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danny l. green

danny ... 4/5/2010

2005 Chevrolet Impala Base 6 Cyl 3.4L

Preventive Maintenance

All of my windows will not operate all the master switch will do is hum.

1 Answer


JimmyMustang 4/5/2010

Sounds like a problem with the master switch, or possible the relay. Test for voltage at the switch if its there and its just not sending voltage to the windows then replace the switch. If there isn't enough voltage to the switch check the relay.


jnbutch2 9/4/2011

i have a similar problem all my switch will do is buzz and and i replaced it and still nothing then replaced the relay and still nothing so now im told there is another called body control module or relay and dont know where it is or how to buy one Any help would be thankful

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