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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
    • (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
    • (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
    • (8 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 - $93.20
    • (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
      $56.00 - $176.53
    • (1 review)
      # sp4009
      Trailer Wire Installation Kit by Blue Ox®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by Hooker will last a...
      Connects Electric System From RV to Veh in as little as 15 minDesigned to safely and efficiently haul your loads
      $176.60 - $193.51
    • (0 reviews)
      # mpn1296533335
      Universal Trailer Hitch Pin Tech Tray by Dorman®. Dorman has all the components needed for a complete repair. Quickly and easily installed, it eliminates the clunking noise that may result when this part fails, while restoring...
      Designed to safely and efficiently haul your loadsMade from the highest quality materials
      $35.18
    • (0 reviews)
      # mpn1097251
      T-Connector (56160) by CURT®. For Models without Factory Tow Package, 2-wire, Location: S3/S4. This provides all you need to connect a trailer to the tow vehicle. Generous length allows plenty of wire. Female end is for tow...
      Plugs into vehicle tail light assembly to provide a 4-way flat socketSimple plug-and-play design eliminates the need for cutting or splicing
      $47.44
    • (0 reviews)
      # mpn1091319
      Universal T-Connector 4-Way Flat Output Connects Tail Lights Wiring Connector by CURT®. CARiD has everything you need to set up your car or truck to tow, starting with CURT hitches and accessories. Tow in comfort and safety with...
      Plugs into existing OEM vehicle socket to provide a 4-way flat socketSimple plug-and-play design eliminates the need for cutting or splicing
      $11.21
    • (0 reviews)
      # mpn145090523
      Tow Harness (118251) by Draw-Tite®. One-Year warranty. For Models with Towing Harness Package. Make wiring your connector trailer simple with the T-One. It simply plugs into your vehicle's harness near the hitch.
      Exact replacement for damaged factory wiring harnessesInstalls in seconds on vehicles not factory pre-wired
      $10.73
    • (0 reviews)
      # mpn1919979
      T-One Connector (118551) by Draw-Tite®. One-Year warranty. For Models without Towing Harness Package. T-One Connectors require no splicing of vehicle wires. Simply locate your vehicles wiring harness connector, unplug the...
      "Factory" appearanceQuick and eas installation
      $40.01
    • (0 reviews)
      # mpn57194894
      Universal Back Up Sensor System by Hopkins®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by Hopkins will last a...
      Designed to safely and efficiently haul your loadsMade from the highest quality materials
      $44.37
    • (0 reviews)
      # mpn614985881
      Universal Endurance™ Straight Wire 7 Blade to 6 Round Kit by Hopkins®. To have a greater peace of mind when driving with a trailer, go with this perfect accessory that is sure to provide you with a safe, secure connection. Made...
      8 foot lengthEasy-grip, heavy-duty connectors with heavy-duty cable
      $48.75
    • (0 reviews)
      # mpn29441651
      Universal Endurance™ Straight Wire 7 RV Blade to 4 Round Kit 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,...
      8 foot lengthEasy-grip, heavy-duty connectors with heavy-duty cable
      $53.59
    • (0 reviews)
      # mpn2228137
      Towing Wiring Harness by Hopkins®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by Hopkins will last a lifetime....
      Plug-In Simple!® Wiring Kit: No cutting, No splicing- Saves timeUtilizes OEM connectors for enhanced fit and weatherproofing
      $16.31
    • (0 reviews)
      # mpn2555026
      EZ Light Wiring Harness (BX88280) by Blue Ox®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by Hooker will last a...
      Designed to safely and efficiently haul your loadsMade from the highest quality materials
      $193.25
    • (0 reviews)
      # mpn1378757007
      Tow Harness (118251) by Draw-Tite®. One-Year warranty. For Models with Towing Harness Package. Wire up your tow vehicle and trailer with whatever it takes to get your trailer lights on, the electric brakes slowing down, and the...
