How to Bypass a Factory Brake Controller in a 2015 GMC Sierra 3500 to Install Prodigy P2

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Question:

I have a 2015 GMC Sierra 3500HD with Duramax. It has the factory towing package including wiring harness for camper / fifth wheel / gooseneck. My truck also DOES have the factory intergrated brake controller. But, I want to use the Prodigy 2 brake controller with wiring adapter harness that plugs right into my truck under left side dash panel. Is anything else required to be connected? Or is anything with the factory braked controller required to be disconnected or disabled ?

asked by: Steve A

0

Expert Reply:

In order to bypass your factory installed controller and install an aftermarket brake controller like the Prodigy P3 Trailer Brake Controller, # 90885, with Plug-In Wiring Adapter, # 3016, you will have to make a couple of cuts and connections.

First you will cut the blue wire on the plug-in wiring adapter and connect it to enough 12-gauge blue wire to reach the rear of the truck. Now at the 7-way trailer connector at the back of the truck, you will cut it's blue wire approximately 4 to 6 inches from the connector and connect it to the blue wire that was run from the brake control wiring harness. I recommend using Deka Heat Shrink Butt Connectors, # DW05745-10, and electrical tape when making all electrical connections. Now you are ready to plug the wiring adapter into the brake control port up under the dash and into the back of your new controller.

expert reply by: Jameson C

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Answer 1

Your 2016 Chevrolet Silverado 1500 may not have the factory electric brake controller but it will have the factory tow package that includes the 7-way trailer connector at the rear. This is good news because all you'll need to install the Prodigy…

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Answer 2

We do indeed offer a vehicle specific wiring harness for Redarc brake controllers that's compatible with your 2019 Chevy Tahoe, part #331-TPH-010. This being said, might I make a suggestion? Unless you're planning on taking your trailer…

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Answer 3

We can help bypass the OEM controller of your 2015 GMC Sierra 3500 but to answer your first question you do not need to take truck to dealer to have any check engine lights addressed. I would recommend the Prodigy P3 part #90195 for you because this…

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Answer 4

Your 2015 GMC Sierra 2500 came pre-wired for a brake controller. All you would need is the correct install harness for the truck. If you went with a Tekonsha brake controller like our best selling P2 part #90885 all you would need is the install…

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Answer 5

Installing the P3 brake controller #90195 on your 2015 Chevy Silverado 2500 with factory integrated controller will actually be very simple. What you will do is use harness #3016 which plugs into a port on the truck already. But you will need to…

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Answer 6

Most brakes also require a (break-in) period. Dexter says to get up to about 20-30 mph and use the manual override several times. They may also feel weak breaking because it is recommended to let the brakes (seat) into the hub for the first 200 miles…

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Answer 7

You will have to go with a sliding hitch to allow the trailer to make tight turns. For a trailer 8 feet wide the only bed length that's going to allow 90 degree turns without a slider is a stationary hitch. That being said you have two options.…

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Answer 8

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 9

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 10

The OEM prep package consists of 4 "pucks" in the bed of the truck that will allow you to drop in puck style hitches for easy installation and removal, that gives you a completely clear bed when not in use. The B&W Companion OEM 5th…

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Answer 11

Lance does have a proprietary plug, but many customers see a standard 6-way or 7-way round and notice it doesn't fit their factory 7-way as well. I've attached an article to help if you have one of the 7-way or 6-way round connectors which we…

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Answer 12

Choosing the right height setting for your 5th wheel hitch is a combination of a few different variables. First of all you want your towing setup to be as level as possible. With your Montana High Country 340BH level you will want to measure from the…

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How to Bypass a Factory Brake Controller in a 2015 GMC Sierra 3500 to Install Prodigy P2

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