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Recommended Trailer Wiring Harness for 2013 Audi Q7


Hi, I have a 2013 Audi Q7, which harness will work for me? Thanks.


Expert Reply:

The trailer wiring harness I recommend for 2013 Audi Q7 is the ZCI Circuit Protected Vehicle Wiring Harness w/ 4-Pole Flat Trailer Connector and Installation Kit # 119250KIT which installs without splicing into existing wire, it also includes a circuit tester. The reason you must use this harness is because the Audi Q7 has a pulse width modulation feature that not all harnesses can decipher.

The Upgraded Modulite Vehicle Wiring Harness with 4 Pole Trailer Connector part # 119147 won't work.

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