How to Change Boost Setting of Prodigy P2 Brake Controller # 90885

Question

Question:

I dont seem to be able to turn off the boost control. I have power to Prodigy with trailer connected and the symbol is .C. not .C Is it possible to disengage the boost?

asked by: Robert S

1

Helpful Expert Reply:

To change the boost settings of a Prodigy P2 brake controller like part # 90885 you basically have to keep pressing the boost button till the setting changes. The boost button is the one on top of the controller on the right side as you face the controller. I attached a picture that covers the boost settings for you to check out as well.

expert reply by: Jameson C

1

click to enlarge

Answer 1

The first error code, SH, you are seeing on the Prodigy Brake Controller (instructions linked below) means the brake wire sees a short circuit during idle condition. The second code, OL, indicates an overload condition during operation. For the first…

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Answer 2

According to the installation instructions when the Prodigy P2 #90885 has 2 dots it means that it is getting power but no trailer is connected (see attached photo). I am not sure what the 2 flashing bars are though. There are a number of codes that…

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Answer 3

The Prodigy P3 trailer brake controller uses a 4-wire hookup. The white wire is to be grounded to the battery negative terminal; the black power wire connects to the battery hot terminal through a circuit breaker; the red wire takes in the brake…

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Answer 4

On the Prodigy P2 part #90885 the white wire is ground, the red wire is for the stoplight circuit, the black wire is the 12 volt power wire, and the blue is for brake output.

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Answer 5

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 6

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 7

To install a Redarc Tow Pro Liberty in your 2023 Toyota Tacoma Sport you will need the following parts: Redarc Tow-Pro Liberty Brake Controller item #RED24FR Plug-and-Play Wiring Harness for Redarc Tow-Pro Trailer Brake Controllers item #RED99FR…

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Answer 8

That's a very good question, we tend to be extra cautious and say to use 10 gauge wire because that would be more than enough. When you get into longer trailers that will end up using a lot of wire the heavier gauge wire becomes more necessary.…

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Answer 9

Hi Joel! The easiest way to install a brake controller on your 2026 Toyota 4Runner would be to use the Redarc Tow-Pro Elite Brake Controller w/Custom Harness part #RED56CR. It is the same Redarc Tow-Pro brake controller as the RED44FR but has the…

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Answer 10

The Redarc Tow-Pro Liberty #RED24FR is the way to go over the Elite #RED44FR as you get the nicer functions of the Elite at a lower price. The Elite has the ability to be the more preferred proportional style of controller as well as a time-delayed…

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How to Change Boost Setting of Prodigy P2 Brake Controller # 90885

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