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CURT Trailer Wiring Adapters

CURT trailer wiring adapters let you bridge the gap between mismatched connectors. Whether you're going from a 4-way to a 7-way or the other way around, these adapters make it simple to connect your trailer to your vehicle.

CURT Trailer Wiring AdaptersCURT Trailer Wiring Adapters
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CURT Dual-Output Electrical Adapter (Adds 7-Way RV Blade to 4-Way Flat) #57672 View Product
Curt™ CURT Dual-Output Electrical Adapter (Adds 7-Way RV Blade to 4-Way Flat) #57672

SKU: 2020103586

$40.95
Universal Vehicle Fit
CURT 4-Way Flat License Plate Light Plug Adapter (Packaged) #57404 View Product
Curt™ CURT 4-Way Flat License Plate Light Plug Adapter (Packaged) #57404

SKU: 2020103573

$8.95
Universal Vehicle Fit
CURT 4-Way Flat License Plate Light Plug Adapter #58404 View Product
Curt™ CURT 4-Way Flat License Plate Light Plug Adapter #58404

SKU: 2020103679

$8.95
Universal Vehicle Fit
CURT Electrical Adapter (4-Way Flat Vehicle to 7-Way RV Blade Trailer) #57184 View Product
Curt™ CURT Electrical Adapter (4-Way Flat Vehicle to 7-Way RV Blade Trailer) #57184

SKU: 2020103547

$22.95
Universal Vehicle Fit
CURT Electrical Adapter with Tester (4-Way Flat Vehicle to 6-Way Round Trailer) #57626 View Product
Curt™ CURT Electrical Adapter with Tester (4-Way Flat Vehicle to 6-Way Round Trailer) #57626

SKU: 2020103581

$22.95
Universal Vehicle Fit
CURT Dual-Output Electrical Adapter with Tester (Adds 6-Way Round to 4-Way Flat) #57624 View Product
Curt™ CURT Dual-Output Electrical Adapter with Tester (Adds 6-Way Round to 4-Way Flat) #57624

SKU: 2020103580

$22.95
Universal Vehicle Fit
CURT Dual-Output Electrical Adapter (Adds 6-Way Round to 4-Way Flat) #57604 View Product
Curt™ CURT Dual-Output Electrical Adapter (Adds 6-Way Round to 4-Way Flat) #57604

SKU: 2020103577

$31.95
Universal Vehicle Fit
CURT 4-Way to 5-Way Flat Adapter for Boat Trailer Surge Brakes #57187 View Product
Curt™ CURT 4-Way to 5-Way Flat Adapter for Boat Trailer Surge Brakes #57187

SKU: 2020103550

$12.95
Universal Vehicle Fit
CURT 4-Way Flat Electrical Adapter with Brake Controller Wiring #57186 View Product
Curt™ CURT 4-Way Flat Electrical Adapter with Brake Controller Wiring #57186

SKU: 2020103549

$92.95
Universal Vehicle Fit
CURT Electrical Adapter (7-Way RV Blade to 6-Way Round Trailer, Center Pin Brake) #57660 View Product
Curt™ CURT Electrical Adapter (7-Way RV Blade to 6-Way Round Trailer, Center Pin Brake) #57660

SKU: 2020103583

$9.95
Universal Vehicle Fit
CURT Dual-Output Adapter with Backup Alarm (4-Way Flat to 7-Way RV Blade Trailer) #57102 View Product
Curt™ CURT Dual-Output Adapter with Backup Alarm (4-Way Flat to 7-Way RV Blade Trailer) #57102

SKU: 2020103545

$44.95
Universal Vehicle Fit
CURT Adapter (7-Way RV Blade to 6-Way Round Trailer, Center Pin Auxiliary, Packaged) #57261 View Product
Curt™ CURT Adapter (7-Way RV Blade to 6-Way Round Trailer, Center Pin Auxiliary, Packaged) #57261

SKU: 2020103569

$12.95
Universal Vehicle Fit
CURT Electrical Adapter with Tester (4-Way Flat Vehicle to 7-Way RV Blade Trailer) #57676 View Product
Curt™ CURT Electrical Adapter with Tester (4-Way Flat Vehicle to 7-Way RV Blade Trailer) #57676

