Troubleshooting Curt Trailer Wiring Harness Installation on 2017 Audi Q5

Question

Question:

I don’t think this is the correct Wiring for my Q5. The wires won’t reach the plugs

asked by: Mark S

0

Expert Reply:

The Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector # C56404 is a confirmed fit for your 2017 Audi Q5 and fits behind both the driver and passenger side rear access panels. I've attached the installation instructions which gives you photos to see the locations. The wires will be long enough when installed correctly. I confirmed this with Curt.

expert reply by: Jason S

0

Answer 1

It sounds like you have a classic ground issue with the Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer part #C56404 on the 2016 Audi Q5. When the wiring harness does not have a good ground connection it will make the functions act…

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Answer 2

In order to tow a trailer with a 2014 Audi Q5 you'll need a trailer hitch, trailer wiring harness, brake controller (if applicable), and ball mount/hitch ball. The Draw-Tite Max-Frame Trailer Hitch Receiver part #75940 is a great option to start…

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Answer 3

Not all trailer hitches have trailer wiring mounts on them like the Draw Tite part #75940 that you referenced. I would even say that most actually do not. Especially on designs like the #75940 where only the hitch opening hangs below the rear bumper.…

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Answer 4

Hi Brian; the reason you aren't seeing an anti-rattle hitch pin for towing is because they're all designed to fit hollow shanks. A ball mount like the #BWTS10035B you were looking at is going to have a solid shank which means the anti-rattle…

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Answer 5

The best lock for the etrailer Adjustable 2-Ball Mount item #e66PR is our Hitch Receiver Lock item #e98881. This lock fits both 2" and 2-1/2" receivers. It has the option to be keyed alike as well.

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Answer 6

Yes we have trailer wiring harnesses that fit your 2014 Audi Q5 like the Curt #C56404 which installs easily by plugging in line with the taillight wiring of the vehicle.

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Answer 7

Thanks for reaching out, Jack! What I recommend using is the Curt Adapter #C57672 and securing it to your vehicle with the No-Drill Bracket #18136. This gives you the ability to seamlessly use either the 4-Way or 7-Way connection but doesn't…

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Answer 8

While we do have a trailer wiring harness for your 2014 Audi Q5 Premium, I checked with Curt and the part you mentioned is not a fit. Instead, the correct wiring harness for your Audi is the following: - Curt T-Connector Vehicle Wiring Harness with…

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Answer 9

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 10

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 11

I would be happy to help you. For a Draw-Tite Hitch on your 2016 Audi SQ5 you will want item #75940. This hitch is custom fit and bolts directly to your Audi's frame with included hardware. To add a brake controller you will need two separate…

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Answer 12

In most cases, you can just simply add brakes to the existing axle and you don't need an entire new axle. That said, this is all based on the axle capacity and I don't have any way to look this up for you. If you have a 3,500 lb axle for…

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Troubleshooting Curt Trailer Wiring Harness Installation on 2017 Audi Q5

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