Red Screen on Curt Venturer Trailer Brake Controller

Question

Question:

I hooked up the black wire to 12 V the white wire to ground the red wire to my brake switch light and did not hook up my blue wire but when I step on the brakes, it flashes red could the controller be bad it’s brand new and when I hook it up to the blue wire that goes back to the wiring plug it’s still flashes red. Either way it flashes red I believe it’s a bad controller and it seems like the blue wire has a little bit of juice coming out of it at all times .8 V and when I use the manual override it goes to 12.6 V.

asked by: Tom

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Expert Reply:

I checked the owner's manual for the Curt Venturer Trailer Brake Controller part # C51110, a flashing red display indicates that there is a brake circuit overload, likely caused by a short. It really didn't give any other detail aside from this so I first recommend you check to ensure the wires are hooked up correctly. The black wire goes directly to the positive battery terminal, there should be around 12 volts on this wire as it goes into the trailer brake controller. The white wire goes directly to the negative battery terminal, there should be no voltage on this wire. The red wire goes to the stop light switch or the wire that is only hot while the pedal is pressure, there should be around 12 volts on this wire with the pedal pressed. The blue wire goes to the trailer connector, there should be a varying degree of voltage on this wire relative to the gain setting but it should be close to 12 volts at full power with the override.

All that said, the Curt Venturer # C51110 is no longer available. It has been replaced with the Curt Venturer NEXT Trailer Brake Controller # C74VV.

If you have ensured the controller is hooked up correctly and has appropriate power, then it would need to be replaced if the issue persists. I have attached for you below a general troubleshooting article you'll want to look over as well before you proceed with the warranty claim process.

expert reply by: Conner L

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Answer 1

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Answer 2

When a trailer brake controller like the Tekonsha Prodigy P2 #90885 flashes "N.C", this typically refers to a problem with the trailer connection. A few causes for this message to appear can be that the trailer is simply not connected to…

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Answer 3

The only pin that should be continuously showing 12V power on the 7-Way connector on your vehicle is the 12V power circuit which is normally the black wire but not always. In 7-way wiring the 12V auxiliary power feed is carried on the contact at the…

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Answer 4

On the Curt Venturer brake controller #C74VV the LED light should glow red all the time when no trailer is connected. If the light is flashing red when you step on the brake pedal then the controller is sensing an overload or short circuit. You…

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Answer 5

Normally having a green light on your brake controller means you have a connection to your trailer. This is an indication of a power draw on your brake output wire that happens when a trailer is connected. If you are getting that light without a…

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Answer 6

If you are reading a constant 12 volts on the blue brake output wire with the Curt Venturer Brake Controller #C74VV installed, this is indeed an indication that either the controller itself is bad or there's a short somewhere along the brake…

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Answer 7

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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Answer 8

The flashing red light that you are getting is a sign of a voltage drop between the trailer ground and vehicle ground. This was likely caused by a loose connection in the 7-way and explains why it started and stopped randomly. You need to check the…

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Answer 9

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 10

I've never heard of an actual third brake light connector on a camper shell to plug in on a truck and we don't carry any parts to do that. The light generally needs to be hardwired into the truck's brake light circuit. The issue with this…

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Answer 11

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Answer 12

If your old axles have a 5 bolt brake flange the assemblies like Dexter Electric Trailer Brake Assembly - 12" - Left Hand - 6,000 lbs part #23-105 or Dexter Electric Trailer Brake Assembly - 12" - Right Hand - 6,000 lbs part #23-106 will…

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Red Screen on Curt Venturer Trailer Brake Controller

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