you can use the power sunroof switch/harness. color to use? Not sure, but a multi-meter and small wire probe to push into harness to measure voltage make light of that problem.

I'm sure someone can correct me if I'm wrong, But you really should put it on a relay and therefore you'd need to run wire to fuse box anyhow.

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I swear, my cars are like a girlfriend.
Sometimes its a rough ride, sometimes its smooth motorin'.
Sometimes she doesnt like how i treat her and sometimes i dont like how she behaves.
BUT at the end of the day, she loves it when I am inside her.

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'91 850i
'05 X5 4.4i
'09 Clubman S