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Hopkins Smart Light Trailer Tail Light w Test Lights - 7 Function - Submersible - Driver's Side

Retail: $49.05
Our Price: $23.07
In Stock
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: Trailer light 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
  • Tail Lights
  • Square
  • Red
  • 4-1/2L x 5-3/8W Inch
  • Surface Mount
  • Submersible Lights
  • License Plate
  • Side Reflector
  • Side Marker
  • Turn
  • Stop
  • Rear Reflector
  • Tail
  • Hopkins

Hopkins Smart Light Trailer Tail Light w Test Lights - 8 Function - Submersible - Driver's Side

Our Price: $23.22
In Stock
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: Trailer light serves 8 functions Stop light Tail light Turn signal Side marker Side reflex reflector Rear reflex reflector Rear clearance License plate light Built-in test lights let you
  • Tail Lights
  • Square
  • Red
  • 4-1/2L x 5-3/8W Inch
  • Surface Mount
  • Submersible Lights
  • Rear Clearance
  • Side Marker
  • Stop
  • License Plate
  • Tail
  • Side Reflector
  • Turn
  • Rear Reflector
  • Hopkins

Hopkins 7-Way RV Style Connector w/ Molded Cable and LED Test Lights - Trailer End - 6' Long

Our Price: $55.83
In Stock
The LED test lights on this molded, 7-way, RV-style, trailer-end connector confirm connectivity between your trailer and vehicle for simple troubleshooting. Durable cable covering resists damage.Features: Pre-wired, 7-way, blade-style, trailer-end connector allows you to connect your trailer to your vehicle Built-in LED lights provide easy troubleshooting Illuminate to verify that the
  • Trailer Connectors
  • 7 Blade
  • Trailer End Connector
  • Hopkins

Hopkins 5-Way Flat Trailer Connector w/ LED Test Lights - Trailer End - 24"

Retail: $68.66
Our Price: $22.87
In Stock
Built-in LED lights on this 5-way flat connector let you know if power is being received from the tow vehicle. Separate lights illuminate to verify power to each function on your trailer for easy ...
surge brake actuator with solenoid Built-in, red LED lights offer easy troubleshooting Illuminate to verify that the connector is receiving power from the tow vehicle Labeled for each function on your
  • Trailer Connectors
  • 5 Flat
  • Trailer End Connector
  • Hopkins

Hopkins 7-Way RV to 4-Way Flat Trailer Connector Adapter with LED Test Lights

Retail: $36.27
Our Price: $27.67
In Stock
Quickly convert your 7-way, blade-style connector to a 4-pole flat vehicle-end connector. Integrated LED lights let you easily test connection. Protective braided cable is flexible for additional ...
Features: Adapter converts your 7-pole, blade-style, vehicle-end connector for use with a 4-way flat connector on your trailer Built-in LED lights provide easy troubleshooting Lights up to verify
  • Wiring Adapters
  • Universal Fit
  • 4 Flat to 7 Blade
  • Hopkins

Hopkins 7-Way RV to 4-Way Flat Trailer Connector Adapter with LED Test Lights

Retail: $37.11
Our Price: $22.49
Quickly convert your 7-way, blade-style connector to a 4-pole flat vehicle-end connector. Integrated LED lights let you easily test connection. Protective braided cable is flexible for additional ...
Features: Adapter converts your 7-pole, blade-style, vehicle-end connector for use with a 4-way flat connector on your trailer Built-in LED lights provide easy troubleshooting Lights up to verify
  • Wiring Adapters
  • Universal Fit
  • 4 Flat to 7 Blade
  • Hopkins

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.

