Top 8 7 Pin Trailer Plug Tester – Circuit Testers

As an Amazon Associate I earn from qualifying purchases.

1. IPA Tools

#ad

IPA 7865L Circuit Tester

#ad
IPA Tools #ad - Leds indicate that each circuit is working. Eliminates guesswork. Plugs into vehicle-side socket. Includes a brass jumper; allows bypassing of troubled circuitry while on the road. Winged” grip for easy removal from electrical connector.
BrandIPA Tools #ad
ManufacturerIPA #ad
Height2 Inches
Length9 Inches
Weight0.55 Pounds
Width4 Inches
Part Number7865L
Model7865L

2. ABN

#ad

Rotatable LED Display, ABN 12V 7 Way Flat Pin Connector Tester, Electrical Tester for Any 7 Way Adaptor

#ad
ABN #ad - Rotatable led display: offers easy troubleshooting and illuminates to verify that the connector is receiving power from the tow vehicle; Features a label for each LED, indicating the intended function. Corrosion-resistant: Terminals will withstand the elements. Easy to use: simple grip tabs allow for easy plug in and disconnect. Practical: the abn 12v 7 way connector tester confirms proper vehicle and trailer electrical function for 7-way tail, reverse, brakes, turn signals, and auxiliary power. Durable: Sturdy black plastic construction.
BrandABN #ad
ManufacturerABN #ad
Height1.75 Inches
Length5.25 Inches
Weight0.2 Pounds
Width3.25 Inches
Part Number1798

3. CURT

#ad

CURT 58271 Vehicle Socket Tester RV Blade 7-Way Towing Wiring Tester 7-Pin Trailer Wiring

#ad
CURT #ad - Simple to use. Durable housing. To resist the elements and maintain reliable performance, the housing of this tow wiring tester is made from durable black plastic that will never rust or corrode. Just plug the wiring tester into your vehicle's socket and have a helper check the LED signals as you activate them from the driver's seat.

Easy grip. To produce a bright, easy-to-read signal and ensure long-lasting use, this vehicle-trailer wiring tester is constructed with LED diodes. Long-lasting leds. Quickly and confidently confirm the functionality of your vehicle's trailer wiring harness with this connector tester for the taillights, reverse lights, turn signals, brake lights, electric trailer brakes and auxiliary power.

Plugging in this 7-way trailer light tester into your vehicle is easy with its ergonomic design. For each electrical function, an led lights up indicating a good signal. It features two hooks on either side of the tester for a better grip when plugging in or unplugging. Versatile.
BrandCURT #ad
ManufacturerCurt Manufacturing #ad
Height2 Inches
Length9 Inches
Weight0.55 Pounds
Width4 Inches
Part Number58271
Model58271
WarrantyOne-Year Limited Warranty

4. AutoSonic

#ad

7 Pin Blade Plug with Red LED, Weatherproof, 6 Function RV Connector Circuit Tester, RV Towing Wiring Tester, Trailer Hitch Wiring Tester, AutoSonic 7 Way Trailer Wiring Tester

#ad
AutoSonic #ad - It can simultaneously test 7-way for tail, indicating the intended function, turn signals, reverse, and also features a label for each LED, brakes and auxiliary power, brake, the super high quality LED lights can ensure you year of trouble-free operation.

Its plug & play function, super high quality nature makes it a must-have gadget for your towing vehicles, you'd be smart to get one for yourself and upgrade your towing experience. Go with autosoinc products & go with confidence: we are proud of our quality products and stand behind them, that’s why what you will also get is our unbeatable Lifetime Warranty Customer Service, the only one of its kind you can find on Amazon.

The autosonic 7 way trailer plug tester can easily help you to confirm the proper function of vehicle-side wiring connector, features a classic while compact design, it will perfectly fit a 7-way RV blade socket. The autosonic 7 way trailer plug tester is made of durable and weather-resistant materials with second-to-none craftsmanship, which is going to ensure that this product is going to last for years of trouble-free operation.
BrandAutoSonic #ad
ManufacturerAutoSonic Products #ad
Height1.6 Inches
Length5.3 Inches
Width3 Inches
Part NumberOGL-1073
Model8542120580

5. Miady

#ad

Miady Trailer Wiring Tester, Heavy Duty 7 Pin RV Blade Connector Circuit Tester Trailer Hitch Wiring Tester with LED Indicator

#ad
Miady #ad - Comfortable grip: equipped with two hooks on either side of the tester fits ergonomic design for better grip, easy plug in and disconnect, makes testing and troubleshooting easier. No need to. Just simply plug it into the bumper connection of the tow vehicle, brake lights, testing circuit for the tail lights, left turn signal, turn on the lights to be tested and check the LED lights on the tester.

