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What Wiring Style Does 2021 Volkswagen ID4 Have For Installing Curt Wiring Harness C59236?  

Question:

I’m trying to install this on my 2021 id4 but not finding any guides to follow. How do I know if I have a 2 wire, 3 wire, st or stt?

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Expert Reply:

Your 2021 Volkswagen ID4 has the PWM-STT wiring which means that the stop, turn, and tail light signal all run on the same wire.

You'll need to follow the PWM-STT Wiring diagram found in the instructions of the Curt # C59236 which I've linked below to make sure you get everything installed correctly.

expert reply by:
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Samuel C

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