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Tekonsha TR20117 or 6562 7-Way Trailer Connector Tester for 2017 Ford F-350


I have a 2017 Ford F-350 dually that I pull my 5th wheel RV with. I would like to be able to test the OEM brake controller on the truck. From your website, it appears that there are 2 reasonably priced options for me. The Tekonsha 7-way, Item # TR20117 for $16.60 and the Tekonsha 7-Way, RV-Style Tester, Item # 6562 for $48.14. If I read it correctly, Item # 6562 is identical to the Item # TR20117 – except – the 6562 will not work on my truck because it is not “older” than 2013. If this is not true, in that the 6562 will work on my 2017 F350, what would be the advantage, if any, on paying more for the 6562 instead of getting the TR20117? Also, what is your recommendation for testing the RV side connections? Thanks


Expert Reply:

You would need to go with the # TR20117 because your vehicle was manufactured after 2013. I believe the factory brake controllers in the later model Ford trucks were proportional, which means that you won't get any output on the brake pin when the vehicle isn't in motion, only when the manual brake switch on the controller is activated.

The easiest way to test the wiring on the trailer is to use a 12 volt battery, ground the negative terminal to the trailer frame and apply voltage to each pin except for the ground pin which is shown in the provided diagram. Each function should activate when 12-volts is applied to the pin.

I've linked to a product demonstration video for the # TR20117 tester.

click to enlarge
expert reply by:
Mike L

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