Kenny
Kenny etrailer team member
Kenny etrailer team member

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Installations

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Customers Helped

Any questions? Chat us from Missouri

Hopkins 4-Way Flat Trailer Connector w/ LED Test Lights - Trailer End - 24"

Retail: $24.86
Our Price: $8.70
Built-in LED lights on this 4-way flat connector let you know if power is being received from the tow vehicle. Separate lights illuminate to verify power to each function on your trailer for easy ...
Features: 4-Way flat trailer-end connector plugs into the 4-way flat on your vehicle Built-in, red LED lights offer easy troubleshooting Illuminate to verify that the connector is receiving power
  • Trailer Connectors
  • 4 Flat
  • Trailer End Connector
  • Hopkins

Hopkins 7-Way RV Style Trailer Connector w/ LED Test Lights - Trailer End

Retail: $37.94
Our Price: $22.13
Built-in LED lights on this 7-blade connector let you know if power is being received from the tow vehicle. Separate lights illuminate to verify power to each function on your trailer for easy ...
separate testing tools. Then activate each function on your vehicle and a red light will come on if power for that function is being received by the connector. If there is power going into the connector for
  • Trailer Connectors
  • 7 Blade
  • Trailer End Connector
  • Hopkins

Hopkins 7-Way RV Style Connector w/ Molded Cable and LED Test Lights - Trailer End - 8' Long

Our Price: $68.86
The LED test lights on this molded, 7-way, RV-style, trailer-end connector confirm connectivity between your trailer and vehicle for simple troubleshooting. Durable cable covering resists damage.Features: Pre-wired, 7-way, blade-style, trailer-end connector allows you to connect your trailer to your vehicle Built-in LED lights provide easy troubleshooting Illuminate to verify that the
  • Trailer Connectors
  • 7 Blade
  • Trailer End Connector
  • Hopkins

Hopkins Tow Doctor Trailer End Test Unit

Retail: $637.69
Our Price: $512.32
Features: Allows one person to check that trailer wiring and functions are working correctly Tests all trailer functions: right turn, left turn, brake, tail, backup lights; electric brakes and
  • Testers
  • Tow Function Tester
  • Hopkins

Tekonsha 7-Way, RV-Style Tester for Brake Controllers - LED Test Lights

Retail: $74.21
Our Price: $55.63
In Stock
Use this tester to check the connection between your tow vehicle's 7-pole, blade-style connector and your brake controller. Tester emulates trailer to confirm connectivity. LED lights illuminate ...
trailer Also checks the functions of your 7-way connection Built-in, red LED lights offer easy troubleshooting LEDs illuminate to confirm each function is working Compatible with Tekonsha and Draw-Tite
  • Testers
  • Black
  • Tow Function Tester
  • Tekonsha

Hopkins Tow Doctor Vehicle End Test Unit

Retail: $366.79
Our Price: $259.50
In Stock
Allows one person to check that a vehicle wiring harness has been installed properly and all functions are working Tests all tow vehicle functions: ground, auxiliary power, brake, direction, and
  • Testers
  • Tow Function Tester
  • Hopkins

Adapter 4 Pole to 7 Pole and 4 Pole w/Test Lamps

Retail: $62.95
Our Price: $42.73
In Stock
This multi-function, vehicle-end connector converts any 4-way flat, vehicle-end plug to a combination 7-way outlet and 4-pole flat outlet.Features: Adapts 4-way flat to both 7-way round and 4-way flat Includes integrated test lamps which display proper connections Shows if the wiring on your trailer isn't working properly - burned
  • Wiring Adapters
  • Universal Fit
  • 4 Flat to 7 Blade
  • 4 Flat to 4 Flat
  • CURT

7-Pole, Round-Pin Adapter for Hopkins Tow Doctor Vehicle-End Test Unit

Retail: $77.07
Our Price: $53.76
In Stock
This adapter lets you test a 7-way, round-pin, vehicle-end connector to ensure that all the wiring functions are working properly. Plugs into the extension cord on your Hopkins Tow Doctor wire ...
Features: Lets you test a 7-way, round-pin, vehicle-end connector with your Hopkins Tow Doctor vehicle-end wiring tester (HM50918; sold separately) Ensures that vehicle plug has been installed
  • Testers
  • Black
  • Tow Function Tester
  • Hopkins

