sienna so this is what I recommend. It has a 7-way only but you can switch out the plug to the Hopkins Endurance Multi-Tow part # HM40950 for both 4 and 7-way. Don't forget the Mounting Bracket and Installation Hardware part # PK12711U so you can secure it.

expert reply by: Conner L

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Answer 1

It seems that you have the wrong wiring kit. From the 2015 model year up to the 2021, the Tekonsha #118498 is only a fit for SE models of the Toyota Sienna which used different taillight assemblies than the other models. For models other than the SE,…

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Answer 2

Yes, the Tekonsha 4-way kit part #118648 that you referenced is the correct trailer wiring kit for your 2020 Toyota Sienna. This installs by plugging inline with the taillights like you can see in the attached install video.

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Answer 3

Trailer wiring harness #118648 fits the 2015 to 2017 Toyota Sienna but not your 2006 model. For your 2006 Toyota Sienna the comparable trailer wiring harness is #118304. This is not a powered harness though so if you want one that does both fit your…

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Answer 4

The first thing you will need to get a 7-way on your 2022 Toyota Sienna is to wire a 4-way adapter like the T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector #TK69FR. There is no plug in play 7-way for your vehicle, you have to first…

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Answer 5

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 6

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 7

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 8

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 9

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 10

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 11

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 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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How To Add Both 4 and 7-Way Trailer Connection Points On a 2020 Toyota Sienna

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