Car off turn headlights on and radio turns on?

have 2003 Oddessy with keys out of ignition if I turn the headlights on the radio goes on also front sidemarker lights are always on anyone ever encounter such a problem or have a solution. No electrical work
has ever been done to vehicle.
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magoo wrote:

======================================= Have you had the battery go dead, then boost it to start, lately?
'Curly'
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