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Troubleshooting Valley Phantom Brake Controller

Question:

I have a Valley Phantom #32811 on my 2010 Ram 1500 truck. Its not working and want to know if you could help diagnose it. When I apply the brakes or the over ride switch the green led is a constant dim light and the red comes on steady and very bright. Thanks in advance for any help you can provide.

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Expert Reply:

Valley is no longer in business so there is nothing specific in regards to that brake controller we can offer. There is some troubleshooting you can do. Start by severing the blue wire a couple inches from the back of your controller. Then use a circuit tester such as # 40376 to test the end of the blue wire coming out of the controller. It should only have power when you apply the manual override; if it shows power at idle then there is an issue with the controller and it will need to be replaced.

You will also want to test the brake output pin on the 7-way socket; it should only show power with the manual override. If it shows power any other time then there is a short somewhere between the connector and the brake controller you will need to find. I have added a link to a help article on trailer brake controller troubleshooting which you should also find useful.

If you find you are in need of a new brake controller for your 2010 Ram 1500 I strongly recommend the Prodigy P2 # 90885; it is one of the most popular models we carry due to its effectiveness and ease of use. It will activate your trailer's brakes immediately in proportion to your truck's brakes and offers three different boost levels so you can adjust your braking power. If your Ram has a factory 7-way then you will only need Wiring Adapter # 3021-P to plug the controller in.

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Kyle S

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