SKU: 2020103588

$38.95
Universal Vehicle Fit
CURT Electrical Adapter (4-Way Flat Vehicle to 6-Way Round Trailer) #57183 View Product
Curt™ CURT Electrical Adapter (4-Way Flat Vehicle to 6-Way Round Trailer) #57183

SKU: 2020103546

$24.95
Universal Vehicle Fit
CURT Electrical Adapter (4-Way Round Vehicle to 4-Way Flat Trailer) #58414 View Product
Curt™ CURT Electrical Adapter (4-Way Round Vehicle to 4-Way Flat Trailer) #58414

SKU: 2020103683

$8.95
Universal Vehicle Fit
CURT 4-Way Flat Vehicle-Side to USCAR Wiring Adapter #56476 View Product
Curt™ CURT 4-Way Flat Vehicle-Side to USCAR Wiring Adapter #56476

SKU: 2022326383

$39.95
Universal Vehicle Fit
CURT Electrical Adapter (6-Way Round Vehicle to 7-Way RV Blade Trailer) #57667 View Product
Curt™ CURT Electrical Adapter (6-Way Round Vehicle to 7-Way RV Blade Trailer) #57667

SKU: 2020103585

$33.95
Universal Vehicle Fit
CURT Electrical Adapter (6-Way Round Vehicle to 4-Way Flat Trailer) #57621 View Product
Curt™ CURT Electrical Adapter (6-Way Round Vehicle to 4-Way Flat Trailer) #57621

SKU: 2020103579

$8.95
Universal Vehicle Fit
CURT Dual-Output Electrical Adapter with Tester (Adds 7-Way RV Blade to 4-Way Flat) #57674 View Product
Curt™ CURT Dual-Output Electrical Adapter with Tester (Adds 7-Way RV Blade to 4-Way Flat) #57674

SKU: 2020103587

$45.95
Universal Vehicle Fit
CURT Electrical Adapter (6-Way Round Vehicle to 4-Way Flat Trailer) #57620 View Product
Curt™ CURT Electrical Adapter (6-Way Round Vehicle to 4-Way Flat Trailer) #57620

SKU: 2020103578

$8.95
Universal Vehicle Fit
CURT Adapter with Backup Alarm (7-Way RV Blade Vehicle to 4-Way Flat Trailer) #57724 View Product
Curt™ CURT Adapter with Backup Alarm (7-Way RV Blade Vehicle to 4-Way Flat Trailer) #57724

SKU: 2020103590

$20.95
Universal Vehicle Fit
CURT Electrical Adapter (7-Way RV Blade Vehicle to 5-Way Flat Trailer, Packaged) #57251 View Product
Curt™ CURT Electrical Adapter (7-Way RV Blade Vehicle to 5-Way Flat Trailer, Packaged) #57251

SKU: 2020103566

$13.95
Universal Vehicle Fit
CURT Adapter with Tester (7-Way RV Blade to 6-Round Trailer, Center Pin Auxiliary) #57255 View Product
Curt™ CURT Adapter with Tester (7-Way RV Blade to 6-Round Trailer, Center Pin Auxiliary) #57255

SKU: 2020103567

$19.95
Universal Vehicle Fit
CURT Electrical Adapter with Bracket (4-Way Flat Vehicle to 7-Way RV Blade Trailer) #57185 View Product
Curt™ CURT Electrical Adapter with Bracket (4-Way Flat Vehicle to 7-Way RV Blade Trailer) #57185

SKU: 2020103548

$27.95
Universal Vehicle Fit
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One Plug Away from Compatibility

CURT trailer wiring adapters make mismatched connections a thing of the past. Whether your vehicle has a 4-way flat and your trailer has a 5-way flat, 6-way round, 7-way RV blade, or none of the above, CURT offers plug-and-play adapters to bridge the gap. These adapters are built for rugged, long-lasting use with weather-resistant materials and terminals.

CURT wiring adapters are perfect for switching between multiple trailers or vehicles without rewiring your entire setup. From basic conversions to multifunction adapters with built-in lighting solutions, CURT provides the versatility to make your towing experience easier and more efficient.

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