Brake Controller Wiring Harness for a P3 and 2015 GMC Sierra 1500

Question

Question:

Will this harness fit a 2015 GMC Sierra with the heavy duty trailering package but not with integrated factory brake controller. I saw the video for a 2014 and I think they are the same but wanted to make sure.

asked by: Greg B

0

Expert Reply:

Yes, the brake controller wiring harness # 3016 will fit your 2015 GMC Sierra 1500. You do not have to have the factory integrated brake controller option in order to use the harness.

For a brake controller the P3, # 90195, is one of the most popular brake controllers available. It has a lot of customizable features, diagnostics, not to mention it is a reliable and well-made controller. I have linked that video you mentioned. Installation will be basically identical on your truck.

expert reply by: Michael H

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Answer 1

The only suspension enhancement product available that is confirmed to fit the rear axle of your 2017 Toyota 4Runner is the Timbren Rear Suspension Enhancement System #TTORSEQ. These jounce-style springs will do a nice job of reducing rear sag on…

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Answer 2

Based on my research the issue with installing a factory brake controller on your Silverado (post-factory) has to do with the factory harness and programming on the truck. Chevy's official stance is that it cannot be added after the fact.…

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Answer 3

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 4

If you just need a 4-pin to 7-pin trailer wiring adapter, then you can use part #C57672. This will plug into the 4-pin trailer connector on your brother's vehicle and give him the 7-pin socket for the trailer. Keep in mind, this will only…

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Answer 5

You're right, the mounting bracket is unique (in a good way) for the Curt TriFlex NEXT Trailer Brake Controller #C24VV. The bracket is smaller and all you do is put the included adhesive tape on the bracket and stick it wherever you like…

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Answer 6

You do have the option to utilize the air brakes on your 2023 Freightliner Cascadia to control electric trailer brakes using the Hayes Air Actuated Trailer Brake Controller, part #HA100400C. However, we mostly recommend just using an electric brake…

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Answer 7

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 8

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,…

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Answer 9

The best brake controller option to go with is one that activates the brakes proportionally instead of time delayed. A proportional brake controller will activate the trailer brakes at the same time and with the same intensity as the tow vehicle…

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Answer 10

Hey Donald, the best Blue Ox weight distribution would be the pat #BXW0550 as it has a perfect tongue weight range for your 450 lb tongue weight trailer.

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Answer 11

Hey HPA, I would go with the Air Lift kit part #AL64VJ that fits your 2019 Toyota RAV4 based on what you described and your needs. This gives you adjustable support that you can tailor as needed so that you get the exact amount of support you need…

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Answer 12

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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