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#1
08-09-2004, 11:31 AM
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Turn lights relay buzzing and NO RPM, oil pressure, coolant temperature displayed
The turn lights are working also as an emergency stop flashing but when I turn them off, the relay starts buzzing. The windshield wipers and heating of the rear window seems in working condition but do not stop buzzing when they are turn on.
I see no RPM, oil pressure, coolant temperature on the display, only speed and economy gauge working. Why the relay is buzzing? It should be direct current (DC) in a car – constant +12V or 0??
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1987 MB260E 187K 
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#2
08-09-2004, 11:41 AM
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The buzzing relay part number is 201 821 00 47.
05 8983 00 12V/2(4)x21W max 6x32cp DOT SAE J 590e/945b
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1987 MB260E 187K
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#3
08-13-2004, 03:53 PM
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I checked one more time fuses - the fuse 5 is burned. It was too dark and I missed at first time. Everything is working fine after a replacement of the fuse 5. No buzzing.
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1987 MB260E 187K
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