Simple & clear led labels functions: miady 7 pin rv blade trailer wiring tester with led indicator features 6 leds, reserve lights, right turn signal and auxiliary power. Plug & play design: easy to plug it into the connector, turn on the vehicle lights and signals, and then the labeled LED tell you which connections are working so you don't have to guess.

Each of the indicator light with clear labeling to tell you which of your towing vehicle lights work or don't. Wide application: ideal for both the common 7-way trailer plug used on most SUV's, boats, trucks, trailers and RV's. Durability and corrosion-resistant: constructed with durable housing, corrosion, and impact resistance to last for long time use and ensuring it dependability for accurate wire circuit testing when you need it.
BrandMiady #ad
ManufacturerMiady #ad
Part Number7CTLED

6. Reese

#ad

7-Way Blade to 4- or 5-Way Flat, Reese Towpower 78118 Professional Wiring Adapter, LED Circuit Tester

#ad
Reese #ad - Durable construction: the reese Towpower Professional Writing Adapter is built with long-lasting corrosion-resistant terminals and tin-plated contacts.

Dimensions: 6. 5” x 2. 7” x 2. 5”. Built-in led tester: circuit tester instantly checks electrical circuit for connectivity and displays the status using high-visibility cool blue LEDs so you can adapt the trailer to vehicle quickly and confirm the connections are correct. Vehicle-to-trailer wiring: adapts any popular vehicle wiring system to your trailer, converting an OEM 7-way blade connector to a standard 4- or 5-way flat connector. Attached dust-cover: tethered dual-use dust cover keeps terminals clean and protected when not in use towing a trailer.
BrandReese #ad
ManufacturerReese Towpower #ad
Height2.5 Inches
Length6.5 Inches
Weight0.3 Pounds
Width2.7 Inches
Part Number78118
Model78118
Warranty1 Year

7. MICTUNING

#ad

8 Feet, Weatherproof, MICTUNING Heavy Duty 7 Way Plug Inline Trailer Cord with 7 Gang Junction Box

#ad
MICTUNING #ad - Best sealing performance - 4 open & 4 close rubber fitted grommets for option based on your wiring needs, 4x open Grommets, dustproof and corrosion resistant. Tidy your wire harness - 7-way copper blade molded into a heavy duty plug, provides a fast and simplified way for wires connection as well as keeping all your trailer wiring in order.

Cautions: pls read the plug diagram carefully and refer to the diagram to install this 7 way plug. What you'll get:2 year mictuning warranty and lifetime best customer service, 1 x 7-Way Trailer Plug with Junction Box, making the whole junction box waterproof, 4x Close Grommets. Flexible connection - 8ft long cord with soft and durable pvc housing that offers you plenty of flexibility to wire it from the front to the rear of your car.

Not like others, only 4ft or 6ft. Excellent construction - adopted flameproof ABS junction box and good conductivity copper with solid cord, perfect for RVs, trailers, caravans, stronger and rugged, campers, food vans and other towed vehicles. Convenient trailer wiring - sturdy junction box with color marked 7-poles that can be easily identified, gives you more convenience for wiring left/right turn light, brake signal lamp, tail light, reverse light, etc.
BrandMICTUNING #ad
ManufacturerMICTUNING #ad
Height1 Inches
Length80 Inches
Weight2.97 Pounds
Width2 Inches
Part NumberMIC-TWB-031
ModelMIC-TWB-031
Warranty2 Yr Warranty

8. CURT

#ad

CURT 58260 Vehicle Socket Tester 4-Way Flat Towing Wiring Tester 4-Pin Trailer Wiring

#ad
CURT #ad - For each electrical function, an led lights up indicating a good signal. To resist the elements and maintain reliable performance, the housing of this tow wiring tester is made from durable black plastic that will never rust or corrode.

Simple to use. Plugging in this 4-flat trailer light tester into your vehicle is easy with its ergonomic design. Long-lasting leds. It features a tab on the bottom for a better grip when plugging in or unplugging. Versatile. To produce a bright, easy-to-read signal and ensure long-lasting use, this vehicle-trailer wiring tester is constructed with LED diodes.

Quickly and confidently confirm the functionality of your vehicle's trailer wiring harness with this connector tester for the taillights, brake lights and turn signals. Durable housing. Easy grip. Just plug the wiring tester into your vehicle's socket and have a helper check the LED signals as you activate them from the driver's seat.
BrandCURT #ad
ManufacturerCurt Manufacturing #ad
Height4 Inches
Length6 Inches
Weight0.05 Pounds
Width6 Inches
Part Number58260
Model58260
WarrantyOne Year Limited