Power isn't completely removed from the radio, it retains the time and station memories.

Is there a "feature" where the radio display dims when the lights are turned on? At this point, I'm still trying to figure if it's a problem with the radio or the wiring.

I've been to Becker's website and emailed them. Will update again based on their response

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mjk

'84 300SD 119KMi (Liesl der Diesel)
'84 300D 326KMi when the oil left (former parts car)
'82 300SD 253KMi (new parts car)