Troubleshooting Tekonsha P3 Brake Controller Not Turning On Inside Ram 1500

Question

Question:

Hello, I have the Tekonsha p36. We only use our trailer a couple times a year. When I went to hook everything up today, the unit wont power on. Is there any sort of reset command? Fuses look good. The truck is a 2015 Dodge 1500 and I am not seeing any issues with internal lights etc, so I presuming the harness is ok, although i dont have a way to test it. Do you know where I should go next in troubleshooting?

asked by: Joey W

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Expert Reply:

If your Tekonsha Prodigy P3 Trailer Brake Controller # 90195 is not powering on, I recommend checking again for any damaged/blown fuses or relays under the hood of your truck. Check specifically for the brake controller fuse, which should be a 30 amp pink fuse located in the F11 cavity inside the power distribution center on your 2015 Ram 1500.

I also recommend testing the brake controller plug/harness under your dash with a circuit tester like # PTW2993. Test the pin that the black wire from the brake controller attaches to for power. If you do not receive 12 volts, then there is an issue with the harness or factory wiring.

If you are unable to resolve this, please let me know and I will be happy to look into this further.

expert reply by: Chris R

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Answer 1

If your vehicle has a factory brake controller plug, you can simply use the Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers – Ford, Item #3034-P, which will connect to the vehicle plug and the brake controller. On the new E-450…

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Answer 2

The factory brake controller harness for your 2014 Chevy Silverado 1500 may not have the same wire colors for functions as the brake controller does. On the brake controller, white is ground, black is 12 volt power in, red is input from the brake…

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Answer 3

That has to be a brake controller issue. Sounds like the controller is backfeeding the stoplight circuit it taps into as a signal wire with voltage which is then activating your brake lights. When this happens the brake controller is in need of being…

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Answer 4

Either way is correct. It depends on if you want to keep the semi-style 7-Way (if you need to tow that type of trailer) or if you will never be towing a semi-trailer. If you need to keep the 7-Way semi active on the truck, then you would need to make…

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Answer 5

Yes, the brake lights on your 2009 Kia Sorento should illuminate when the manual override on the Hopkins Agility Trailer Brake Controller is engaged. It sounds like you have everything installed correctly so I would not be worried at all. If you…

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Answer 6

I am not entirely sure what process you took so I'll give you some other things to try, or maybe a different way to test the Prodigy P3 #90195. First, sever the blue wire a couple inches from the back of your controller. Then use a circuit tester…

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Answer 7

If you have the caution screen that says power loss on it then this means that the power to the controller is being interrupted while braking. This is most likely an issue on the black power wire for the controller and how it attaches to the truck.…

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Answer 8

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 9

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

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Answer 10

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 11

Hey Andrew! Yes, Furrion does have a Chill Cube model with a heat pump. This was actually just released for aftermarket sale. You will need a complete system to make the switch, new R32 units aren't backwards compatible with old R410A systems.…

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Answer 12

It sounds like you are speaking of the wires for the brake magnets. If this is correct, you will need to connect one of the wires to the brake controller output wire on your trailer connector and the other wire will need to be grounded to a clean…

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Troubleshooting Tekonsha P3 Brake Controller Not Turning On Inside Ram 1500

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