Trailer-&-Towing-Accessories > Towing-Electrical > Trailer-Wire-Connections > Trailer-Connector-Adapters

6-Way Round to 7-Way RV Blade Socket Adapter

6-way to 7-Way socket

This adapter plugs into a vehicle's 6-way, round-pin receptacle to adapt it for use with a trailer-end, 7-way, RV-style plug. The round, floating, solid brass pins ensure minimum voltage drop while making for easy alignment and maximum contact.


  • Spring-loaded, hinged door to protect from dirt and moisture.
  • High-impact, ABS thermoplastic constructed socket.
  • Glass-filled, nylon plug.
  • Male 6-way, round pin-style connector.
  • Female 7-way, blade-style connector.
Item Description Price
1+ I Ext. Price I 50+ Ext. Price I I 100+ Ext. Price I
Qty in
Package 		In Stock Add to Cart
73018 Pollak 12-725, Adapter Harness - 6-Way Round Pin Plug to 7-Way RV Blade Socket (1 MIN)
19.53700 19.54 I 16.53200 16.53 I 15.80200 15.80
1 EA ✓

CURT Electrical Adapter (6-Way Round Vehicle to 7-Way RV Blade Trailer)

6-Way Round to 7-Way RV Blade Socket

Electrical Adapter (6-Way Round Vehicle to 7-Way RV Blade Trailer)


  • Adapts 6-way round (center pin taillights) to fit 7-way RV blade trailer plugs
  • Simple plug-and-play design eliminates the need for cutting or splicing
  • 7-way connects tail, brake, reverse, turn signals, brakes and auxiliary power
  • Spring-loaded dust cover keeps connector clean when not in use
  • Slit loom keeps wires contained and well protected
  • All CURT items have a 15% restocking fee
Item Description Price Qty in
Package 		In Stock Add to Cart
CURT57667 CURT 57667, 6-Way Round Vehicle-Side to 7-Way RV Blade Trailer Wiring Adapter (1 MIN) 26.64 1 EA Call
Prop65 Warning