Audi A3 Trailer Wiring

Select Vehicle Year

Trailer Wiring

Available Years for Audi A3 Trailer Wiring

2024

2023

2022

2020

2019

2018

2017

2016

2015

2013

2012

2011

2010

2009

2008

2007

2006

Trailer Wiring Harness

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 Adapter Fitguide

Need help to find the correct wiring adapter for your car, truck, or trailer?
Use the Trailer Wiring Adapter Fitguide to easily find the adapter you need.

Trailer Connectors and Adapters

Vehicle Side Connector

Vehicle Side Connectors

Trailer Side Connector

Trailer Side Connector

Plug Only Adapter

Plug Only Adapters

Plug and Lead Adapter

Plug and Lead Adapters

Wire and Wiring Accessories

Jacketed Wire

Jacketed Wire

Bonded Wire

Bonded Wire

Wire Connector

Wire Connectors

Circuit Breaker

Circuit Breakers

Mounting Bracket

Mounting Brackets

Power Inverter

Power Inverters

12V Power Supplies

12V Power Supplies

Dielectric Grease

Dielectric Grease

Wiring Clip and Cover

Wiring Protection and Covers

Wiring and Circuit Tester

Wiring and Circuit Testers

Trailer Junction Box

Trailer Junction Boxes

Battery Charger

Battery Chargers

Tools for Wiring

Battery Accessory

Battery Boxes and Accessories

Trailer Wiring Manufacturers

Curt

Deka

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