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529004 Trailer Light Adapter for Truck, 7 Pin to 4 Pin Trailer Harness with Reverse & 12V Wire Quick Connect Adapter Compatible with Truck USCAR 7 Pin Connector.

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$35.63

$ 16 .99 $16.99

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About this item

  • COMPATIBLE:USCAR 7 Pin to 4 Pin Trailer Connector Wiring Harness with Reverse & 12V Wire is compatible with most trucks equipped with factory 7-pin connector, and is suitable for most trucks with standard USCAR socket, so please make sure your vehicle has USCAR socket connector.
  • STANDARD CONNECTOR:Quick Connect Adapter for Tailgate Light Bar LED Redline Amber Turn Signal Reverse Full Function, used to connect trailer taillights, brake lights and turn signals. USCAR 7 Pin to 4 Pin trailer wiring is popular on a wide variety of trailers, adding versatile towing options for your vehicle.
  • EASY TO INSTALL:Plug and Play, Redline Easy Connect Tailgate Light Harness with Plug'n'Play functionality installs on your truck without tools in seconds, No cutting,No splicing,This trailer wiring harness is into an existing USCAR connection on your vehicle and equips it with a standard 4-pin trailer wiring connector for plugging in and towing a trailer.
  • DURABLE CONSTRUCTION:For long-lasting use and a reliable connection, the housing of the Quick Connect Adapter vehicle wiring socket is made from durable black molded rubber that will never rust or corrode.
  • USCAR-SPECIFIC:Quick Connect Adapter is designed for select vehicles with a standard USCAR socket, ensuring the easiest possible installation and the most reliable wiring connection. *Note: Truck with trailer control module and tow package cannot recognize LED light bar, Tailgate Light Bar Adapter enable the vehicle to recognize LED trailer lights.



Product Description

529004 7 Pin To 4 Pin Trailer Harness with Reverse & 12V Wire

Quick Connect Harness for Blade Light Bar Fits Chevy Silverado/Sierra 2007-2018, #529004

  • Material: The 2 way 529004 adaptability blade quick connect harness is outsourcing with high quality ABS plastic,Tight-fitting waterproof rubber cap for 4-pole flat trailer connector shielding sockets from rain, dirt, or dust.
  • Application: Allow for a seamless and virtually hidden install for all Redline LED tailgates while still allowing any round 7-pin trailer accessory to be connected via the split 7-pin output connection.
  • Connection: Weather pack connectors included which allows add more options to tie your trailer's electrical system into the vehicle's lighting projects ( Black wire=12V Power; Red wire=Reverse).
  • Universal: This dual way 4 way trailer adapter plug works fine with any USCAR 7-way plug is Ideal for most trucks and trailers. Compatible with GMC Buick Dodge Ford Chevy that equip with USCAR 7 pin.
  • Warm tips: Please ensure your vehicle with USCAR socket connector; Crimping tool may require for proper soldering; The spring-loaded dust cover for 7-way connector is not include.

Features: Plug and play Designed for USCAR connector harness Dust cover and weather pack connectors Easy grab for back up light power at the connector High quality: Nickel-plated copper electrical terminals and premium copper, ensure you get high quality as expected. Reliable connection and durable construction. Made LED lightbar wire up easy in minutes.


Dominic A.
Reviewed in the United States on May 16, 2025
Used this to hook up a light bar to with reverse and it worked as expected
adam h.
Reviewed in the United States on March 24, 2025
matched up well, fit good n works good
SharingOpinions
Reviewed in the United States on April 5, 2025
Handy and super value. Fit perfect and worked perfect.
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