BigSully
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- Joined
- Jul 30, 2024
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- Your Mercedes
- Mercedes Benz C250 2017
Hello, Just wondering could someone tell me which is the positive and negative on the left hand side buttons on my steering wheel? There is only three wires and I'm bound to mess it up. I'm trying to wire up an LED steering wheel.its a merc c class 2017 TIA. Sully
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