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Technical Is this the blower motor power source on 1964 Chevy?

Discussion in 'The Hokey Ass Message Board' started by slim tempo, May 3, 2020.

  1. slim tempo
    Joined: Sep 16, 2010
    Posts: 410

    slim tempo
    Member

    I'm in the process of putting my 1964 Biscayne back together and noticed this blower motor electrical part just inside the passenger side front fender. Is this the point where my power source (hot) connects to? I did not have a wire in the new harness that ran to this point. 021.JPG
     
  2. slim tempo
    Joined: Sep 16, 2010
    Posts: 410

    slim tempo
    Member

    Can I run a hot lead to this and expect the blower to run?
     
  3. squirrel
    Joined: Sep 23, 2004
    Posts: 46,077

    squirrel
    Member

    yeah, but you probably want to connect this motor terminal to the switch, and connect the hot wire to the switch, then you'll be able to turn it off, and maybe adjust the blower speed.
     
  4. 325w
    Joined: Feb 18, 2008
    Posts: 5,288

    325w
    ALLIANCE MEMBER
    from texas

    Shouldn't their be a resistor in the heater duct. This gives you your three speeds
     
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  5. squirrel
    Joined: Sep 23, 2004
    Posts: 46,077

    squirrel
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    Yes, there is usually a resistor, and a small wire harness that connects the resistor to the switch. Which might be where that motor wire is supposed to be, but someone removed that little harness, thinking they didn't need it.
     
  6. sunbeam
    Joined: Oct 22, 2010
    Posts: 4,840

    sunbeam
    Member

    You should see a resister that looks like this on the air box that gives you your speeds[​IMG]
     
    Last edited: May 3, 2020
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  7. 2OLD2FAST
    Joined: Feb 3, 2010
    Posts: 2,344

    2OLD2FAST
    Member
    from illinois

    Kinda like jack and the beanstalk ??
     
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  8. slim tempo
    Joined: Sep 16, 2010
    Posts: 410

    slim tempo
    Member

    I see the 3 prongs and the connector that was hanging there. I will connect them tomorrow. Where is the wire under the hood that connects to the single prong?
     
  9. squirrel
    Joined: Sep 23, 2004
    Posts: 46,077

    squirrel
    Member

    There should be an orange (? brown?) wire from the little harness that connects to that resistor thing, and to the switch, which you connect to the blower motor.
     
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  10. MAD MIKE
    Joined: Aug 1, 2009
    Posts: 489

    MAD MIKE
    Member
    from 94577

    On your bulkhead connector, there should be two connectors of 8 spaces.
    Originally the connector with only 7 used spaces will have your heater blower connector, if you are not sure which connector that should be, it is the same connector that the coil/ignition power wire is connected to. If your new harness follows factory wiring layout.
    Again going by factory harness, it should be
    SPACE, Ignition(color changes based on engine), Dark Blue, Purple.
    Black-Yellow, Dark Green, Black-Light Green, Black-Orange(blower motor)

    Black- Orange wire is the power wire to the heater motor. Should be a round connector to fit, sometimes it gets mistaken for a radio doo-dad due to the weird shape.
    I'll see if I can dig up a diagram...
    Biscayne HAMB.jpg
    Yeop. IIRC
    LOW- