Wiring Adapters & Extensions

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  1. Curt 55415 OEM 7-Way Twist RV Adapter Replacement
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    $13.00
  2. Curt 56415 OEM 7-Way Twist RV Adapter Replacement
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    $14.93
  3. Curt 56229 OEM 7-Way Plug Replacement, USCAR Socket with 24" Wires (Vehicle Side)
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    Curt 56229 OEM 7-Way Plug Replacement, USCAR Socket with 24" Wires (Vehicle Side) Install Time: 30 min - Availability: Ship or Pick up at Miami Store
    • Replaces damaged or missing USCAR vehicle harnesses
    • Retrofits weatherproof USCAR-type 7-way to vehicles not equipped by using CURT part numbers 55415, 55515, 55664, 55774, 56514, 56515 or 57101.
    $17.00
  4. Curt 57185 4-Way Flat Adapter to 7-Way RV, Steel
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    $22.51
  5. Curt 57020 OEM  7-Way Round & 4- Way flat connectors w/o Bracket
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    $27.99
  6. Curt 57300 Mercedes Sprintet Factory Harness Adapter to 7-way OEM
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    Curt 57300 Mercedes Sprintet Factory Harness Adapter to 7-way OEM Install Time: 5 min - Availability: Ship or Pick up at Miami Store
    • 8-Prong Factory Harness Adapter (Rectangular 8-Prong to USCAR Socket)
    • Adapts 8-prong harness applications to fit USCAR replacement plugs
    • Fits rectangular 8-prong on Chrysler, Dodge, Freightliner, Jeep and Mitsubishi
    • Simple plug-and-play design eliminates the need for cutting or splicing
    • Slit loom keeps wires contained and well protected
    $29.95
  7. Curt 56476 4-way to 7-way OEM Converter Adapter
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    $44.95
  8. Curt 56080 5th Wheel/Gooseneck 7-Way Rv Extension
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    $55.47
  9. Curt 57284 8' RV Dinghy Adapter 7-Way to 7-way Round
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    Curt 57284 8' RV Dinghy Adapter 7-Way to 7-way Round Availability: Shipping Required
    • Connects 7-way RV blade outlets between dinghy vehicle and RV
    • Ideal for connecting motorhome to dinghy vehicle for flat towing
    • Includes 7-way RV blade socket for front of dinghy vehicle (requires USCAR)
    • UV-resistant coiled cable extends up to 8' without scraping the ground
    • Simple plug-and-play design eliminates the need for cutting or splicing
    • 7-way connects tail, brake, reverse, turn signals, brakes and auxiliary power
    $79.95
  10. Curt 56070 5th Wheel/Gooseneck Custom Wiring Harness, 7' Foot Long Extension (Adds 7-Way RV Blade to Truck Bed)
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    $86.95
  11. 7-Way OEM Upgrade to Existing 4-Way w/ Battery Cable, MH57015-B
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    7-Way OEM Upgrade to Existing 4-Way w/ Battery Cable, MH57015-B Availability: Shipping Required
    • Plugs into Existing 4-Way flat connections
    • Provide 4-way and 7-way trailer wiring connectors with 12 Volt Cable
    • 4-way flat output connects tail lights, brake lights and turn signals
    • 7-way RV blade socket adds reverse lights, electric brakes and auxiliary power
    • Comes with a mounting bracket 
    • Part Number: 57016,57015,56476
    $93.84
  12. 7-Way OEM T-Connect Extension for Gooseneck/5th Wheel in bed, Chevy Silverado New Body, MH56070-INBCHEVY
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    7-Way OEM T-Connect Extension for Gooseneck/5th Wheel in bed, Chevy Silverado New Body, MH56070-INBCHEVY Install Time: 30 min - Availability: Shipping Required
    • Plugs into Existing 7-Way and routes a 7-Way In bed
    • 7-way RV blade socket adds reverse lights, electric brakes and auxiliary power
    • Come with a mounting bracket 
    • Part Number: 55417,56070
    $96.90
  13. Curt 57008 5th Wheel/Gooseneck Custom Wiring Harness for Ford, 7' Foot Long Extension (Adds 7-Way RV Blade to Truck Bed)
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    Curt 57008 5th Wheel/Gooseneck Custom Wiring Harness for Ford, 7' Foot Long Extension (Adds 7-Way RV Blade to Truck Bed) Install Time: 45 min - Availability: Shipping Required
    • 2015 - 2026, Ford, F-150, with factory 7-Way.
    • 2017 - 2026, Ford, F-250 Super Duty, with factory 7-Way.
    • 2017 - 2026, Ford, F-350 Super Duty, Excluding Cab & Chassis
    • 2017 - 2026, Ford, F-450 Super Duty, Excluding Cab & Chassis
    $119.95
  14. Curt 56000 5th Wheel/Gooseneck 7-Way Rv OEM Extension
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    $137.95
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