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    Darrell3's Avatar
    Darrell3 Posts: 1, Reputation: 1
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    #1

    Feb 26, 2010, 12:20 AM
    Blower motor relay { auto}
    The blower on my 1990 chevy pick up will not blow on high and only infreqanly on the other speeds.
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
    Uber Member
    		  
    #2

    Feb 26, 2010, 06:24 AM

    Check/clean connections to blower motor and control switch, but it sounds like the control switch is failing. Try your local salvage yard for a replacement, if necessary.
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