VINGVO 4 Pin Trailer Wiring Harness Compatible with Select Full Size

Specification: Item Type: Trailer Wiring Harness Material: Metal, Rubber Reference Part Number: 55540, 118392, 41345 Application: Add multiple towing options for your vehicle, 4 way trailer wiring harness can be used to connect trailer tail lights, brake signal lights, and turn signal lights. Fitment: Replacement for Express 1500 2003-2014 Replacement for Express 2500 2003-2023 Replacement for Express 3500 2003-2023 Replacement for 1500 2003-2014 Replacement for 2500 2003-2023 Replacement for 3500 2003-2023 How to Use: Plug and play. packing list: 1 x Wire Harness 1 x Screw 5 x Cable Ties 1 x Manual

• 【Lighting Function】This 4 pin trailer wiring harness connects tail lights, brake lights, and turn signals so a trailer remains visible during nighttime towing or low visibility. It helps drivers of utility trailers, campers, and communicate road actions clearly.
• 【Standard Connection】The 4 way trailer light wiring kit provides a straightforward connection for tail, brake, and turn signal circuits. Use it when replacing a worn trailer harness on road trailers, boat trailers, or cargo carriers to restore clear lighting operation.
• 【Plug In Replacement】Designed for a direct repair or wiring upgrade, this trailer light wiring harness uses a standard 4 pin connector for a practical setup. It suits DIY vehicle owners and towing operators who need to service lighting without adding complex wiring steps.
• 【Insulated Wiring】The harness uses insulated wires with reinforced outer jackets to help resist abrasion and heat exposure during transport. It is suited to work vehicles, campers, and utility trailers used in changing weather and demanding towing conditions.
• 【Vehicle Fit】This 41125 trailer wiring harness is a direct replacement for select full size from model years 2003 to 2023. It also cross references 55540, 118392, and 41345 for buyers checking replacement numbers before towing repairs.