I have a 1982 280ce with original Becker player and an after market CD changer in the trunk.

The CD changer is wired into the back of the original unit [ previous owner]

The problem I'm having is ....when I select random play and then turn off ignition after listening to a few songs, then turn ignition back on....the unit starts playing from the first song I listened to ...every time...rather than continuing on from where I left off.

Is this normal for a changer ?.....Or has previous owner wired it up wrong?....and if so ...How can I fix this annoying habit ?

Depending on what kind of changer it is there is a possibility that the changer is not wired correctly. The changer needs a constant voltage (usually yellow wire) so it has a memory. Check the yellow wire to make sure it is powered when car is off...

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83 300CDTurbo 307,000
2005 Honda Element 266,000
56 Nash Ambassador Country Club Special 34,000(under restoration presently)

http://www.peachparts.com/shopforum/car-audio-multimedia/125099-123-install-extreme-dynamat.html