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Trying to determine why my stereo doesn't work

889 views 7 replies 5 participants last post by  jhodg5ck 
#1 ·
Hi guys and gals

I recently purchased a 91 560SEL, and the head unit doesn't seem to work. Pressing the power button lights up all the buttons and raises the antenna. The display area is completely blank, it's not even asking for the code. Are there things that I can check or possibly repair, or do I need a brand new head unit?
 
#3 ·
Does the head unit display '----' four dashes across the screen? If so, the unit's security feature has been activated and you will need to take it to the dealer to have it unlocked.

If not, try pushing the faceplate of the headunit back onto the stereo. If you take the stereo out, it should be fairly obvious how the faceplate snaps back on.
 
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