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#1
09-19-2011, 09:52 AM
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W 126, 420 SEL Heater and A/C problem
I got 1986 420SEL American Edition, and i have some weird problem with heater blower and A/C. It goes ON and OFF by it self, but when i start a engine i heard some relay click from passenger side, somewhere under the dashboard. I was driving a car and the heater goes on , then goes of by itself.
Please, if anybody can help me with this issue ill be appreciated. Thank You ! 
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#2
09-26-2011, 07:29 PM
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How is the control head? Try to isolate the fuses and relays associated with the climate control blower motor. You could possible have a wiring problem, sticking relay or faulty control head.
I have a 87 420SEL at one point. One day the blower motor would just come on by itself. I would even Press the "O" for off and nothing would happen. Problem ended up being a faulty control head.
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2001 E55 2001 E320 Sedan 2001 Subaru Legacy 2006 SLK280 2016 Subaru Outback 3.6
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