Make installing your trailer wiring harness as easy as possible with a custom fit wiring harness. Trailer wiring from Draw-Tite, Curt, Pollak, Tow Ready, Bosal, and Hopkins eliminates or reduces the need to cut and splice wires. It also helps to protect your vehicle's sensitive electronics from mis-wired trailers.
Choose the year of your vehicle to the left to find a custom fit trailer wiring harness.
Wiring Adapter Fitguide
Trailer Wiring Manufacturers
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Towing
Audi A3 Trailer Hitch
Audi A3 Trailer Wiring
Audi A3 Brake Controller
Audi A3 Base Plate for Tow Bar
Cargo Control
Audi A3 Roof Rack
Audi A3 Trunk Bike Rack
Performance Accessories
Audi A3 Air Filter
Audi A3 Exhaust
Audi A3 Suspension Enhancement
Audi A3 Vehicle Lights
Audi A3 Tire Chains
Audi A3 Fluid Filters
Audi A3 Catalytic Converters
Audi A3 Vehicle Engine Heaters
Audi A3 Cabin Air Filter
Audi A3 Lift Assist
Vehicle Trim
Audi A3 Floor Mats
Audi A3 Vehicle Covers
Audi A3 Side Window Vents
Audi A3 Vehicle Seat Covers
Audi A3 Replacement Mirrors
Audi A3 Windshield Wiper Blades
Audi A3 Windshield Covers
Audi A3 Vehicle Air Mattress