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Trailer Adapters & Wiring Harnesses

(148 products)

PartsVu is proud to carry a range of trailer accessories including trailer adapters and trailer wiring harnesses from leading manufacturers such as Seachoice, Wesbar, Sierra, RV Pigtails, Pollak Corporation, Hopkins Manufacturing, Attwood Marine, and others.

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  • 7-WAY ADAPTER (FULTYME RV) - 1007

    FULTYME RV

    7-WAY ADAPTER (FULTYME RV) - 1007

    $18.21 $20.99
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  • 7-WAY ADAPTER (FULTYME RV) - 1002

    FULTYME RV

    7-WAY ADAPTER (FULTYME RV) - 1002

    $16.85 $18.79
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  • Sea Choice - 7Way Round USCar Style ConnectorCar Side, Heavy Duty - 57911

    SEACHOICE

    Sea Choice - 7Way Round USCar Style ConnectorCar Side, Heavy Duty - 57911

    $13.57
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  • Wesbar - 7-Way Flat Pin to 5-Flat Adapter w/LED Lamp - Out By-Pass for European Vehicles - 20141

    Wesbar

    Wesbar - 7-Way Flat Pin to 5-Flat Adapter w/LED Lamp - Out By-Pass for European Vehicles - 20141

    $22.81
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  • Sea Choice - 7Way Round USCar Style TwistLock ConnectorCar Side, TwistLock - 57941

    SEACHOICE

    Sea Choice - 7Way Round USCar Style TwistLock ConnectorCar Side, TwistLock - 57941

    $11.02
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  • Sea Choice - 7Way Round USCar Style ConnectorCar Side, Heavy Duty - 57861

    SEACHOICE

    Sea Choice - 7Way Round USCar Style ConnectorCar Side, Heavy Duty - 57861

    $7.23
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  • Optronics - Optronics A57WBP 7-Way Round Blade to 5-Way Flat Pin Connector Adapter 16" Cable - A57WBP

    OPTRONICS

    Optronics - Optronics A57WBP 7-Way Round Blade to 5-Way Flat Pin Connector Adapter 16" Cable - A57WBP

    $20.50
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  • Pollak Corp - 7-4 WAY ADAPTER,7-WAY TO 4 WAY CONNECTOR ADAPTER - 12716EP

    POLLAK CORP

    Pollak Corp - 7-4 WAY ADAPTER,7-WAY TO 4 WAY CONNECTOR ADAPTER - 12716EP

    $8.79
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  • Pollak Corp - 7-5 WAY ADAPTER,7-WAY TO 5 WAY CONNECTOR ADAPTER - 12718EP

    POLLAK CORP

    Pollak Corp - 7-5 WAY ADAPTER,7-WAY TO 5 WAY CONNECTOR ADAPTER - 12718EP

    $14.05
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  • Pollak Corp - 7WAY RV TO 5WAY FLAT ADAPTER,7-WAY RV TO 5-WAY FLAT ADAPTER - 12744EV

    POLLAK CORP

    Pollak Corp - 7WAY RV TO 5WAY FLAT ADAPTER,7-WAY RV TO 5-WAY FLAT ADAPTER - 12744EV

    $15.69
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  • TRAILER CONNECTOR (FULTYME RV) - 1012

    FULTYME RV

    TRAILER CONNECTOR (FULTYME RV) - 1012

    $8.55
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  • TRAILER CONNECTOR (FULTYME RV) - 1013

    FULTYME RV

    TRAILER CONNECTOR (FULTYME RV) - 1013

    $7.29
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  • Seachoice - 48" Trailer Wire Harness Extension - 13991

    SEACHOICE

    Seachoice - 48" Trailer Wire Harness Extension - 13991

    $12.31
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  • Seachoice - 48" Trailer Wire Harness Extension - 13931

    SEACHOICE

    Seachoice - 48" Trailer Wire Harness Extension - 13931

    $15.23
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  • OEM STYLE TRAILER CONNECTOR MOUNTING BRACKET (FULTYME) - 2002

    FULTYME RV

    OEM STYLE TRAILER CONNECTOR MOUNTING BRACKET (FULTYME) - 2002

    $3.76 $4.25
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  • Sea Choice - 4 Flat to 5 Flat Trailer Wiring Adapter - 57721

    SEACHOICE

    Sea Choice - 4 Flat to 5 Flat Trailer Wiring Adapter - 57721

    $10.73 $12.19
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  • 6-WAY ROUND TO 4-FLAT ADAPTER (FULTYME) - 2004

    FULTYME RV

    6-WAY ROUND TO 4-FLAT ADAPTER (FULTYME) - 2004

    $9.85 $10.99
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  • Sea Choice - Trailer Wiring Adapter With LED Protective Cover, 7Way RV Style to 4Flat Pin Style Adapter - 57741

    SEACHOICE

    Sea Choice - Trailer Wiring Adapter With LED Protective Cover, 7Way RV Style to 4Flat Pin Style Adapter - 57741

    $9.26 $10.99
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  • Sea Choice - 7Way RV Style Connector to 6Way Round and 5Way Flat Adapter - 58101

