Differences in 118648 and 118498 Trailer Taillight Wiring Harnesses for 2017 Toyota Sienna

Question

Question:

Why do you recommend the wiring harness 118648 over the recommended. Harness # 118498. There’s an unexplained $30 difference.

asked by: Grady

1

Helpful Expert Reply:

The difference between the # 118648 and the # 118498 is the taillight assemblies on the SE model are different, they use different connectors. The 2017 Toyota Sienna SE would use the # 118498 while all other models, including your XLE would use the # 118648.

If you click the provided link, you can see an install video for the # 118648.

expert reply by: Mike L

1

Answer 1

For your 2017 Toyota Sienna XLE, I recommend the Tekonsha T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector #118648. This harness plugs into your Toyota Sienna's wiring harness, which is located behind the driver's-side…

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Answer 2

The difference between part #118648 and part #118498 is that part #118498 is designed for the SE model and part #118648 is designed to work with Siennas that are not the SE model. Since you came from the non-SE model the trailer wiring harness that…

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Answer 3

The best trailer hitch for your 2018 Toyota Sienna is the etrailer.com Class III Trailer Hitch Receiver #E98853 because of its concealed crosstube design where only the 2 inch receiver is visible, the unique matte black finish that provides a…

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Answer 4

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…

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Answer 5

Not all vehicles can handle the additional amperage draw of the trailer taillights on the vehicle taillight circuits. Those vehicles need setup that draws power from the battery. Some vehicles have higher rated circuits that can handle this, and…

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Answer 6

The T-One Vehicle Wiring Harness part #118648 which is a fit for your 2017 Toyota Sienna will need to be powered directly from the vehicle's battery. If you choose to use the rear 12 volt auxiliary power which is not what I recommend then you…

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Answer 7

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 8

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 9

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 10

Yes, we do. To add a hitch to your 2024 Toyota Grand Highlander, I recommend the Curt Trailer Hitch item #C26VV. This hitch is custom fit and bolts to your Toyota with included hardware. This is a class III hitch with a 2" receiver. It has a…

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Answer 11

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 12

Yep, so long as your 2024 Subaru Crosstrek Wilderness is not a hybrid both the Curt and etrailer hitches will fit: - Curt Trailer Hitch Receiver #C13382 - etrailer Trailer Hitch Receiver #e98912 The only difference besides price is the finish; the…

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Differences in 118648 and 118498 Trailer Taillight Wiring Harnesses for 2017 Toyota Sienna

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