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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.
Features:
Note: Designed for use with Tekonsha and Draw-Tite aftermarket brake controllers and Ford OEM brake controllers. May or May not work with other manufacturers brake controllers.
California residents: click here
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Today we're going to show you the 7-way trailer connector vehicle tester, part number TR20117 from Tow Ready. All right, this is a handy device to keep with your vehicle. You can use this to test your vehicle any time. For instance, you have a problem with your trailer, you're not too sure where to start. Go ahead and use this tool in your 7-pole connector in your truck to verify your truck is working fine, then you know it's on the trailer side. Now the indicators are going to be these LEDs right here.
They have their own markings. TM for the running light circuit or trailer marker lights. LT for left turn, twelve volt power supply, so something in your trailer may require twelve volts like the interior lights or something like that. BK for the output from your brake controller. BU for your backup lights, reverse lights, and RT for your right turn signal.
And bye the way, with the brake controller this test was actually designed for use with Draw-Tite or Tekonsha brake controllers, and also the Ford OEM brake controller as well. This may or may not work with other brands of brake controllers out there. Let's go ahead and plug it into our truck here and show how it works. Just like any other 7-pole connector, you just push it in place. Make sure it's fully installed. You can see where I already have a couple of lights showing up.
One's going to be four a twelve volt power supply, and one's going to be for a brake controller outlet. All right, in this case our brake controller sends out a small trace current to look for a completed circuit, so that's why we have it lit up already and we're not even using our controller. That's perfectly normal. Okay Let's go ahead and try the running light circuit next. All right, that's our indication for the running lights.
Let's try our left turn signal. Okay. Now let's try our right turn signal. Okay. Let's look for our brake signal, which would be indication on our left turn and right turn signals. Okay. All right, and now we'll go ahead and try our back up lights, which we will put the vehicle in reverse. That will finish it for part number TR20117, the 7-way trailer connector vehicle tester from Tow Ready.
Works perfect!
works as advertised.
Great product, Excellant price THANKS
awesome
Just what I was looking for.
WOW....can you say fast service(within 2 days)
Thank you
Works as advertised. Etrailer service and prices excellent
easy to use, the lights make it easy to identify problem areas
This product works well I would recomend this to a freind.
Great little device, saves time & guessing.
Great tester. Great price. Unfortunately, now I have to find the problem......Well worth the price just to relieve the aggravation of my old tester.
testerthis 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,
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
Works nicely, just as described. Great tool to keep in the toolbox.
Fast and what I neededThe 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.
The tester works fine, but the LED lights on the tester are arranged in a confusing manner, the lettering indicating which LED light is on are very small, but overall, it will be a good tool to help test the towing vehicle electrical trailer circuits.
Helpful. However, it does not put a load on the signals, so if you have a weak 12-volt or ground connection to your trailer-light signal converter, it will still indicate that the system is working properly.
Great ServiceMy 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.
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.
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.
Already used it to test our trucks. My wife's truck is good; my truck needs some work. That's what I wanted to know. So, Thank you.
It worked well.
I have a 2019 F150 which has a 7-pin and 4-pin receptacles arranged vertically so that when you plug this tester in the lights face down and you need a mirror to see them. HOWEVER, I was able to loosen the "cable clamp" set screw and gently rotate the end so now I can see the lights. According to Tow Ready, the internal wires are not long enough to do this so just be gentle and stop when you feel the slight resistance. Might not get a full 180 degree rotation but you get enough to see the lights easily!
It was perfect to confirm my wiring setup. One minor issue is that the indicator panel was pointed toward the ground when plugged into my truck receptacle, making it next to impossible to read. Rather than return the unit, I loosened a screw and gingerly reoriented the indicator panel for best viewing. The unit works great and fulfills my needs.
This is a must if you are pulling trailers using multiple trucks for towing. it will save you hours of work figueing out problems.
Info for this part was:
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James R.
5/31/2020
Still works great