Curt Manufacturing 57041 7-Pole Round to 4-Flat Trailer Adapter

This adapter lets you plug a 4-flat trailer into a vehicle that has a 7-pole round socket — simple, reliable, and no wiring splices needed.

🔧 Key Features:

• 🔌 7-pin round (vehicle side) input

• 🚚 4-flat (trailer side) output for tail lights, turn signals, and brakes

• 🧰 Plug-and-play design — just connect, no cutting or splicing

• 🛡️ Durable plastic housing — built to last under towing use

• 🔄 Universal compatibility — works with most standard 7-pin round sockets