1993 300ce convertible.

The courtesy lights/puddle lights in the front doors stay lit, even when the doors are closed. Door switches are good, I swapped them out. The auto antenna motor keeps cycling. So I disconnected the plug on the antenna. Now the courtesy lights work properly. What would account for this? Is there a common relay or electrical connection besides the Fuse?

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87 300e (white/black; amg body kit)
88 300ce (red/cream; amg body kit)
93 300ce cabrio (white/blue/blue top)
93 300ce cabrio (black/grey/black top)
98 ml 320 (totaled @ 137,000 miles)
99 clk320 (black/grey/black top)

Under the left rear seat there is a convenience control unit, check it for water damage.

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600SEL '91
300E 4Matic '88
240D '83
280SE '77
350SE '73
The most complex systems can fail in the simplest way.
Contra verbosus noli contendere verbis, sermo datur cunctis, animi sapientia paucis.

i don't believe in the lord! He's never bought me a Mercedes Benz.