CURT® 51420 - Brake Control Harness (Without Quick Plug)

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CURT® - Brake Control Harness without Quick PlugCURT® - Brake Control Harness without Quick PlugCURT® - Brake Control Harness without Quick Plug Installation InstructionsCURT® - Inside IntroductionCURT Authorized Dealer
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CURT Accessories

Brake Control Harness (51420) by CURT®. Wiring adapter to connect OEM brake controller wiring on vehicle to electric brake controller. 2' wire, protective sleeve.

CURT Towing 101CURT - F.A.QCURT - About


  • Connects existing vehicle trailer wiring to aftermarket trailer brake controller
  • Only 4 wires
  • Plugs directly into vehicle wiring harness
  • Wires 2' long, may be trimmed to suit
  • Curt products meet the ISO/TS 16949 standard

Use this connector to attach your brake controller to the vehicle’s brake wiring harness under the dash. Mount the brake controller under the dash. Connect the four wires to the brake controller: one for power, one for ground, one for the brake signal from the vehicle, and one for the output of the controller to the trailer with butt crimp connectors (not included) Plug the harness into the vehicle harness under the left-hand dashboard, and your trailer brake controller is connected.

CURT Manufacturing has been a leader and innovator in the trailering industry since 1993. CURT markets a broad range of trailer hitches, towing systems and related accessories. CURT is "The First Name in Towing Products" for automobile and truck hitches, as well as RV and commercial towing systems. Products are marketed through retailers, distributors, installers, and e-tailers across the U.S. and Canada. CURT employs almost 350 associates, primarily at its manufacturing and headquarters in Eau Claire, Wisconsin. CURT operates 10 regional warehouses, each carrying over 2,500 items and has been twice named a Wisconsin "Manufacturer of the Year".

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Vehicle Fitment

This part is compatible with 15 vehicle(s)
Year Make Model Fitment Notes:
2011 Buick Enclave
2011 Chevy Traverse
2011 GMC Acadia
2010 Buick Enclave
2010 Chevy Traverse
2010 GMC Acadia
2009 Buick Enclave
2009 Chevy Traverse
2009 GMC Acadia
2009 Saturn Outlook
2008 Buick Enclave
2008 GMC Acadia
2008 Saturn Outlook
2007 GMC Acadia
2007 Saturn Outlook
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CURT® - Brake Control Harness without Quick PlugCURT® 51420 - Brake Control Harness (Without Quick...    
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