    SEACHOICE

    Sea Choice - 7Way RV Style Connector to 6Way Round and 5Way Flat Adapter - 58101

    $20.90 $21.55
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  • 7-WAY BLADE TO 4-FLAT ADAPTER WITH LED COVER (FULTYME) - 2005

    FULTYME RV

    7-WAY BLADE TO 4-FLAT ADAPTER WITH LED COVER (FULTYME) - 2005

    $9.71 $10.99
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  • Sea Choice - 6 Way Round to 4 Flat Trailer Wiring Adapter - 57731

    SEACHOICE

    Sea Choice - 6 Way Round to 4 Flat Trailer Wiring Adapter - 57731

    $10.67 $11.99
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  • 7-WAY BLADE TO 6-WAY ROUND AND 5-WAY FLAT ADAPTER (FULTYME) - 2033

    FULTYME RV

    7-WAY BLADE TO 6-WAY ROUND AND 5-WAY FLAT ADAPTER (FULTYME) - 2033

    $28.60
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  • TRAILER WIRING MOUNTING BRACKET (FULTYME) - 2027

    FULTYME RV

    TRAILER WIRING MOUNTING BRACKET (FULTYME) - 2027

    $6.55
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  • TRAILER WIRING MOUNTING BRACKET (FULTYME) - 2001

    FULTYME RV

    TRAILER WIRING MOUNTING BRACKET (FULTYME) - 2001

    $3.24 $3.99
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  • Sea Choice - Adapter, 7Way to Single 12V Accessory Port - 58071

    SEACHOICE

    Sea Choice - Adapter, 7Way to Single 12V Accessory Port - 58071

    $7.93 $7.95
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  • 7-WAY TO SINGLE 12V ACCESSORY PORT (FULTYME) - 2030

    FULTYME RV

    7-WAY TO SINGLE 12V ACCESSORY PORT (FULTYME) - 2030

    $10.50
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  • Pollak Corp - 7-Way to 6-Way Connector Adapter - 12719EP

    POLLAK CORP

    Pollak Corp - 7-Way to 6-Way Connector Adapter - 12719EP

    $8.28
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  • Attwood Marine - Complete Trailer Wiring Kit - 76217

    Attwood Marine

    Attwood Marine - Complete Trailer Wiring Kit - 76217

    $17.98 $22.99
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  • Sea-Dog Trailer Connector 4 Pole Kit - 753877-1

    SEA-DOG LINE

    Sea-Dog Trailer Connector 4 Pole Kit - 753877-1

    $13.81
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  • Wesbar Vehicle/Trailer Adapter - 7-Way Blade to 5-Way Flat - 18" Wire - 707250

    Wesbar

    Wesbar Vehicle/Trailer Adapter - 7-Way Blade to 5-Way Flat - 18" Wire - 707250

    $33.78
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  • Wesbar Vehicle/Trailer Adapter - 7-Way Blade to 4-Way Flat - 707282

    Wesbar

    Wesbar Vehicle/Trailer Adapter - 7-Way Blade to 4-Way Flat - 707282

    $31.85
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  • Wesbar 25 ft. 5-Wire Wishbone Flat Wiring Harness Kit - 707105

    Wesbar

    Wesbar 25 ft. 5-Wire Wishbone Flat Wiring Harness Kit - 707105

    $85.35
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  • Sierra - Trailer Connector - TC43654

    SIERRA

    Sierra - Trailer Connector - TC43654

    $10.48 $11.79
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  • Boating Essentials - Trailer Wire Adapter - BE-TR-59396-DP

    T-H MARINE

    Boating Essentials - Trailer Wire Adapter - BE-TR-59396-DP

    $14.29
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  • Boating Essentials - Trailer Wiring Adapter - BE-TR-59394-DP

    T-H MARINE

    Boating Essentials - Trailer Wiring Adapter - BE-TR-59394-DP

    $8.49
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  • Boating Essentials - 4-Way Trunk Side Trailer Wire Connector - BE-TR-59380-DP

    T-H MARINE

    Boating Essentials - 4-Way Trunk Side Trailer Wire Connector - BE-TR-59380-DP

    $7.59
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PartsVu offers a full range of Boat Trailer Parts and Accessories to help you maintain your trailer. Follow these links to find: Boat Trailer Lights; Boat Trailer Bow Rollers & Stops; Trailer Adapters & Wiring Harnesses; Boat Trailer Jacks; Boat Trailer Hubs, Brakes & Bearings; Boat Trailer Balls & Couplers; Boat Trailer Hitches; Boat Trailer Accessories, Chocks & Tires; Boat Trailer Hardware, Brackets, Springs & Bolts; Boat Trailer Guides & Poles; Boat Trailer Bunk, Boards & Components; Boat Trailer Straps, Winches & Safety Chains.

Everything you need to know about wiring a Boat Trailer is featured in this article from the PartsVU Exchange.

Here's some great information about how to secure your boat trailer safely for the ride home.

Check out all of the great Boat Trailering Tips & Resources available at the PartsVU Exchange.