Does the T1 Trailer Wiring Harness # 118498 Have to be Connected Directly to the Battery

Question

Question:

The instruction have a wire going to the battery is there a reason why you cannot take the power from the rear 12v receptical? I was think of using the male plug and plug in the hitch only when I use it.

asked by: Stan

0

Expert Reply:

The T1 trailer connector, # 118489, was only tested when connected to the positive terminal of the battery. Connecting it anywhere else can void the warranty of the harness. There are other problems that could occur since the 12 volt power supply was not designed to power trailer lights. If there was a short in the trailer wiring, that could damage the electrical system of the vehicle. Having it connected to the battery isolates the vehicles sensitive electronics.

I have included a link to an FAQ article on tips for routing the power wire that you may find helpful.

expert reply by: Michael H

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Answer 1

Thank you for your recent purchase of hitch receiver and wiring harness from etrailer. The Curt Wiring Harness #56146KIT is a correct fit for your 2013 Sienna. Thank you for submitting your two photos. This trailer wiring harness installs primarily…

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Answer 2

You do need to make a direct wired battery connection for a powered wiring harness like #118498 because the small accessory 12V convenience outlets provided in vehicle do not have a high enough current rating to power the harness and all of the…

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Answer 3

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 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

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 6

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 7

Class I and Class II hitches both have a 1-1/4 inch receiver opening. The difference is that a Class I hitch has a lower tongue weight rating, usually 200 pounds and a lower towing rating, usually 2,000 pounds. A Class II hitch usually has a tongue…

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Answer 8

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 9

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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Answer 10

I definitely understand being a bit overwhelmed by the amount of options in front of you, however I can definitely help with differentiating the trailer hitches for your 2019 Subaru Outback Wagon along with explaining my personal recommendation,…

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Answer 11

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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Answer 12

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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Does the T1 Trailer Wiring Harness # 118498 Have to be Connected Directly to the Battery

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