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

We have the Bulldog Winch Ratcheting Wheel Tie-Down Strap for Extra-Wide Tire - Vertical Mount - 3,335 lbs #BDW20362 which is very similar to a wheel net and is compatible with diameters up to 37 inches. It is 9 inches wide so it won't fit over…

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Answer 2

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 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

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 5

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 6

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 7

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 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

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 10

If you just need a 4-pin to 7-pin trailer wiring adapter, then you can use part #C57672. This will plug into the 4-pin trailer connector on your brother's vehicle and give him the 7-pin socket for the trailer. Keep in mind, this will only give…

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Answer 11

Yes, we do. To add a hitch to your 2024 Toyota Grand Highlander, I recommend the Curt Trailer Hitch item #C26VV. This hitch is custom fit and bolts to your Toyota with included hardware. This is a class III hitch with a 2" receiver. It has a…

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Answer 12

Class I and Class II hitches both have a 1-1/4 inch receiver opening. The difference is that a Class I hitch has a lower tongue weight rating, usually 200 pounds and a lower towing rating, usually 2,000 pounds. A Class II hitch usually has a tongue…

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Red Screen on Curt Venturer Trailer Brake Controller

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