The title pretty much says it all.
If I push any button other than the "off" button I get nothing.
The controls are situated vertically if that helps.
Tore the console apart and can't sort that darn thing out, any advice/?/ is this my next step?

You have a version of the chrysler auto temp system. Try this web site to diagnose. www.imperialclub.com/repair/lit/master/281/cover.htm

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81 300CD (sold) 1972 280 SEL 4.5 (sold) 1966 250 S 4 spd (sold) 1974 450 SL (sold) 86 BMW 325ES (sold), 1973 280C (sold) 1988 300 SE.

Well I checked the amplifier and replaced a couple of blistered resisters to no avail. There is one part in there that seems to have melted, leaving a puddle of hard tanish resin at the base. It is the second piece from the top left if you are holding the unit with the pins at the bottom. I tried unpluging the amp which didnt change a thing (fan still blew on high in the off position alone). The servo dosn't seem to have any cracks in either part. The smaller of the two main parts has a metal body. Is this original equipment? I have access to a parts car but I have no idea of the condition of the parts in question. Still trying. Thank you for the link. --- G-MA