      Exact replacement for damaged factory wiring harnessesInstalls in seconds on vehicles not factory pre-wired
      $10.73
    • (0 reviews)
      # mpn1378757757
      T-One Connector (118551) by Draw-Tite®. One-Year warranty. For Models without Towing Harness Package. Wire up your tow vehicle and trailer with whatever it takes to get your trailer lights on, the electric brakes slowing down, and...
      "Factory" appearanceQuick and eas installation
      $40.01
    • (0 reviews)
      # mpn553115055
      Universal Wiring Kit for Installing Power Modules by Tekonsha®. One-year warranty. For use with #119147, #119177, #119179, #119180, #119190, #119192 ModuLite® Power Modules. Look to CARiD for all of your trailering/towing...
      Upgraded wiring kit for installing all Modulitesinclude 20' pre-wrapped in comvulted tubing
      $24.65
    • (0 reviews)
      # mpn553115065
      Universal 7-Way Towing Wiring Harness Prep Kit by Tekonsha®. One-year warranty. Includes ModuLite® HD Protector with Backup and Brake Control Harness. Look to CARiD for all of your trailering/towing accessories and replacement parts.
      Allows for fully functional 7-Way (Tail Lights, Left/Right turn, Brake, Reverse, Electric Brakes and 12 Volt +)Short circuit and overload protection on all circuits including reverse
      $84.98
    • (0 reviews)
      # mpn1241731
      Towing Wiring Harness 4-Way Flat (65-62055) 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.
      Complete One Piece Harness DesignBuilt In Tail Light Converters, Where Applicable
      $61.92
    • (0 reviews)
      # mpn1558917188
      Universal 21" Tail Light Wiring Harness by JoDog®. 21" Power Cord.
      Heavy Duty Coil Power CordLimited 90 Day Warranty
      $30.03
    • (0 reviews)
      # mpn1558917187
      Universal 21" Tail Light Wiring Harness by JoDog®. 21" Power Cord.
      Heavy Duty Coil Power CordLimited 90 Day Warranty
      $30.03
    • (0 reviews)
      # mpn474021950
      Universal Circuit Tester by Prime Products®. For 6V. Transform your vehicle into a reliable load-hauling machine by installing this superior trailer hitch. With this product that is made utilizing only the highest quality materials...
      Designed to safely and efficiently haul your loadsMade from the highest quality materials
      $5.62
    • (0 reviews)
      # mpn1583584909
      Universal 4-Way Trailer Wire Harness by Shoreline Marine®. 25' Length. Designed for the Do-It-Yourselfer. These Trailer Wiring Kits Are Easy to Install. The Kit Comes Complete with Wiring Harness, Wire Connectors and Clips....
      Designed to safely and efficiently haul your loadsMade from the highest quality materials
      $11.02
    • (0 reviews)
      # mpn1147989204
      Universal Motorhome Towing Electrical Quick Plug-In by Towing Electrical Systems®. Honda Fit. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...
      Designed to safely and efficiently haul your loadsMade from the highest quality materials
      $60.65
    • (0 reviews)
      # mpn1147989163
      Universal Motorhome Towing Electrical Quick Plug-In by Towing Electrical Systems®. Chevrolet / GMC. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...
      Designed to safely and efficiently haul your loadsMade from the highest quality materials
      $60.65
    • (0 reviews)
      # mpn1147989181
      Universal Motorhome Towing Electrical Quick Plug-In by Towing Electrical Systems®. Dodge Nitro, Liberty. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and...
      Designed to safely and efficiently haul your loadsMade from the highest quality materials
      $60.65
    • (0 reviews)
      # mpn1147989191
      Universal Motorhome Towing Electrical Quick Plug-In by Towing Electrical Systems®. Ford Edge. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...
      Designed to safely and efficiently haul your loadsMade from the highest quality materials
      $60.65
    • (0 reviews)
      # mpn1147989185
      Universal Motorhome Towing Electrical Quick Plug-In by Towing Electrical Systems®. Terrain / Equinox. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and...
