When it rains for more than a few minutes the radio in my '93 300TE works intermittently. The radio doesn't power off, it actually seems like the speakers are the trouble spot. When it dries out everything works just fine again.

I'm guessing a drain is clogged somewhere although I don't see any water anywhere and the inside of the windows doesn't fog up.

I'm planning on running a coat hanger through the drains once I find them all, maybe blow them out with compressed air.

Does it sound like I'm heading in the right direction?

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1987 300SDL 167k
1992 Volvo 740 140k
1990 Volvo 740 250k
1989 Volvo 240 269k

Anyone want to trade an old Volvo for an '87 300sdl?