Install Guide for Trailer Wiring for 2015 Audi Q7

Question

Question:

Is the CURT C59236 wiring package SPECIFIC to the 2015 Audi Q7 premium plus car? If not, can I purchase a wiring diagram for this car from eTrailers? OR should I simply purchase a factory service manual? Happy to chat with you, Thanks, Bill

asked by: William D

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Expert Reply:

Hey William, the Curt trailer wiring harness part # C59236 is a universal style of trailer wiring harness that requires splicing into the taillight circuits of your 2015 Audi Q7. The best resource we have would be to have you check out the attached install video for this kit on a similar Q7 that shows you exactly where we found the correct wires. You'll have to scroll down to the help info section that might be below some reviews etc.

expert reply by: Jameson C

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Answer 1

Under nearly all circumstances if a vehicle came from the factory with a trailer hitch it would have the factory tow package. But typically if the vehicle does not have any trailer wiring then that would mean it may not have it. Otherwise you can…

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Answer 2

It sounds like you're referring to the Tekonsha #119250KIT for your 2014 Audi Q7 and there is an installation video on a 2018 Audi Q7 of this linked to this answer. You can bypass connecting the 12v power supply instead to a fuse panel located in…

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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

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 6

Hey Jonathon thank you so much for all of that additional information! To haul your bikes behind your class C Sprinter motorhome, while flat towing your Mini, I recommend the Hollywood Racks RV Rider Bike Rack item #HLY64FR and the Roadmaster Dual…

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Answer 7

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 8

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 9

Hey Ricardo! Yes, the Curt Trailer Hitch Receiver #C82RJ is the hitch Curt is working on for the new 2027 Telluride. This is a pre-order since Curt hasn't finished the design. It does not include wiring. The wiring harness for the 2027 is also up…

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Answer 10

Hey George, for your 2026 Toyota RAV4 Hybrid we have the Curt hitch part #C34FR62ZY as a confirmed fit but it's on a little bit of a backorder at the moment which is why you don't see any hitch options in our fitguide. The hitches from…

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Answer 11

The main difference between the Curt Trailer Hitch Receiver part #C13416 and the EcoHitch Hidden Trailer Hitch Receiver part #EH97FR is that the EcoHitch has a completely hidden cross tube whereas the Curt cross tube will be visible from the rear of…

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Answer 12

Hi David! There are quite a few hitches offered for your 2026 Honda Odyssey, so I definitely understand wanting to know the differences. There are basically three styles available for you and I have them broken out below: Exposed Crosstube: etrailer…

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Install Guide for Trailer Wiring for 2015 Audi Q7

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