When you want to find trailer plug tester with 7 blades, you may need to consider between many choices. Finding the best trailer plug tester with 7 blades is not an easy task. In this post, we create a very short list about top 10 the best trailer plug tester with 7 blades for you. You can check detail product features, product specifications and also our voting for each product. Let’s start with following top 10 trailer plug tester with 7 blades:

Best trailer plug tester with 7 blades

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1. CURT 58270 7-Way RV Blade Connector Tester

Feature

Confirms proper vehicle and trailer electrical function
Tests 7-way for tail, brake, reverse, turn signals, brakes and auxiliary power
Features a label for each LED, indicating the intended function
Constructed with LED lights for long-lasting use

Description

Part of towing responsibly is making sure your trailer lights are working properly. Whether you have just installed a new vehicle-to-trailer wiring harness or are trying to locate the cause of an electrical problem, CURT connector testers are great for testing tail lights, turn signals, brake lights, ground connections and other electrical components on your vehicle and trailer.A connector tester works by plugging into the connector socket on your vehicle and responding to the various electrical signals produced by pushing the brake pedal, signaling a turn, turning on the running lights and so on. When the socket is getting proper power, the tester's various LEDs will light up corresponding to each wire in the connector. Testing your vehicle-side socket is essential after installing a new custom vehicle-to-trailer wiring harness and is highly recommended every time you hitch up to tow. Also, if you are experiencing electrical problems with your trailer, a CURT tester will be able to tell you whether the problem is rooted in your vehicle's electrical system or if your trailer needs some rewiring.All CURT connector testers come with LED lights to be bright and long-lasting. Wire testers are available for 4-way flat, 5-way flat, 6-way round and 7-way RV blade connectors. This particular electrical tester fits a 7-way RV blade socket and comes with quality plastic construction.

2. CURT 58271 7-Way RV Blade Connector Tester

Feature

Confirms proper vehicle and trailer electrical function
Tests 7-way for tail, brake, reverse, turn signals, brakes and auxiliary power
Features a label for each LED, indicating the intended function
Constructed with LED lights for long-lasting use

Description

Part of towing responsibly is making sure your trailer lights are working properly. Whether you have just installed a new vehicle-to-trailer wiring harness or are trying to locate the cause of an electrical problem, CURT connector testers are great for testing tail lights, turn signals, brake lights, ground connections and other electrical components on your vehicle and trailer.A connector tester works by plugging into the connector socket on your vehicle and responding to the various electrical signals produced by pushing the brake pedal, signaling a turn, turning on the running lights and so on. When the socket is getting proper power, the tester's various LEDs will light up corresponding to each wire in the connector. Testing your vehicle-side socket is essential after installing a new custom vehicle-to-trailer wiring harness and is highly recommended every time you hitch up to tow. Also, if you are experiencing electrical problems with your trailer, a CURT tester will be able to tell you whether the problem is rooted in your vehicle's electrical system or if your trailer needs some rewiring.All CURT connector testers come with LED lights to be bright and long-lasting. Wire testers are available for 4-way flat, 5-way flat, 6-way round and 7-way RV blade connectors. This particular electrical tester fits a 7-way RV blade socket and comes with quality plastic construction.

3. MICTUNING 7 Way Blade Trailer Connector Tester with Red LEDs

Feature

FUNCTIONAL DESIGN - MICTUNING Trailer connector tester helps you confirm proper vehicle and trailer electrical function. Allows you easily and quickly to diagnose and fix problems of trailer socket circuits, no need to go to an expensive repair shop, save your money a lot
MULTIPURPOSE USE - This 7 way blade trailer wiring tester tests for tail lights, brake lights, reverse lights, turn signals, brakes and auxiliary power. Small size design make it toss in glove compartment, pocket or tool box conveniently
QUICK IDENTIFICATION - Features 6 bright LED indicators. Clear and obvious labeling of each light enable you quickly to identify the circuits that is under normal or faulty working condition
EASY TESTING - Just plug the 7 way trailer tester into the tow vehicle, check the LEDs to see whether they are working or not. Compatible with standard 7-way blade trailer sockets
DURABLE AND STURDY - Plastic body with optimal weather, corrosion, and impact resistance to last for long time use. Nickel-plated copper pins not only increase conductivity but also anti- wear & anti-corrosion

Description

MICTUNING Heavy Duty 7 Way BladeTrailer Tester Connector
When you're going to hitch a new trailer, all electrical components on your trailer should be tested before working.
MICTUNING 7 way trailer connector testers for testing tail lights, turn signals, brake lights, ground connections and other electrical components on trailer.
Instead of checking individual fuses, wiring and connectors, you simply plug this tester into tow vehicle and led indicator will show the corresponding circuits work or don't.
Take this small lightweight 7 way trailer tester light circuit connector wherever you go and own peace of mind!!!

