There is a blue wire coming from the left front door and you can find it in the cable tray under the front left carpet...The blue wire can be found in the connector at the vacuum pump as well (under the rear seat).

Finland - Nokia...May I ask what your connection with Nokia (connecting people) is?

greetingz,

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1990 300SL-24
1993 C250D with a minor 600+k kilometer
www.MBenzNL.com(the Netherlands)