Voltage Readings with the Tekonsha Prodigy P3 Brake Controller  

If you are testing your Prodigy P3, #90195, while sitting still, then the readings you are getting are normal. The P3 is a proportional brake controller, so it will send out an amount of voltage proportionate to the braking intensity of the tow…

The Tekonsha Prodigy P3 Trailer Brake Controller part #90195 will draw 1 amp of current per volt sent to the trailer brakes on a tandem axle trailer and 1/2 amp of current per volt sent to the trailer brakes on a single axle trailer. Therefore, the…

You are correct, you should only be getting output when the brake is applied, or the override switch is activated. It sounds like the controller might be bad, but to make sure, you should probably bench test it before tossing it. Use a circuit…

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.

There is a suggested and common method for 6 function trailer wiring. You will have the following functions: Right Turn, Left Turn, Ground, Tail/marker, Brake, Battery. I have included a help article on trailer wiring that includes a diagram and…

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…

The Tekonsha Prodigy P3 #90195 is actually one of the best options to use with an EOH setup. You should not have any problems using it with the HydraStar Electric Over Hydraulic Actuator #HBA-10 when it is set to EOH mode. Since you tested it with…

A brake controller like the P3 #90195 senses the brake magnets on the trailer when connected to the truck. It is possible that the blue wire (brake output wire from the controller to the trailer) is broken or missing somewhere so it cannot sense the…

The P3 brake controller, #90195, will go into a sort of sleep mode after it detects no movement for 15 minutes. While it is on it does not draw very much power. What you can do to make sure it goes to sleep is exit the truck after turning it off,…

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…

Lights not working on a trailer can be caused by quite a few different things. The first thing to check is all your grounds. A bad ground can cause any number of things to happen and is always a good place to start. From there, you will need to check…

In order for your truck battery to be able to charge your trailer battery it will have to have a connection to it that is going to have voltage like you tested. What you have is normal and the only possible downside would be if your trailer battery…