all the stuff you have listed is running from a feed at the light switch for parking lights.the relay you found could certainly be the culprit.try disconnecting the wire to terminal 30 on the relay and see if draw goes away.

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David S Poole
European Performance
Dallas, TX
4696880422

"Fortune favors the prepared mind"
1987 Mercedes Benz 420SEL
1988 Mercedes Benz 300TE (With new evaporator)
2000 Mercedes Benz C280
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