Tekonsha 118273 Four Way Trailer Wiring Harness

Description:

The Tekonsha 118273 Four Way Trailer Wiring Harness is used to provide a reliable electrical connection between a tow vehicle and a trailer for brake lights, turn signals, and tail lights. Commonly installed on 2013–2020 Nissan Pathfinder and 2014–2021 Infiniti QX60 vehicles equipped with the factory tow package to enable safe and compliant trailer lighting without modifying the vehicle's original wiring. Automotive technicians, fleet maintenance personnel, and trailer installers use this wiring harness for towing system installation, electrical repairs, vehicle upgrades, and replacement of damaged trailer wiring components.

Applications:

The Tekonsha 118273 is a vehicle-specific T-One® trailer wiring harness designed for plug-and-play installation using the factory tow connectors. The harness includes the required relays and connects directly to the vehicle's existing wiring without cutting or splicing. It is commonly used for towing utility trailers, boat trailers, cargo trailers, campers, and recreational trailers that require standard trailer lighting and, with the factory tow package, supports a 7-way trailer connector for additional towing functions.

Technical Specifications:

• Manufacturer: Tekonsha
• Part Number: 118273
• Product Type: Vehicle-Specific Trailer Wiring Harness (T-One® Connector)
• Connector Type: 7-Way RV Trailer Connector (Factory Tow Package)
• Installation Type: Plug-and-Play (No Cutting or Splicing Required)
• Vehicle Compatibility: 2013–2020 Nissan Pathfinder; 2014–2021 Infiniti QX60 (Factory Tow Package Required)
• Includes: Vehicle-Specific Wiring Harness and Required Relay Kit
• Stop/Turn Light Circuit Capacity: 10 A Maximum
• Tail Light Circuit Capacity: 10 A Maximum
• Backup Light Circuit Capacity: 10 A Maximum
• Power Circuit Capacity: 30 A Maximum
• Trailer Brake Capacity: Up to 3 Axles / 6 Electric Brakes (20 A Maximum)
• Mounting: Connects to Factory Tow Harness and Relay Locations
• Construction: Weather-Resistant Automotive Wiring Harness
• Typical Applications: Utility Trailers, Boat Trailers, Cargo Trailers, Travel Trailers, RVs, and Recreational Towing Systems.

Common Replacements:

• Tekonsha 118670 T-One® Trailer Wiring Harness
• Curt 56281 Vehicle-Specific Trailer Wiring Harness
• Hopkins 40975 Plug-In Trailer Wiring Harness