Custom Wiring & T-Connectors

These wiring harnesses are designed to put an extra connector socket in the bed of your pickup truck while still retaining power to the rear connector socket mounted on your bumper or trailer hitch. This is done by plugging into the back of the existing original equipment (OEM) harness and routing through the body of the truck to a hole in the truck bed, providing a connector that is ready to accommodate your 5th wheel or gooseneck trailer. These CURT extension harnesses are designed to work with 7-way RV blade connectors and come with 10' of wire. Ten harnesses are included in each package. They are compatible with certain models of Chevrolet, Dodge, Ford, GMC, Nissan, Ram and Toyota When you need a towing electrical solution that allows you to switch back and forth between your receiver hitch and specialized trailer hitch, CURT gets you plugged in., 10' CUSTOM WIRING EXTENSION HARNESSES (ADDS 7-WAY RV BLADE TO TRUCK BED, 10-PACK) #56000010 Routes a 7-way RV blade socket into truck bed while retaining use of rear socket. Simple plug-and-play design eliminates the need for cutting or splicing. Allows for easy connection of 5th wheel or gooseneck wiring. 7-way connects tail, brake, reverse, turn signals, brakes and auxiliary power. 10' extension with right-angle plugs for easy installation. Spring-loaded dust cover keeps connector clean when not in use. Slit loom keeps wires contained and well protected. Notes: Includes 10 extension harnesses per package. Requires 2-1/8" hole saw for installation.

CURT custom wiring provides everything you need to connect your vehicle's electrical system to a trailer. With a plug-and-play connector, a custom wiring connector easily integrates with your vehicle to provide a standard trailer wiring connector, typically in the form of a 4-way flat. This custom wiring connector features a vehicle-specific design to perfectly fit certain years of the Acura RDX (factory tow package required; to verify vehicle compatibility, see the CURT application guide or use the Vehicle Lookup on the CURT website). It uses an OEM-compatible connector to plug into the vehicle's OEM socket and provides a standard 4-way flat output to power the taillights, brake lights and turn signals on your trailer. To complete this custom wiring connector, it comes with a rubber dust cover. This cover keeps the connection points clean and well protected when the connector is not in use. Once installed, the connector can also be conveniently mounted on the vehicle's trailer hitch receiver tube, using a CURT Easy-Mount connector bracket. The bracket mounts onto the trailer hitch with no drilling required, and its powder-coated steel construction provides a solid attachment point for plugging in the trailer wiring., CUSTOM 4-FLAT, SELECT ACURA RDX, OEM TOW PACKAGE REQUIRED #56509 - Plugs into existing OEM vehicle socket to provide a 4-way flat socket. Simple plug-and-play design eliminates the need for cutting or splicing. 4-way flat output connects tail lights, brake lights and turn signals. Equipped with tail light converter for vehicle-trailer compatibility. Constructed with SMT circuitry for better performance and durability. Dust cover included to keep connector clean when not in use. Backed by a limited one-year warranty. Notes: Factory (OEM) tow package required for installation.

CURT custom wiring provides everything you need to connect your vehicle's electrical system to a trailer. With a plug-and-play connector, a custom wiring connector easily integrates with your vehicle to provide a standard trailer wiring connector, typically in the form of a 4-way flat. This custom wiring connector features a vehicle-specific design to perfectly fit certain years of the Cadillac XT4 (factory tow package required; to verify vehicle compatibility, see the CURT application guide or use the Vehicle Lookup on the CURT website). It uses an OEM-compatible connector to plug into the vehicle's OEM socket and provides a standard 4-way flat output to power the taillights, brake lights and turn signals on your trailer. To complete this custom wiring connector, it comes with a rubber dust cover. This cover keeps the connection points clean and well protected when the connector is not in use. Once installed, the connector can also be conveniently mounted on the vehicle's trailer hitch receiver tube, using a CURT Easy-Mount connector bracket. The bracket mounts onto the trailer hitch with no drilling required, and its powder-coated steel construction provides a solid attachment point for plugging in the trailer wiring., CUSTOM 4-FLAT, SELECT CADILLAC XT4, OEM TOW PACKAGE REQUIRED - Plugs into existing OEM vehicle socket to provide a 4-way flat socket. Simple plug-and-play design eliminates the need for cutting or splicing. 4-way flat output connects tail lights, brake lights and turn signals Dust cover included to keep connector clean when not in use Backed by a limited one-year warranty. Notes: Factory (OEM) tow package required for installation.

CURT custom wiring provides everything you need to connect your vehicle's electrical system to a trailer. With a plug-and-play connector, a custom wiring connector easily integrates with your vehicle to provide a standard trailer wiring connector, typically in the form of a 4-way flat. This custom wiring connector features a vehicle-specific design to perfectly fit certain years of the Land Rover Evoque It uses an OEM-compatible connector to plug into the vehicle's OEM socket and provides a standard 4-way flat output to power the taillights, brake lights and turn signals on your trailer. To complete this custom wiring connector, it comes with a rubber dust cover. This cover keeps the connection points clean and well protected when the connector is not in use. Once installed, the connector can also be conveniently mounted on the vehicle's trailer hitch receiver tube, using a CURT Easy-Mount connector bracket. The bracket mounts onto the trailer hitch with no drilling required, and its powder-coated steel construction provides a solid attachment point for plugging in the trailer wiring., CUSTOM 4-FLAT, SELECT LAND ROVER EVOQUE, OEM TOW PACKAGE REQUIRED #56159 Plugs into existing OEM vehicle socket to provide a 4-way flat socket. Simple plug-and-play design eliminates the need for cutting or splicing. 4-way flat output connects tail lights, brake lights and turn signals. Dust cover included to keep connector clean when not in use. Backed by a limited one-year warranty. Notes: Factory (OEM) tow package required for installation.

