Thread: W124 blinking recirculation switch
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  #12  
Old 10-28-2007, 07:05 PM
brewtoo brewtoo is offline
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Join Date: Dec 2000
Location: AL
Posts: 1,219
Like I said, the 1HZ blink that starts when you connect the scan tool simply means the system is in diagnostic mode.

If yours starts blinking after you connect the scan tool, that is all it means.
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