Comparing Wiring Harnesses Available for the 2020 Honda Odyssey

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Question:

There are a few different wiring harnesses available for my 2020 Honda Odyssey, what is the difference between them all and which one should I use?

asked by: Randi N

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Expert Reply:

I can see why this might be confusing and there are some differences between all 3 of these wiring harnesses. I'll start off by explaining the differences between the Tekonsha # 118781 and # 118753 wiring harnesses. The main difference is that the # 118753 is designed for vehicles that do not have the towing fuses already in place.

In order to determine which one you can use on your 2020 Honda Odyssey you'll need to check the rear interior fuse box, which is located on the left side of cargo area to see if fuse locations #10, #11 and #12 are pinned (terminals present). If so, you can use # 118781. Otherwise, if the fuse locations are not fully pinned, you will need to use # 118753.

The Curt # C56382 is going to be comparable to the Tekonsha # 118781, but the Tekonsha # 118781 does have some advantages over the Curt # C56382. First, the converter boxes on the Tekonsha wiring harnesses are traditionally a bit more reliable and in turn have shown to last longer than the Curt boxes. Additionally, the Tekonsha harness does feature a higher amp rating (max 5 amps for stop/turn circuits and 7.5 amps for tail lights compared to 3 amps and 6 amps respectively on the Curt), which just offers a stronger system that's able to take a bit more power.

As long as your 2020 Honda Odyssey has the towing fuses already in place, the # 118781 is going to be a much better choice in terms of the amp rating and the reliability of the converter box on the system.

expert reply by: Erik B

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Answer 1

Both the #118781 and the #118753 are indeed confirmed to fit the 2018-2020 Honda Odyssey, both use T-connectors to plug into your tail light connectors, and both are rated at 5 amps for the stop/turn circuit and 7.5 amps for the tail light circuit.…

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Answer 2

There are three trailer wiring harness options for a 2020 Honda Odyssey, the T-One Vehicle Wiring Harness part #118781, the T-One Vehicle Wiring Harness part #118753, and the Curt T-Connector Vehicle Wiring Harness part #C56382. The T-One Vehicle…

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Answer 3

We have the perfect trailer wiring harness for your 2023 Honda Odyssey! The T-One Vehicle Wiring Harness #118781 will provide you with a 4-flat connector and make it to where your trailer's stop, turn, and taillights will mirror your…

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Answer 4

The big difference between the two Tekonsha trailer wiring harnesses that fit your 2019 Honda Odyssey is how they draw power to activate the trailer lights. The #118753 has a wire that runs up to the vehicle battery which is used to power all of the…

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Answer 5

I'd recommend going with the Malone AirFlow2, part #MPG216 to provide crossbars. The AirFlow 2 is an inexpensive option that's highly rated by our customers. I've also linked to install and demonstration videos.

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Answer 6

The etrailer Raised Side Rails for Roof Rack - Black Powder Coated Steel #e99034 are a great option for your 2019 Honda Odyssey. Next I recommend adding the Malone AirFlow2 Roof Rack - Aero Crossbars - Raised, Factory Side Rails - Aluminum - 58"…

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Answer 7

We have a really nice selection of aftermarket trailer hitches available that are confirmed to fit your 2019 Honda Odyssey. The biggest difference between an OEM hitch and most aftermarket units is that a factory hitch will typically be a bit more…

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Answer 8

Powered trailer wiring harnesses are not tested or rated for any alternate installation method. Installing it by attaching the power wire to a power outlet 12 volt wire will void the warranty. Also many times those outlets are not the only component…

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Answer 9

I'm sorry to hear that. As for the questions you have we can get some good solutions for you. For hitches the etrailer Trailer Hitch Receiver part #e98855 is a good choice. It has a 525 pound tongue weight rating and a 3500 lb. gross trailer…

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Answer 10

The only fuse that gets installed for trailer wiring harness #118753 for the 2018 Honda Odyssey is the one included with the kit for the power wire. The only thing getting plugged in on the right (passenger's side) is the set of connectors for…

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Answer 11

There isn't a plug and play option for a 7-way available, but we have the parts you'd need to complete the installation. You'll need to begin by installing a 4-pole trailer connector. There are two iterations of a 4-pole harness available…

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Answer 12

It is possible to use a 50 Amp transfer switch with a 30 amp setup since you plan on upgrading in the future however, the Furrion Transfer 50 Amp Switch is made for 50 Amp setups. I recommend to use Progressive Dynamics 50 Amp Transfer Switch part…

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Comparing Wiring Harnesses Available for the 2020 Honda Odyssey

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