Features 6 LEDs, testing circuit for the tail lights, brake lights, reserve lights, left turn signal, right turn signal and auxiliary power.
It works by plugging in the connector socket of your vehicle end and seeing the lights display.
Each of the indicator light with clear labeling to tell you which of your towing vehicle lights work or don't. If socket is getting proper power, the tester's various LEDs will light up.
When you're going to hitch a new trailer, you own peace of mind because you make sure the lights are connected properly

Functional Labeling :
BU: Back up or reverse circuit center pole
RT: Right turn/brake
T/M: Taillights
LT: Left turn/brake
BK: Brake controller output
12V: 12-volt power feed

4. Vehicle Trailer Wiring 7-Way Circuit Tester - 6 Function LED Indicators - Taiwan

5. CURT 58260 4-Way Flat Connector Tester

Feature

Confirms proper vehicle and trailer electrical function
Tests 4-way flat connection for tail lights, brake lights and turn signals
Constructed with LED lights for long-lasting use

Description

Part of towing responsibly is making sure your trailer lights are working properly. Whether you have just installed a new vehicle-to-trailer wiring harness or are trying to locate the cause of an electrical problem, CURT connector testers are great for testing tail lights, turn signals, brake lights, ground connections and other electrical components on your vehicle and trailer.A connector tester works by plugging into the connector socket on your vehicle and responding to the various electrical signals produced by pushing the brake pedal, signaling a turn, turning on the running lights and so on. When the socket is getting proper power, the tester's various LEDs will light up corresponding to each wire in the connector. Testing your vehicle-side socket is essential after installing a new custom vehicle-to-trailer wiring harness and is highly recommended every time you hitch up to tow. Also, if you are experiencing electrical problems with your trailer, a CURT tester will be able to tell you whether the problem is rooted in your vehicle's electrical system or if your trailer needs some rewiring.All CURT connector testers come with LED lights to be bright and long-lasting. Wire testers are available for 4-way flat, 5-way flat, 6-way round and 7-way RV blade connectors. This particular electrical tester fits a 4-way flat socket and comes with quality plastic construction.

6. Proline Power 7-Way Trailer Circuit Tester w/ 6 Function LED Indicator, 7-Blade Electric Wiring Adapter

Feature

SUPER EASY TRAILER LIGHT TESTING - Simply plug the tester into the tow vehicle, turn on the lights, and check the easy to read LEDs.
EASY TO READ - Watch the LED light indicating that each circuit is complete and current is getting to the plug. Includes function testing LEDs. Tests 7-way for tailer, brake, reverse, turn signals, brakes and auxiliary power.
UNIVERSAL - Works with both the common 7-way trailer plug used on most SUV's, trucks, boats, trailers and RV's.
COMPACT - Small size fits easily in glove compartment, pocket or tool box etc. Take the tester with you and always be prepared anywhere.
PROLINE WARRANTY & 100% SATISFACTION- Our 7-way Tester comes with a best in class limited LIFETIME warranty and amazing customer support from PROLINE. You ever have an issue with your tester send it back and will replace it at no charge.

Description

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7. IPA 7865L Circuit Tester

Feature

Plugs into vehicle-side socket
LEDs indicate that each circuit is working
Includes a brass jumper; allows bypassing of troubled circuitry while on the road
Eliminates guesswork
"Winged" grip for easy removal from electrical connector

Description

Test, clean and restore 7 round pin connections. This kit contains a trailer light tester that will verify the tow vehicle is sending proper signal to the connector, while cleaning tools remove corrosion and verify proper pin size on both male and female truck/trailer plugs. When added to your preventative maintenance techniques, it will keep your trailer lights on! For use with 7 round connectors.

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

Feature

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
It can simultaneously test 7-way for tail, brake, reverse, turn signals, brakes and auxiliary power, and also features a label for each LED, indicating the intended function,the super high quality LED lights can ensure you year of trouble-free operation
The AutoSonic 7 Way Trailer Plug Tester is made of durable and weather-resistantmaterials with second-to-none craftsmanship, which is going to ensure that this product is going to last for years 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

9. IIT 16687 7 Blade & 4 Pin Tester,

Feature

Easy to use
Has a typical lifetime of 10+ years
Checks if the vehicle's tow circuit is properly configured

Description

IIT 7 blade & 4 pin tester checks if the 12V power from the tow vehicle is reaching the trailer's tow plug.

10. Truck Trailer Vehicle Plug Tester 7 Round Blade 4 Pin Wire Light Brake RV Tow

Feature

Brand New
Excellent Quality
Fast Shipping

Description

Truck Trailer Vehicle Plug Tester 7 Round Blade 4 Pin Wire Light Brake RV Tow

Use this tester to check if 12v power from the tow vehicle is reaching the trailer's tow plug.
This tester also indicates if the vehicle's tow circuit is properly configured.
Easy to use: Plug tester into tow vehicle's towing plug, operate vehicle's turn signals, lights, and brakes.
When power is present, the tester's green LED will glow.
Tips: if LEDs are dim or flicker, check for loose or corroded ground wire.
To test the tester, use 12v batter charger to determine if LEDs power is up.

Conclusion

By our suggestions above, we hope that you can found the best trailer plug tester with 7 blades for you. Please don't forget to share your experience by comment in this post. Thank you!
Trevor Marshall