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#1
11-24-2005, 10:39 AM
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87 420 sel blower motor
with cold engine cannot get any climate control pushbutton to turn on blower fan, not even defrost. Once car reaches temperature i can shut it off, remove the key, then restart and blower works properly in all modes. Any suggestions?
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65 190d sold 85 380SE sold 87 560 SL 180K 84 380SE 96K (mint) 
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#2
11-24-2005, 11:09 AM
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When totally inoperative try wiggling the key. The electrical portion of the ignition switch is a common problem that knocks out everything. The ignition switch has more than one output circuit and the one powering the AC fails quite often while the ones powering engine systems hardly ever fails. Guess it is nice they fail that way.
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Steve Brotherton Continental Imports Gainesville FL Bosch Master, ASE Master, L1 33 years MB technician
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Linear Mode
