Hi folks. I got a cool new shifter for my 6 speed SLK320. And the gear map lights up! But I’m not sure which wire to tap into for power. Im thinking brown or grey/blue from one of the window switches? The wires from the shifter are red (hot) and brown (ground). Is the brown from the window switch ground too? And therefore the grey/blue is hot? See attached pics. Thanks!
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