      Designed to safely and efficiently haul your loadsMade from the highest quality materials
      $60.65
    • (0 reviews)
      # mpn1147989183
      Universal Motorhome Towing Electrical Quick Plug-In by Towing Electrical Systems®. Chevrolet Cruze. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...
      Designed to safely and efficiently haul your loadsMade from the highest quality materials
      $60.65
    • (0 reviews)
      # mpn1147989203
      Universal Motorhome Towing Electrical Quick Plug-In by Towing Electrical Systems®. Honda CRV. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...
      Designed to safely and efficiently haul your loadsMade from the highest quality materials
      $60.65
    • (0 reviews)
      # mpn1147989165
      Universal Motorhome Towing Electrical Quick Plug-In by Towing Electrical Systems®. Chevrolet Avalanche. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and...
      Designed to safely and efficiently haul your loadsMade from the highest quality materials
      $60.65
    • (0 reviews)
      # mpn1147989179
      Universal Motorhome Towing Electrical Quick Plug-In by Towing Electrical Systems®. Jeep Compass. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...
      Designed to safely and efficiently haul your loadsMade from the highest quality materials
      $60.65
    • (0 reviews)
      # mpn1030885
      Universal 3 to 2 Converter by CURT®. CARiD has everything you need to set up your car or truck to tow, starting with CURT hitches and accessories. Tow in comfort and safety with the proper gear, and make your life easier around the...
      Converts 3-wire vehicle electrical system to standard 2-wire trailer wiring4-way flat output connects tail lights, brake lights and turn signals
      $13.93
    • (0 reviews)
      # mpn1031545
      Universal Converter by CURT®. Bulk 30 Pack. CARiD has everything you need to set up your car or truck to tow, starting with CURT hitches and accessories. Tow in comfort and safety with the proper gear, and make your life easier...
      Converts 3-wire vehicle electrical system to standard 2-wire trailer wiring4-way flat output connects tail lights, brake lights and turn signals
      $548.75
    • (0 reviews)
      # mpn575112644
      Universal Multi-Function Electrical Converter Kit by CURT®. Converts 2-Wire, 3-Wire Or Pwm St System To 2-Wire Trailer Light Wiring. CARiD has everything you need to set up your car or truck to tow, starting with CURT hitches and...
      Converts 2-wire, 3-wire or PWM ST system to 2-wire trailer light wiringPotted enclosure significantly increases water and vibration resistance
      $52.23
    • (0 reviews)
      # mpn1094023
      Universal Tail Light Converter by CURT®. CARiD has everything you need to set up your car or truck to tow, starting with CURT hitches and accessories. Tow in comfort and safety with the proper gear, and make your life easier around...
      Converts a 2-wire electrical system to 3-wireConstructed with SMT circuitry for better performance and durability
      $19.75
    • (0 reviews)
      # mpn1031544
      Universal 3-Wire System to 2-Wire System Tail Light Converter by CURT®. 30 Bulk. CARiD has everything you need to set up your car or truck to tow, starting with CURT hitches and accessories. Tow in comfort and safety with the...
      Converts 3-wire vehicle electrical system to standard 2-wire trailer wiring4-way flat output connects tail lights, brake lights and turn signals
      $409.88
    • (0 reviews)
      # mpn1091334
      Universal PWM-STT 3-wire System to 2-Wire System Tail Light Converter PWM-STT 3-wire System to 2-Wire System Tail Light Converter by CURT®. 3 Amp Turn/Brake, 6 Amp Taillight. CARiD has everything you need to set up your car or...
      For use on PWM systems with combined stop, turn and tail lights4-way flat output connects tail lights, brake lights and turn signals
      $91.07
    • (3 reviews)
      # mpn2228179
      Universal Short Proof Power Converter by Hopkins®. Length: 72". When attaching a trailer to your vehicle, a premium quality wiring kit or harness is a vital necessity. An automotive trailer must have a reliable connection with the...
