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    • (34 reviews)
      # sp7830
      Towing Wiring Harness by CURT®. This provides all you need to connect a trailer to the tow vehicle. Generous length allows plenty of wire. Female end is for tow vehicle, male end for trailer. You can cut it to appropriate length to...
      Custom fitAmple length
      $9.43 - $76.29
    • (10 reviews)
      # sp936
      Replacement OEM Harness by Tow Ready®. Wire up your tow vehicle and trailer with whatever it takes to get your trailer lights on, the electric brakes slowing down, and the trailer battery charging. From simple wiring connectors, to...
      Plug and Play T-harnesses to connect to vehicle wiringTrailer wiring connectors, for both truck and trailer
      $10.73 - $49.99
    • (1 review)
      # sp934
      5th Wheel Harness by Bargman®. Wire up your tow vehicle and trailer with whatever it takes to get your trailer lights on, the electric brakes slowing down, and the trailer battery charging. From simple wiring connectors, to...
      Plug and Play T-harnesses to connect to vehicle wiringTrailer wiring connectors, for both truck and trailer
      $43.83 - $77.83
    • (7 reviews)
      # sp2849
      Towing Wiring Harnesses by Hopkins®. Unplug your vehicle's factory wiring harness and plug in a Hopkins vehicle wiring harness. That's how easy trailer wiring is with a Plug-In-Simple! wiring kit, featuring Exact OEM Fit connectors...
      OEM connectors exactly match a tow vehicleEnsure a perfect, weather-tight fit
      $12.18 - $91.49
    • (4 reviews)
      # sp2847
      Multi-Tow™ Towing Wiring Kit by Hopkins®. Unplug your vehicle's factory wiring harness and plug in a Hopkins vehicle wiring harness. That's how easy trailer wiring is with a Plug-In-Simple! wiring kit, featuring Exact OEM Fit...
      Provides multiple towing options from one connectorPlug-In Simple®: No cutting, No splicing - Saves time
      $22.88 - $35.88
    • (0 reviews)
      # sp2848
      5th Wheel Harness by Hopkins®. Unplug your vehicle's factory wiring harness and plug in a Hopkins vehicle wiring harness. That's how easy trailer wiring is with a Plug-In-Simple! wiring kit, featuring Exact OEM Fit connectors for a...
      Plug-In Simple!® 7 Blade with reinforced 90° angle installs easily in hard to reach placesPlugs directly into OEM wiring system
      $59.29 - $67.36
    • (0 reviews)
      # sp11689
      GM Original Equipment™ Trailer Brake Continue Relay Assembly by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $35.80
    • (0 reviews)
      # sp10415
      GM Original Equipment™ Trailer Tow Harness Connector by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $30.79 - $146.75
    • (2 reviews)
      # sp22605
      Trailer T-Connector Harness by Westin®. T-Connectors wire directly into your vehicle's factory tail light to allow you to connect a trailer lighting and wiring system directly into your vehicle.
      2 Wire And 3 Wire Systems AvailableInstalls Cleanly Into The Vehicle's Taillights
      $11.43 - $113.30
    • (0 reviews)
      # sp927
      5th Wheel Harness by Tow Ready®. Wire up your tow vehicle and trailer with whatever it takes to get your trailer lights on, the electric brakes slowing down, and the trailer battery charging. From simple wiring connectors, to...
      Plug and Play T-harnesses to connect to vehicle wiringTrailer wiring connectors, for both truck and trailer
      $52.20 - $80.70
    • (6 reviews)
      # sp24027
      T-One Connector by Tekonsha®. Wire up your tow vehicle and trailer with whatever it takes to get your trailer lights on, the electric brakes slowing down, and the trailer battery charging. From simple wiring connectors, to...
      Plug and Play T-harnesses to connect to vehicle wiringTrailer wiring connectors, for both truck and trailer
      $10.73 - $95.33
    • (0 reviews)
      # sp27386
      Fuse Bypass by Blue Ox®. This superior fuse bypass switch provides a safe alternative to the constant removal and reinstallation of the fuse when changing from the towed mode to the driving mode. Once installed, it allows to...
      Disconnects your vehicle's fuse with the flip to prep your vehicle to be towedBypasses towed car's fuse to tow without draining battery
      $55.98 - $176.51
    • (0 reviews)
      # sp25447
      Trailer Hitch Electrical Connector Plugs by Dorman®. Restore the brake lights and turn signal on your trailer to proper operation with Dorman’s Trailer Hitch Plug. The Plug is constructed from durable materials to protect the...
      Hitch Plug cap flips over to prevent corrosion and other damageDirect replacement for a proper fit
      $21.52 - $21.60
    • (0 reviews)
      # sp67129
      5th Wheel Trailer Harness Kit by Merchant Automotive®. Easy installation, no cutting or splicing of factory wiring required, all factory connections for years of trouble free service.
      High quality at an affordable priceExpertly made from premium materials
      $124.69
    • (1 review)
      # sp39966
      Adapter by Hopkins®. Specially designed for horse trailers or utility/cargo trailers fitted with electric brakes, this awesome cable provides such functions as left/right turn, tail light, auxiliary, ground, and electric brake. The...
      Durable construction to last a long timeHeavily insulated wires with jacketed sleeving
      $5.98 - $53.59




    GMC Trailer Hitch Wiring Reviews

    Average rating:  5  5 - 7 reviews
    5 of 5
    So Easy
    This made installing my brake controller so easy! It took only about 10 minutes with this plug and saved me over $60.00. I called around to different garages and they wanted any where from $60.00 to $180.00 to install my brake controller. With this plug I was able to do it myself and from start to finish I'm sure it was no more than 10 minutes.
    GPosted by George (Jamul, CA) / September 10, 2015
    2003 GMC Yukon Denali
    Was this review helpful for you? Yes
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