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What Does Only Two Dots Displayed on Prodigy P2 Brake Controller Indicate  

Question:

Why do the 2 red lights stay on all the time

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Expert Reply:

When the P2 brake controller # 90885 reads 2 dots with no letters, it is an indication that the brake controller does not have a connection with the trailer. I have attached a picture from the installation instructions explaining the displays. The instructions are also linked for you.

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Jameson C
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