4-1/2" x 5-3/8" Square trailer tail light is submersible. Integrated LEDs indicate if there's a fault in your trailer wiring. For trailers more than 80" wide. Includes ... Features: Trailerlight serves 7 functions Stop light Tail light Turn signal Side marker Side reflex reflector Rear clearance Rear reflex reflector Built-in test lights let you troubleshoot Tail and
4-1/2" x 5-3/8" Square trailer tail light is submersible. Integrated LEDs indicate if there's a fault in your trailer wiring. For trailers less than 80" wide. Includes ... Features: Trailerlight serves 6 functions Stop light Tail light Turn signal Side marker Side reflex reflector Rear reflex reflector Built-in test lights let you troubleshoot Tail and stop/turn LEDs
4-1/2" x 5-3/8" Square trailer tail light is submersible. Integrated LEDs indicate if there's a fault in your trailer wiring. For trailers less than 80" wide. Includes ... Features: Trailerlight serves 7 functions Stop light Tail light Turn signal Side marker Side reflex reflector Rear reflex reflector License plate light Built-in test lights let you troubleshoot Tail
4-1/2" x 5-3/8" Square trailer tail light is submersible. Integrated LEDs indicate if there's a fault in your trailer wiring. For trailers more than 80" wide. Includes ... ; respectively) are the testers for the stop/turn and tail light functions. If both of these LEDs light up, and the trailerlight illuminates as well, then everything is working correctly and you're ready to
You're wiring up a trailer and need to know it's done right. This 7-way plug lights up to show which signals are live the second you connect. You crimp it, test it, and roll out knowing ... Highlights 7-Blade Connector: Standard trailer-end plug for lights, brakes, and power. Built-In LED Tester: Confirms active signals during hookup. Screw Terminals: Accepts blunt-cut wires for easy
The trailerlights are flickering again. You've replaced bulbs, checked grounds, and still no luck. Time to swap the plug. This 4-way flat connector comes with a built-in tester and 24 inches of ... Highlights 4-Way Flat Plug: Standard trailer-end connector. 24" Bonded Wire Lead: 18-gauge wire for stop, turn, and taillights. Built-In Wire Tester: Lets you verify light function during
Trailer Connectors
Trailer End Connector
4 Flat
TowSmart
New Arrivals — From Our Shop to You!
Chosen by folks who live and breathe this, just like you.
New Arrivals — From Our Shop to You!
Chosen by folks who live and breathe this, just like you.
The built-in tester on the 4-way flat in this kit lets you easily troubleshoot. Great for setups with LED or incandescent bulbs, this kit converts your vehicle's lighting system to match your ... Features: Provides a 4-way flat trailer connector at the back of your vehicle to power your trailer's signal lights Compatible with 5-pole, 6-pole, and 7-pole adapters (sold separately) Ensures
Increase the length of your 4-way flat connection by 12" with this extension loop. Large grip ring on trailer end provides maximum leverage when disconnecting. Built-in LED lights illuminate to ... lights on trailer end offer easy troubleshooting Lights illuminate to verify that the connection is working Labeled for each function on your vehicle Corrosion-resistant terminals are long-lasting Comes
Easily disconnect this 4-way flat trailer-end plug from your vehicle without damaging the terminals. Large grip ring provides maximum leverage when disconnecting. Built-in LED lights illuminate to ... broken terminals, and no damaged wires. Built-In LED Lights Illuminate to Verify Your Connection is Receiving Power Reduce the frustration associated with troubleshooting trailer wiring problems with this
You're rewiring a trailer from scratch or cleaning up a mess of splices. This 7-way gives you a fresh cable, sealed jacket, and built-in test lights. You wire it once, plug it in, and know its ... Highlights 7-Blade Connector: Standard plug for trailerlights, brakes, and 12V power. LED Tester Built In: Lights confirm signal function during hookup. Jacketed Cable: Sealed 72" wiring
You're chasing a light issue with no clue if it's the truck or trailer. You plug in the tester, hit the blinkers, and the LEDs show what's live. No guesswork. Just answers before you ... Trailer Wiring This compact plug-in tester helps you verify that your tow vehicles 4-way flat connector is working correctly. Plug it in, activate the lights in the cab, and the built-in LEDs will light up
Circuit tester plugs into your 4-way flat trailer wiring harness and identifies lighting problems. Labeled LED lights illuminate to show which functions are working properly.Features: Circuit tester plugs into your trailer's wiring harness to check the conductivity of all the circuits between your vehicle and your trailer Quickly identifies lighting problems Labeled
