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danny l. green
danny ... 4/5/2010
2005 Chevrolet Impala Base 6Cyl3.4L - Preventive Maintenance
All of my windows will not operate all the master switch will do is hum.
1 Answer
  • JimmyMustang
    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.
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    JimmyMustang
    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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