Do more without spending more! Shop the Splash into Summer Sale!
Over 26,000 items On Sale!

Boat Trailer Wiring Adapters & Converters

13 Items
 
Splash into Savings! On Sale Now!
Wiring Kit
Wiring your boat trailer? The Wesbar Wiring Kit is designed to make wiring boat trailers simple, easy and safe. The wires are color coded for easy …
List price: $8.30
Starting at $6.23
In stock
Splash into Savings! On Sale Now!
Wesbar Extension Harness
The Wesbar Extension Harness offers quality service for many years to come. This is a 4-way to 4-way or 5-way to 5-way extension harness that is …
List price: $7.45
Starting at $5.05
In stock
Splash into Savings! On Sale Now!
Sierra Vehicle Wiring Socket
For secure and efficient wiring for of boat trailer use the Sierra Vehicle Wiring Socket. This socket comes with spring loaded feature that securely …
List price: $15.29
Only $9.89
In stock
Splash into Savings! On Sale Now!
Standard Vehicle/Trailer Adapters - Step-Down Style
The Wesbar Standard Vehicle/Trailer Adapter lets you switch from one style switch to another with ease, especially when towing several trailers. …
List price: $12.36
Starting at $8.38
In stock
Splash into Savings! On Sale Now!
Taillight Converter - Cequent Trailer Products - Wesbar
Taillight converter with 12" leads and 60" 4-flat car end connector.
List price: $21.64
Only $13.61
In stock
Seachoice Trailer "Y" Harness
Wiring your trailer is much easier, when you have the Seachoice Trailer Y Harness. This flat-4 pole wiring harness has vehicle side connector and …
List price: $27.95
Your price:
$19.37
In stock
Seasense Fully Grounded Wire Harness
Full ground wire harness has ground wire which runs the complete length of the trailer to eliminate shorts and other time consuming trailer wiring …
List price: $23.99
Your price:
$19.04
Full StarFull StarFull StarFull StarFull Star (2)
In stock
Trailer Wiring Harness
25' wishbone trailer harness. Color coded wires with 4' vehicle side connector, 4 pole. Frame clips included.
List price: $24.99
Your price:
$19.24
In stock
Seasense Trailer Adapter
With the SeaSense Trailer Adapter, you can quickly establish an electrical connection between your vehicles and configure trailer wiring system. It …
List price: $8.89
Starting at:
$7.18
Full StarFull StarFull StarFull StarFull Star (1)
In stock
Optronics 7-Way To 5-Way Trailer Adapter Cable
Now you can easily convert 7-way round blade connector in your trailer to a 5-way flat pin female connector using the Optronics Adapter Cable. It …
Your price:
$14.59
In stock
Maxiseal 4 To 4-Way Harness Adapter (Anderson Marine)
Converts 4-way round pin connector to 4-way flat pin connector. Easily adapts tow vehicle connector to trailer connector. Simply plug adapter into …
List price: $8.29
Your price:
$4.25
In stock
Adapters With Built-In Back-Up Alarm (Wesbar)
Adapter with built-in 80 db. back-up alarm. Molded connectors to resist corrosion. Convenient OE connection.
List price: $25.69
Starting at:
$16.95
In stock
Maxiseal Harness Adapters (Anderson Marine)
Quick and easy to connect. Full-length plugs shall ensure positive latching; non-corrosive nylon shell and the insert eliminates make shift jumpers.
List price: $10.89
Starting at:
$5.56
In stock
13 Items
 
Shop the Splash into Summer Sale and SAVE!
Need it in a hurry? Upgrade to 2nd Day Air for only $2 more*