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Hi Everyone,

I have a 2014 Touareg TDI. I just bought an enclosed trailer with trailer brakes that uses the 7-way connector. The trailer has led lights. I'm aware that the connector needs to sense a load in order to power the lights.

Further, I plan to use a Curt bluetooth wireless brake controller with the touareg. I have the device but it doesn't have resistors inside to allow the car to detect the trailer. There are 7 way plugs with resistors that exist but if I double this up with the curt device it will be unweildy and dragging on the ground.

I've attempted to add resistors inside the 7-way plug. I tried 100 ohm between ground, left turn, right turn, and running lights. That did not work. I tried 50 ohm and finally 10 ohm resistors. None of these allowed the car to recognize the trailer which doesn't make sense to me. I feel like 10 ohms would draw 1.2 amps which should easily simulate an incandescent bulb. Can anyone tell me what is not sound about my logic?
Make sure you are testing with the ignition on, my trailer lights don’t do everything unless the ignition is on.
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