The Curt 57661 adapts a 7-way RV blade vehicle socket to fit a 6-way round trailer plug. Simple plug-and-play design eliminates the need for cutting or splicing wires. The center pin is designated for brake lights, ensuring electric trailer brakes continue to function through the adapter.

• Converts 7-way RV blade socket to 6-way round trailer plug
• 6-way connects tail lights, brake lights, turn signals, electric brakes, and auxiliary power
• Center pin designated for brake lights
• No tools or wiring required - plug and play installation