Gilly - Thanks for your input, but I have no antenna switch on the dash. I have 5 switches in the row you mentioned - rear window defrost, rear headrests, recirculate air, emergency flashers, and interior lights. My 126 had an antenna switch in that row. That's why I thought the radio controls the antenna.
Ken

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Some days are like licking ice cream from a spoon, today is more like trying to staple jello to a brick!
1990 300 SEL