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
Search For Custom Fit Volvo S40 AccessoriesSelect A Category Below
Towing
Volvo S40 Trailer Hitch
Volvo S40 Trailer Wiring
Volvo S40 Brake Controller
Volvo S40 Base Plate for Tow Bar
Cargo Control
Volvo S40 Roof Rack
Volvo S40 Trunk Bike Rack
Performance Accessories
Volvo S40 Air Filter
Volvo S40 Transmission Cooler
Volvo S40 Vehicle Lights
Volvo S40 Tire Chains
Volvo S40 Fluid Filters
Volvo S40 Catalytic Converters
Volvo S40 Vehicle Engine Heaters
Volvo S40 Radiator Fan
Volvo S40 Cabin Air Filter
Volvo S40 Lift Assist
Vehicle Trim
Volvo S40 Floor Mats
Volvo S40 Vehicle Covers
Volvo S40 Side Window Vents
Volvo S40 Vehicle Seat Covers
Volvo S40 Windshield Wiper Blades
Volvo S40 Windshield Covers
Volvo S40 Vehicle Air Mattress