      72" lengthFor vehicles equipped with independent bulb turn signals or common bulb systems
      $61.29
    • (0 reviews)
      # mpn2227804
      Universal Power Tail Light Converter by Hopkins®. When attaching a trailer to your vehicle, a premium quality wiring kit or harness is a vital necessity. An automotive trailer must have a reliable connection with the signaling...
      For vehicles equipped with independent bulb turn signals or common bulb systemsPowers up to 5.0 amps per output
      $50.04
    • (0 reviews)
      # mpn1809685
      Universal 3 to 2 Brite-Lite Taillight Converter by Roadmaster®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by...
      Designed to safely and efficiently haul your loadsMade from the highest quality materials
      $55.88
    • (0 reviews)
      # mpn1147989070
      Universal Basic Taillight Converter by Towing Electrical Systems®. 7.5A Circuit. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind,...
      Designed to safely and efficiently haul your loadsMade from the highest quality materials
      $15.98
    • (0 reviews)
      # mpn1147989069
      Universal Circuit Protected Taillight Converter by Towing Electrical Systems®. 7.5A Circuit, with 60" 4 Prong. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...
      Designed to safely and efficiently haul your loadsMade from the highest quality materials
      $16.42
    • (0 reviews)
      # mpn1031407
      Universal Adapter Harness by CURT®. CARiD has everything you need to set up your car or truck to tow, starting with CURT hitches and accessories. Tow in comfort and safety with the proper gear, and make your life easier around the...
      Adapts Dodge harness applications to fit USCAR replacement plugsSimple plug-and-play design eliminates the need for cutting or splicing
      $15.53
    • (0 reviews)
      # mpn1030907
      Universal 2-Flat Power Adapter to Cigarette Lighter by CURT®. Packaged. CARiD has everything you need to set up your car or truck to tow, starting with CURT hitches and accessories. Tow in comfort and safety with the proper gear,...
      Powers accessories with the vehicle's 2-, 4- or 5-way flat connectorProvides a cigarette lighter type socket
      $4.28
    • (0 reviews)
      # mpn1089753
      Universal 4-Flat Car to 4-Flat Trailer Adapter with Dust Cover by CURT®. CARiD has everything you need to set up your car or truck to tow, starting with CURT hitches and accessories. Tow in comfort and safety with the proper gear,...
      Allows a 4-way flat socket to be mounted in a license plate light hole1-1/4" plug fits a typical license plate light hole
      $3.02
    • (0 reviews)
      # mpn1094036
      Universal 7-Way RV Blade to Accessory Adapter with Back-Up Alarm by CURT®. CARiD has everything you need to set up your car or truck to tow, starting with CURT hitches and accessories. Tow in comfort and safety with the proper...
      Extends a 7-way RV blade connector vehicle socketSimple plug-and-play design eliminates the need for cutting or splicing
      $16.20
    • (0 reviews)
      # mpn1094031
      Universal 6-Way Round to 7-Way RV Blade Adapter by CURT®. CARiD has everything you need to set up your car or truck to tow, starting with CURT hitches and accessories. Tow in comfort and safety with the proper gear, and make your...
      Adapts a 6-way round vehicle socket to fit 7-way RV blade trailer plugsSimple plug-and-play design eliminates the need for cutting or splicing
      $19.89
    • (0 reviews)
      # mpn1098154
      Universal 7-Way RV Round to 4-Way Flat Adapter by CURT®. Packaged. CARiD has everything you need to set up your car or truck to tow, starting with CURT hitches and accessories. Tow in comfort and safety with the proper gear, and...
      Adapts a 7-way RV blade vehicle socket to fit 4-way flat trailer plugsSimple plug-and-play design eliminates the need for cutting or splicing
      $6.89
    • (0 reviews)
      # mpn1030893
      Universal 7-Way RV to 6 Round Adapter by CURT®. Packaged. CARiD has everything you need to set up your car or truck to tow, starting with CURT hitches and accessories. Tow in comfort and safety with the proper gear, and make your...