CURT custom wiring provides everything you need to connect your vehicle's electrical system to a trailer. With a plug-and-play connector, a custom wiring connector easily integrates with your vehicle to provide a standard trailer wiring connector, typically in the form of a 4-way flat. This custom wiring connector features a vehicle-specific design to perfectly fit certain years of the Nissan Frontier, Nissan Pathfinder, Nissan Xterra and Suzuki Equator It uses an OEM-compatible connector to plug into the vehicle's OEM socket and provides a standard 4-way flat output to power the taillights, brake lights and turn signals on your trailer. To complete this custom wiring connector, it comes with a rubber dust cover. This cover keeps the connection points clean and well protected when the connector is not in use. Once installed, the connector can also be conveniently mounted on the vehicle's trailer hitch receiver tube, using a CURT Easy-Mount connector bracket. The bracket mounts onto the trailer hitch with no drilling required, and its powder-coated steel construction provides a solid attachment point for plugging in the trailer wiring., CUSTOM 4-FLAT, SELECT NISSAN AND SUZUKI VEHICLES, OEM TOW PACKAGE REQUIRED #56225 Plugs into existing OEM vehicle socket to provide a 4-way flat socket. Simple plug-and-play design eliminates the need for cutting or splicing. 4-way flat output connects tail lights, brake lights and turn signals. Dust cover included to keep connector clean when not in use. Slit loom keeps wires contained and well protected. Backed by a limited one-year warranty. Notes: Factory (OEM) tow package required for installation.

CURT custom wiring provides everything you need to connect your vehicle's electrical system to a trailer. With a plug-and-play connector, a custom wiring connector easily integrates with your vehicle to provide a standard trailer wiring connector, typically in the form of a 4-way flat. This custom wiring connector features a vehicle-specific design to perfectly fit certain years of the Nissan Frontier, Pathfinder, Xterra and Suzuki Equator (to verify vehicle compatibility, see the CURT application guide or use the Vehicle Lookup). It uses an OEM-compatible connector to plug into the vehicle's OEM socket and provides a standard 7-way RV blade output to power the taillights, brake lights, turn signals, trailer brakes, auxiliary and other electrical functions on your trailer. To complete this custom wiring connector, it comes with a spring-loaded dust cover. This cover keeps the connection points clean and well protected when the connector is not in use. Once installed, the connector can also be conveniently mounted on the vehicle's trailer hitch receiver tube, using a CURT Easy-Mount connector bracket. The bracket mounts onto the trailer hitch with no drilling required, and its powder-coated steel construction provides a solid attachment point for plugging in the trailer wiring., CUSTOM 7-WAY RV BLADE, SELECT NISSAN AND SUZUKI, OEM TOW PACKAGE REQUIRED #56226 Plugs into existing OEM vehicle socket to provide a 7-way RV blade socket. Simple plug-and-play design eliminates the need for cutting or splicing. 7-way connects tail, brake, reverse, turn signals, brakes and auxiliary power. Spring-loaded dust cover keeps connector clean when not in use. Slit loom keeps wires contained and well protected. Backed by a limited one-year warranty. Notes: Factory (OEM) tow package required for installation.

If you're towing your vehicle along for your next RV adventure, Bring It with CURT! CURT towed-vehicle RV harnesses are the ideal solution to connecting your vehicle's electrical system to your RV while dinghy towing. Each RV harness is made for vehicle-specific application, using OEM-compatible plugs to "T" into the vehicle's wiring without any need for cutting or splicing. This particular RV dinghy tow wiring harness is designed for select years of the Ford F-250 Super Duty and F-350 Super Duty with backup sensors (see application info to verify fitment). With a towed-vehicle RV harness installed, hitching up your vehicle behind your RV is fast and easy. Simply plug the provided 4-way flat connector from the front of the vehicle into the RV's 4-way flat socket. The RV harness uses the vehicle's existing tail lights, turn signals and brake lights, eliminating the need to purchase additional lighting. The vehicle's lights are able to operate in conjunction with your RV's lights, signaling other drivers and functioning just like a standard trailer in tow. The simple plug-and-play design of CURT towed-vehicle RV harnesses makes installation a breeze, but these custom harnesses are also built for lasting durability. Each harness features integrated block diodes. These diodes isolate the vehicle's electronics from the RV signals in a way that protects them from overheating and short circuiting. Each CURT towed-vehicle RV harness comes with a 4-way flat extension to reach the RV connector socket, a mounting bracket to help keep the wires ordered and protected on your vehicle and all the necessary hardware for a complete installation., CUSTOM RV WIRING HARNESS, SELECT FORD F-250, F-350 WITH BACKUP SENSORS. Connects a towed vehicle to an RV using a standard 4-way flat trailer plug. Simple plug-and-play design eliminates the need for cutting or splicing. Integrated block diodes isolate sensitive vehicle electronics from RV signals. Uses towed vehicle's existing taillights, brake lights and turn signals. Notes: Includes harness, 4-flat extension, mounting bracket and hardware

