just replied to your other post. Do a search under my name, for 'aerial' or 'antenna'. I wired my antenna's motor to a switch on the dash, It was very easy, and I posted a description (about 8 months ago).

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190E's:
2.5-16v 1990 90,000m Astral Silver
2.0E 8v 1986 107,000m Black 2nd owner
http://www.maylane.demon.co.uk/190esmall.jpghttp://www.maylane.demon.co.uk/190esmall2.jpg