Adapter 4 Way to 7-Blade RV Connector w/Test Lamps

Retail: $56.37
Our Price: $37.15
In Stock
This vehicle-end connector converts any 4-way flat, vehicle-end plug to a 7-blade RV connector outlet.Features: Adapts 4-way flat to a 7-blade RV connector Includes integrated test lamps which display proper connections Shows if the wiring on your RV isn't working properly - burned out bulbs
  • Wiring Adapters
  • Universal Fit
  • 4 Flat to 7 Blade
  • CURT

Digital Multimeter with 42" Long Test Leads - LED Display

Retail: $41.51
Our Price: $21.22
In Stock
  • Testers
  • Yellow
  • Multimeter
  • Performance Tool

4-Way Flat Adapter for Hopkins Tow Doctor Trailer End Test Unit

Our Price: $34.65
In Stock
Features: Fits Hopkins Tow Doctor Trailer End Test Unit (HM50928) Quantity: (1) 4-way flat adapter
  • Testers
  • Tow Function Tester
  • Hopkins

7-Way Adapter for Hopkins Tow Doctor Trailer End Test Unit

Our Price: $58.25
In Stock
Features: Fits Hopkins Tow Doctor Trailer End Test Unit (HM50928) Quantity: (1) 7-way adapter
  • Testers
  • Tow Function Tester
  • Hopkins

Digital Multimeter with 42" Long Test Leads - XL LCD Display

Retail: $72.81
Our Price: $40.45
In Stock
  • Testers
  • Yellow
  • Multimeter
  • Performance Tool

6-Way Round Adapter for Hopkins Tow Doctor Trailer End Test Unit

Our Price: $34.59
Features: Fits Hopkins Tow Doctor Trailer End Test Unit (HM50928) Quantity: (1) 6-way round adapter
  • Testers
  • Tow Function Tester
  • Hopkins

Hopkins Smart Light Trailer Tail Light w Testers - 6 Function - Submersible - Passenger's Side

Our Price: $21.85
In Stock
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: Trailer light 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
  • Tail Lights
  • Square
  • Red
  • 4-1/2L x 5-3/8W Inch
  • Surface Mount
  • Submersible Lights
  • Stop
  • Side Reflector
  • Rear Reflector
  • Turn
  • Side Marker
  • Tail
  • Hopkins

Combination LED Trailer Tail Light - Submersible - 7 Function - 14 Diodes - Driver Side

Our Price: $36.59
In Stock
5-1/4" x 4-3/4" Square. Waterproof trailer light serves 7 functions: stop, turn, tail, rear reflex, side marker, side reflex, and license plate light. Stud mount on 2" centers. 2-Wire ...
Features: Square combination trailer tail light serves 7 functions Stop light, turn signal light, tail light, rear reflex marker, side marker light, side reflex reflector, and license plate
  • Tail Lights
  • Square
  • Red
  • 5L x 4-1/2W Inch
  • Pedestal Mount
  • Submersible Lights
  • Rear Reflector
  • Tail
  • Stop
  • Side Marker
  • Side Reflector
  • Turn
  • Optronics

Hopkins Smart Light Trailer Tail Light w Testers - 7 Function - Submersible - Passenger's Side

Our Price: $21.58
In Stock
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: Trailer light 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
  • Tail Lights
  • Square
  • Red
  • 4-1/2L x 5-3/8W Inch
  • Surface Mount
  • Submersible Lights
  • Side Marker
  • License Plate
  • Rear Reflector
  • Turn
  • Tail
  • Stop
  • Side Reflector
  • Hopkins

Performance Tool W2973C 6/12V Circuit Tester 'n Probe Light for Cars, Trucks, Tractors & RVs

Retail: $6.54
Our Price: $3.77
In Stock
... secure, hands-free testing on 6V and 12V setups.Features: Compatible with 6-volt and 12-volt DC systems Insulated probe safely pierces wire insulation for in-line circuit testing Attached test lead includes an alligator clip for quick grounding
  • Testers
  • Circuit Tester
  • Performance Tool