How To Install a 5-Way Trailer Wiring Harness On a 2012 Audi Q5

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Question:

Hi, I need to add 5 pin trailer wiring to my Audi Q5. I see most of the kits are 4 pin but it is possible to piggyback the 5th pin. What kits would you recommend? I already have the trailer hitch.

asked by: Bob

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Expert Reply:

In order to install a 5-way trailer wiring harness on a 2012 Audi Q5 you'll need to start with a 4-way as that's all that is available, the ZCI Circuit Protected Vehicle Wiring Harness part # 119250KIT for no splicing or Curt Powered Tail Light Converter part # C59236 splicing required is what I recommend. Then, you can adapt either of these to a 5-way with the Tow Ready 4 Pole to 5 Pole Trailer Wiring Adapter part # 20036.

expert reply by: Conner L

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Answer 1

You should be getting 12 volts from each function when that function is active. The amperage will be less and can vary between functions. You can use a multimeter like #PT89ZR to check this. If you have a specific part number you want me to check…

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Answer 2

It sounds like you have checked everything following your #C59236. A single harness failure happens sometimes but two in a row is not something we really see. The only thing I can think of is checking the power source. Make sure you are in fact…

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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

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 6

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 7

As far as wiring for the 2024 Toyota Grand Highlander, we do have the Curt #C59236 available which is more of a universal hardwire harness. Unfortunately there are not any plug-and-play options that have been confirmed to fit as of yet (October 4,…

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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

Lance does have a proprietary plug, but many customers see a standard 6-way or 7-way round and notice it doesn't fit their factory 7-way as well. I've attached an article to help if you have one of the 7-way or 6-way round connectors which we…

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Answer 10

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 11

Yes, it is! Honda and other manufacture's like to leave the fuses out of new vehicles that do not come with a functional towing package to save on costs. You can verify if you're missing the fuses by checking your fuse box but I am pretty…

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Answer 12

Since your 2024 Toyota Grand Highlander doesn't come with the factory tow package you need the Curt T-Connector Vehicle Wiring Harness #C79VV. The module plugs into that 10-Pin connector you found under the cup holder and then the 4-Way harness…

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How To Install a 5-Way Trailer Wiring Harness On a 2012 Audi Q5

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