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 TR20117   TR20117  

7 Way Trailer Connector Vehicle Tester

Tow Ready Tools

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12 reviews


Code:   TR20117

Retail:$16.86

Price:$12.99

Shipping Weight: 1 pounds

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Tow Ready Tools - TR20117

Tow Ready 7 Way Car End Tester by Draw-Tite, Hidden Hitch and Reese

A circuit tester that plugs into the 7-way trailer connector on the vehicle and emulates a trailer. The lights let you know what functions (brake, turn, tail, stop, reverse and 12V) are working properly and what functions are not.

  • 7-way circuit tester

Replaces # 18179



Video of 7 Way Trailer Connector Vehicle Tester


Videos are provided as a guide only. Refer to manufacturer
installation instructions and specs for complete information.

Video review of tow ready seven way tester 20117
Tow Ready 7 Way Trailer Connector Tester Review

Video Transcript for Tow Ready 7 Way Trailer Connector Tester Review

This is great for anyone who has a seven pole on their pickup which hasnt been used in a while and want to test it before they head down the road with a trailer. Also if you do hook up your trailer and it does not work for whatever reason, you can use this to tell if the truck is working or if its your trailer thats not working. Its a really handy tool to keep in your toolbox. Well go ahead and install it and show you how it works. Basically you install this on your seven pole as you would a trailer. Now well go through the functions and show you how it works. First well try the running lights, then the brake lights then well do the individual turn signals. This should be left turn and then right turn. Now we will try reverse. This product tests for the following functions: left and right turn, running lights, brake lights, reverse lights, and your twelve volt hot lead which is not installed on this vehicle. There you have it for part # TR20117.






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Customer Reviews  -  Write a review about this product

7 Way Trailer Connector Vehicle Tester - TR20117

Average Customer Rating:  ratingratingratingratingrating4.7 out of 5 stars   (12 Customer Reviews)




7 Way Trailer Connector Vehicle Tester - TR20117

ratingratingratingratingrating by: Jim P.02/10/2011

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Works perfect! 6927



7 Way Trailer Connector Vehicle Tester - TR20117

ratingratingratingratingrating by: Dusty R.01/14/2011

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Fast and what I needed The product arrived super fast and was exactly what I needed to fix lighting issues on my trailer. No longer did I have to wire and rewire the connector to find the right places for the wire. Cut the working time down drastically.5471



7 Way Trailer Connector Vehicle Tester - TR20117

ratingratingratingratingrating by: Kenneth R01/12/2011

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Great Service My order was filledfast, with great followup and tracking. I'd have no problems ordering from you again. I used the truck, trailer plug tester at a local RV dealer and just had to have one. TThis way I can test all my lights, brakes before pulling the trailer from the shed.Thanks K.R.5398



7 Way Trailer Connector Vehicle Tester - TR20117

ratingratingratingratingrating by: charles hill12/21/2010

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tester this is a dreat product to check your ride to see if everything is working right. it checkes every funtion,you do have to have two people to check or do a lot of walking,4409



7 Way Trailer Connector Vehicle Tester - TR20117

ratingratingratingratingrating by: Bob02/04/2012

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Thank You for the Fast service and Great Deal THis is a real time saver as I had a problem and the plug helped me fix it "GREAT PRODUCT" Thanks 31076



7 Way Trailer Connector Vehicle Tester - TR20117

ratingratingratingratingrating by: mike a.02/04/2012

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awesome 31053



7 Way Trailer Connector Vehicle Tester - TR20117

ratingratingratingratingrating by: Archie L.09/28/2011

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This product works well I would recomend this to a freind.24814



7 Way Trailer Connector Vehicle Tester - TR20117

ratingratingratingratingrating by: Speedy05/12/2011

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This 7 way vehicle connection tester works great. I'm able to trace any poor or bad connections associated with my truck's trailer harness quickly. Low cost and quality design makes it a great tool to leave in the trucks toolbox in case I have future connection issues.13733



7 Way Trailer Connector Vehicle Tester - TR20117

ratingratingratingratingrating by: Mike M05/12/2011

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Works nicely, just as described. Great tool to keep in the toolbox.13731



7 Way Trailer Connector Vehicle Tester - TR20117

ratingratingratingratingrating by: Yup05/11/2011

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Just what I was looking for. 13615



7 Way Trailer Connector Vehicle Tester - TR20117

ratingratingratingratingrating by: Ed B.05/11/2011

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I have only used my tester twice, it worked great! My connector on my truck was hooked up right. My bosses was not. It was nice to be able to just plug it in w/out having to hook up a trailer. It is a great compliment to anyones toolbox.13556



7 Way Trailer Connector Vehicle Tester - TR20117

ratingratingratingratingrating by: Ross B.04/21/2011

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easy to use, the lights make it easy to identify problem areas12161




Ask the Experts about this Tow Ready Tools


  • No Power To The 12 Volt Terminal On The 7-Way Vehicle End Connector
  • The 12 volt power lead on the 7-Way will be the terminal that supplies power for trailer interior lights, trailer battery charging. If you are looking at the 7-Way on your vehicle the 12 volt power terminal is the #4 (black) pin located at the 1:00 position. It is normally either a black or red wire. See the picture to the right of a typical 7-Way and it will show the terminal locations and what each function is. I am including a video link on how to wire a 7-Way vehicle end connector. If
    view full answer...

  • Comparison of the Tekonsha 7-Way Trailer Emulator # 6562 and the Tow Ready 7 Way Tester TR20117
  • Yes, both the Tekonsha 7-Way Trailer Emulator, item # 6562, and the Tow Ready 7 Way Tester, item # TR20117, will test the function of the left turn and stop, right turn and stop, tail/marker lights, 12 volt power, electric brake, and the backup circuit in the 7-Way vehicle side connector. With both testers, the electric brake test will tell you that the circuit is supplying power for the trailer brakes at the plug, but will not check for actual, or correct, voltage. A multi-meter, item # BTMT
    view full answer...

  • Using Tow Ready Trailer Connector Tester Part # TR20117 to Diagnose OEM Brake Controller Problem
  • The Tow Ready 7-Way Connector Tester will draw enough power to simulate a trailer. Another option would be to try a different trailer on your truck. If the same problems appear, you will have eliminated the trailer as being the problem. I would also recommend you check the trailer connector on the vehicle and the trailer, making sure neither is damaged or corroded. If you can see any white or green corrosion on the pins or sockets of the connectors, there is a chance that the corrosion ha
    view full answer...

  • Will Tow Ready 7 Way Connector Vehicle Tester # TR20117 Test If a Brake Controller is Working
  • The Tow Ready 7 Way Trailer Connector Vehicle Tester, part # TR20117, will test the 7-Way connector on your 2008 Ford Super Duty to make sure all the functions are working and the terminals are wired properly. It will tell you if you have 12 volt power and brake lights at the 7-Way which is needed for a brake controller. It does not test to tell if your brake controller is working or not. You will need to test your brake controller separately. I am including a link to a video that will show
    view full answer...

  • Trailer Lights Stay on Once Vehicle Ignition is Shut Off
  • I suspect your problem is caused by a damaged or corroded trailer connector. Take a look at your trailer connectors, both the socket on your truck as well as the plug on the trailer. Look for green or white corrosion on the pins or sockets of the connectors. If corrosion is visible, there is a strong possibility that the corrosion has spread to the interior of the connector. The terminals that each individual circuit connects to are very close together, if corrosion builds up on the terminals
    view full answer...






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