Trailer Brake Controller Light Stays On

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Question:

trailer brake light staying on

asked by: Sam

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Expert Reply:

Brake controllers such as the P3 you referenced # 90195 will go into a sleep mode after about 15 minutes of it sensing no movement. If you peek through the window after 15 minutes then it should be in sleep mode. Opening the door or causing movement to the truck could cause it to wake back up.

If it will not go to sleep then make sure the trailer is disconnected. There could be a short that is causing the trailer to draw power which would make the controller think that it needs to be on. Common sources of this include dirt and corrosion inside or outside of the vehicle or trailer side connectors, bad grounds for the magnets, frayed brake magnet power wires, or bad brake magnets.

Make sure the brake magnets are grounded to clean bare metal surfaces near the magnets and fix any possible brakes in the wiring. Inspect the magnets and if you can see the copper windings coming through they will need to be replaced. To further test brake magnets you can follow the how-to article I have linked.

expert reply by: Michael H

0

Answer 1

Most brake controllers will stay active for several minutes after the vehicle is turned off and then will eventually go into sleep mode. The small LED light draws such a small amount that it would it would not cause your battery to drain. I attached…

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Answer 2

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…

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Answer 3

I definitely understand how safety chain capacities and determining exactly what chain rating you need for your trailer can be a bit confusing. To keep it as simple as possible, safety chain requirements state that the breaking strength of EACH…

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Answer 4

The Redarc Tow-Pro Elite Trailer Brake Controller part #RED44FR will go into a sleep mode when there is no trailer connected to the tow vehicle. This sleep mode is displayed by a breathing blue light on the push control. The breathing blue light is…

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Answer 5

The controller will actually wake up from sleep mode when the door is opened so that's likely why you still see the blue light on even with the vehicle off and trailer unconnected. This is common for all brake controllers including the Redarc…

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Answer 6

A 10-amp fuse is used in the Curt wiring harness that fits your Kia Sportage, the Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector #C56321.

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Answer 7

If your 2011 GMC Sierra has a factory 7-Way then the needed wiring is already run, but there isn't a connector under your dash. To install the Tekonsha Prodigy P3 #90195 you need to hardwire it to the brake controller wiring under your…

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Answer 8

The "Trailer Disconnected" error message on the dash with a factory brake controller is usually related to an issue with the blue brake output wire that runs from the brake controller to the 7-Way connector. The fact that the issue remains…

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Answer 9

Since your 2018 Chevy Equinox has the factory 7-way connector, all you will need is the brake controller and the hardware to tie it into the trailer wiring. Traditionally, GM has not put a brake controller port on the Equinox, so plug-in brake…

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Answer 10

Some different brand names of trailer breakaway kits do originate from a common source, and this is also true for items like jacks, landing gear and steps. There really is not a lot to distinguish one from another, since their component parts are…

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Answer 11

According to Curt there is not a plug-and-play brake controller adapter for the 2019 Chevy Equinox so the Curt Venturer Brake controller would need to be hardwired in. To do this, you would need to convert the factory 4-way on the Equinox using a…

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Answer 12

Brake controllers such as the P3 you referenced #90195 will go into a sleep mode after about 15 minutes of it sensing no movement. If you peek through the window after 15 minutes then it should be in sleep mode. Opening the door or causing movement…

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Trailer Brake Controller Light Stays On

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