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    mlking907's Avatar
    mlking907 Posts: 1, Reputation: 1
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    #1

    Jan 12, 2012, 11:13 PM
    Reasons heater fan isn't blowing in a dodge ram 2003?
    The heat is coming out but the fan isn't blowing at all. Fuse isn't blown. Another reason it wouldn't be working? It's a dodge ram 2003, 1500, 4x4
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
    Uber Member
    		  
    #2

    Jan 13, 2012, 06:57 AM
    . Check all under hood and under dash fuses with a test light or multimeter.

    . Check heater blower motor relay (Power Probe II), which is likely located in the under hood fuse/relay box. Remove relay, clean contacts, and apply dielectric grease.

    . Check connector to the fan.

    . Check for power to the fan, using a test light or multimeter.

    . Jump the fan motor, to see if it runs.

    . Check the fan switch.
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