      Adapts a 7-way RV blade vehicle socket to fit 6-way round trailer plugsSimple plug-and-play design eliminates the need for cutting or splicing
      $8.77
    • (0 reviews)
      # mpn1031553
      Universal 6-Way RV Round to 4-Way Flat Adapter with LED Dust Cover by CURT®. Packaged. CARiD has everything you need to set up your car or truck to tow, starting with CURT hitches and accessories. Tow in comfort and safety with the...
      Adapts a 6-way round vehicle socket to fit 4-way flat trailer plugsSimple plug-and-play design eliminates the need for cutting or splicing
      $8.66
    • (0 reviews)
      # mpn1094044
      Universal 2-Way to Accessory Socket Power Adapter by CURT®. CARiD has everything you need to set up your car or truck to tow, starting with CURT hitches and accessories. Tow in comfort and safety with the proper gear, and make your...
      Powers accessories with the vehicle's 2-, 4- or 5-way flat connectorProvides a cigarette lighter type socket
      $2.16
    • (0 reviews)
      # mpn1030889
      Universal 4 Pole Round to 4-Way Flat Adapter by CURT®. Packaged, Fits Light Duty Sockets. CARiD has everything you need to set up your car or truck to tow, starting with CURT hitches and accessories. Tow in comfort and safety with...
      Adapts a 4-way round vehicle socket to fit 4-way flat trailer plugsSimple plug-and-play design eliminates the need for cutting or splicing
      $5.15
    • (0 reviews)
      # mpn1091321
      Universal 7-Way RV Blade and 4-Way Flat Multi-Function Adapter by CURT®. For Existing 4-Flat Plug. CARiD has everything you need to set up your car or truck to tow, starting with CURT hitches and accessories. Tow in comfort and...
      Adapts a 4-way flat socket to fit 4-way flat and 7-way RV blade trailer plugsSimple plug-and-play design for easy installation (some manual wiring required)
      $28.94
    • (0 reviews)
      # mpn1201315654
      Universal 4-Way Flat to 7-Way Round Adapter by CURT®. CARiD has everything you need to set up your car or truck to tow, starting with CURT hitches and accessories. Tow in comfort and safety with the proper gear, and make your life...
      Adapts a 4-way flat vehicle socket to fit 7-way RV blade trailer plugsSimple plug-and-play design for easy installation (some manual wiring required)
      $49.99
    • (0 reviews)
      # mpn1709050
      Universal 4-Flat to 5-Flat Adapter by Bargman®. One-year warranty. 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...
      Designed to safely and efficiently haul your loadsMade from the highest quality materials
      $9.34
    • (0 reviews)
      # mpn1709033
      Universal Battery Post Adapter by Bargman®. One-year warranty. 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...
      Designed to safely and efficiently haul your loadsMade from the highest quality materials
      $12.53
    • (0 reviews)
      # mpn1709049
      Universal 6-Way Round Pin to 4-Flat Adapter by Bargman®. One-year warranty. 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...
      Designed to safely and efficiently haul your loadsMade from the highest quality materials
      $9.83




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    Mercury Mariner Trailer Hitch Wiring Reviews

    Average rating:  4.5  4.5 - 154 reviews
    5 of 5
    Best Hitches Made
    This hitch replaced an old one I had to put a bolt through to keep it secure. It had come loose once but I was lucky the safety chains kept it with the truck but the big dent still remains in the fender. Bulldog hitches are simple and I no longer worry about whether the trailer is securely attached to my vehicle. I just cut the old welds, ground everything, smooth, welded the Bulldog in place, added some spray primer, (the whole trailer will get paint when it warms up), and I am ready to roll. Both my trailers have been modified with Bulldog hitches.
    LPosted by Leland (Show Low, AZ) / February 4, 2016
    Was this review helpful for you? Yes
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    Mercury Mariner Models
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