You've got a 4-flat on the vehicle and a 7-way on the trailer. No time to rewire. You grab this adapter, plug it in, and the built-in lights confirm the signals are live. Now you just need to ... converts your 4-flat vehicle wiring to fit a 7-way trailer plug. It's a plug-and-play solution for light-duty towing. The built-in LED tester confirms that brake lights, taillights, and turn signals are
Great for cars and trailers with either LED or incandescent bulbs, this kit converts your vehicle's lighting system to match your trailer's. It includes a 4-way flat, wire taps, and a power ... Features: Provides a 4-way flat trailer connector at the back of your vehicle to power your trailer's signal lights Compatible with 5-pole, 6-pole, and 7-pole adapters (sold separately) Ensures
Great for cars and trailers with either LED or incandescent bulbs, this kit converts your vehicle's lighting system to match your trailer's. It includes a 4-way flat, wire taps, and a power ... Features: Provides a 4-way flat trailer connector at the back of your vehicle to power your trailer's signal lights Compatible with 5-pole, 6-pole, and 7-pole adapters (sold separately) Ensures
Great for cars and trailers with either LED or incandescent bulbs, this tail light converter has a 60" 4-way flat harness. Designed for vehicles that have amber turn signals. Includes wire taps ... Features: Provides a 4-way flat trailer connector at the back of your vehicle to power your trailer's signal lights Compatible with 5-pole, 6-pole, and 7-pole adapaters (sold separately) Ensures
You're hooking up the trailer and the lights are dead. Could be the truck, could be the plug. This harness tells you fast. Built-in LEDs show what's live, and the grip makes it easy to ... Highlights 4-Way Flat Connector: Standard trailer-end wiring harness. Built-In LED Tester: Confirms active signals during hookup. Ergo Grip Handle: Makes connecting and disconnecting easier
This tester helps you to quickly identify problems in your trailer wiring. It tests the left turn, right turn, tail/marker, brake and backup circuits to indicate the level of current in each circuit ... Features: Helps to quickly identify problems in your trailer wiring Tests the left turn, right turn, tail/marker, brake and reverse light circuits on the trailer Works with incandescent and LED
Built to last, this tail light converter with a 76" 4-way flat harness is made using surface-mount technology. Designed for vehicles that have amber turn signals and incandescent bulbs. Includes ... Features: Provides a 4-way flat trailer connector at the back of your vehicle to power your trailer's signal lights Compatible with 5-pole, 6-pole, and 7-pole adapters (sold separately) Ensures
Built to last, this kit, made with surface-mount technology, converts your vehicle's lighting system to match your trailer's. It includes a 60" 4-way flat harness, wire taps, and a power ... Features: Provides a 4-way flat trailer connector at the back of your vehicle to power your trailer's signal lights Compatible with 5-pole, 6-pole, and 7-pole adapters (sold separately) Ensures
This tail light converter with a 72" 4-way flat harness converts your vehicle's lighting system to match your trailer's. Designed for vehicles that have amber turn signals. Installation ... Features: Provides a 4-way flat trailer connector at the back of your vehicle to power your trailer's signal lights Compatible with 5-pole, 6-pole, and 7-pole adapters (sold separately) Ensures
Built to last, this kit, made with surface-mount technology, converts your vehicle's lighting system to match your trailer's. It includes a 60" 4-way flat harness, wire taps, and a power ... Features: Provides a 4-way flat trailer connector at the back of your vehicle to power your trailer's signal lights Compatible with 5-pole, 6-pole, and 7-pole adapters (sold separately) Ensures
Great for cars and trailers with either LED or incandescent bulbs, this tail light converter has a 72" 4-way flat harness. Designed for vehicles that have amber turn signals. Installation ... Features: Provides a 4-way flat trailer connector at the back of your vehicle to power your trailer's signal lights Compatible with 5-pole, 6-pole, and 7-pole adapters (sold separately) Ensures
This 60" harness has a lighting converter built into the 4-way flat plug so you don't have to worry about mounting a separate box. Designed for vehicles that have amber turn signals ... Features: Provides a 4-way flat trailer connector at the back of your vehicle to power your trailer's signal lights Compatible with 5-pole, 6-pole, and 7-pole adapters (sold separately) Ensures
Filters