With a towed-vehicle RV harness installed, hitching up your vehicle behind your RV is fast and easy. Simply plug the provided 4-way flat connector from the front of the vehicle into the RV's 4-way flat socket. The RV harness uses the vehicle's existing tail lights, turn signals and brake lights, eliminating the need to purchase additional lighting. The vehicle's lights are able to operate in conjunction with your RV's lights, signaling other drivers and functioning just like a standard trailer in tow. The simple plug-and-play design of CURT towed-vehicle RV harnesses makes installation a breeze, but these custom harnesses are also built for lasting durability. Each harness features integrated block diodes. These diodes isolate the vehicle's electronics from the RV signals in a way that protects them from overheating and short circuiting. Each CURT towed-vehicle RV harness comes with a 4-way flat extension to reach the RV connector socket, a mounting bracket to help keep the wires ordered and protected on your vehicle and all the necessary hardware for a complete installation., CUSTOM TOWED-VEHICLE RV WIRING HARNESS, SELECT JEEP COMPASS #58997 Connects a towed vehicle to an RV using a standard 4-way flat trailer plug. Simple plug-and-play design eliminates the need for cutting or splicing. Integrated block diodes isolate sensitive vehicle electronics from RV signals. Uses towed vehicle's existing taillights, brake lights and turn signals. Notes: Includes harness, 4-flat extension, mounting bracket and hardware.

CURT custom wiring provides everything you need to connect your vehicle's electrical system to a trailer. With plug-and-play connectors, a custom wiring harness easily integrates with your vehicle taillights to provide a standard trailer wiring connector, typically in the form of a 4-way flat. This custom wiring harness features a vehicle-specific design to perfectly fit certain years of the Ford Edge Titanium (to verify vehicle compatibility, see the CURT application guide or use the Vehicle Lookup on the CURT website). It uses OEM-compatible connectors to "T" into the vehicle's taillight assembly and provides a standard 4-way flat output to power the taillights, brake lights and turn signals on your trailer. To complete this custom wiring harness, it comes with a rubber dust cover. This cover keeps the connection points clean and well protected when the connector is not in use. Once installed, the connector can also be conveniently mounted on the vehicle's trailer hitch receiver tube, using a CURT Easy-Mount connector bracket. The bracket mounts onto the trailer hitch with no drilling required, and its powder-coated steel construction provides a solid attachment point for plugging in the trailer wiring., CUSTOM WIRING HARNESS, 4-WAY FLAT OUTPUT, SELECT FORD EDGE TITANIUM #56437 - Plugs into vehicle tail light assembly to provide a 4-way flat socket. Simple plug-and-play design eliminates the need for cutting or splicing. 4-way flat output connects tail lights, brake lights and turn signals. Equipped with tail light converter for vehicle-trailer compatibility. Constructed with SMT circuitry for better performance and durability. Dust cover included to keep connector clean when not in use. Backed by a limited one-year warranty. Notes: Vehicle battery connection required. Includes fuse holder, battery connection wiring and other necessary wiring components.

CURT custom wiring provides everything you need to connect your vehicle's electrical system to a trailer. With plug-and-play connectors, a custom wiring harness easily integrates with your vehicle taillights to provide a standard trailer wiring connector, typically in the form of a 4-way flat. This custom wiring harness features a vehicle-specific design to perfectly fit certain years of the Mazda 3 (to verify vehicle compatibility, see the CURT application guide or use the Vehicle Lookup on the CURT website). It uses OEM-compatible connectors to "T" into the vehicle's taillight assembly and provides a standard 4-way flat output to power the taillights, brake lights and turn signals on your trailer. To complete this custom wiring harness, it comes with a rubber dust cover. This cover keeps the connection points clean and well protected when the connector is not in use. Once installed, the connector can also be conveniently mounted on the vehicle's trailer hitch receiver tube, using a CURT Easy-Mount connector bracket. The bracket mounts onto the trailer hitch with no drilling required, and its powder-coated steel construction provides a solid attachment point for plugging in the trailer wiring., CUSTOM WIRING HARNESS, 4-WAY FLAT OUTPUT, SELECT MAZDA 3 #56435 - Plugs into vehicle tail light assembly to provide a 4-way flat socket. Simple plug-and-play design eliminates the need for cutting or splicing. 4-way flat output connects tail lights, brake lights and turn signals. Equipped with tail light converter for vehicle-trailer compatibility. Constructed with SMT circuitry for better performance and durability. Dust cover included to keep connector clean when not in use. Backed by a limited one-year warranty. Notes: Vehicle battery connection required. Includes fuse holder, battery connection wiring and other necessary wiring components.