Curt Venturer Red LED Light Only Comes On with No Trailer Connected and Stepping on Brake Pedal

Question

Question:

I have a Toyota highlander 2011 and the dealership installed a C74VV last year on my car. Now after 6 month not using my trailer, the red light turns on only when I break with my not connecting trailer car otherwise it is off. Is it normal?what does it mean?what is the solution? Thanks a lot for your answer.

asked by: Olivier

1

Helpful Expert Reply:

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 mentioned that you have not towed the trailer in awhile. What usually happens is corrosion on or inside of the trailer or vehicle side connectors. Make sure the trailer and vehicle side connectors are clean and free of corrosion inside and out.

Since the problem is happening without the trailer connected then it is likely that the vehicle connector has some corrosion and cleaning it off would solve that issue. I have included some helpful links on testing and troubleshooting brake controllers for you.

expert reply by: Michael H

1

Answer 1

I can help you figure out what's going on with your Curt Venture #C74VV. First lets start with the Red Light that comes on intermittently. The loss of the trailer, intentional in your case, should result in a solid single red light. If this…

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Answer 2

It sounds like the Removable Steel Foot with Pin for DL22530 A-Frame Trailer Jack by Dutton-Lainson, item #DL22541, will be the closest fit we have for your trailer jack. This foot plate has an inner diameter of 1-3/4 inches which is slightly…

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Answer 3

We currently have 3 different trailer jack support plates. I have included other dimensions in the included photos except for #BDSPB50 which was not available. #DL22763 is 1/8 inch thick. #BD003135 is 1/8 inch thick. #BDSPB50 is 1/8 inch thick. The…

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Answer 4

Per the instructions for the Curt Venturer Brake Controller, part #C74VV, a blinking red light means there is a brake overload or a short. The probable solutions listed for this is to confirm the brake maximum load of 6. If that is not the issue,…

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Answer 5

It looks like on pages 5-126 and 5-127 or your owner's manual there is the TBC BATT fuse in the fuse box that is under the hood. This is called the Truck Body Controller Battery Feed and looks to be the only fuse title that might affect the…

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Answer 6

I used a search engine to find the owner's manual for a 2004 Chevy Silverado, and based on the online manual I saw it looks like the fuse marked "TRL PARK" is the fuse you are looking for. This is in the underhood fuse panel. I…

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Answer 7

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…

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Answer 8

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 9

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 10

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 11

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 12

The Curt Spectrum Trailer Brake Controller part #C51170 will illuminate even without a trailer connected that is correct. If you don't wish to see this light each time you hitch the brakes without a trailer attached then you will either need to…

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Curt Venturer Red LED Light Only Comes On with No Trailer Connected and Stepping on Brake Pedal

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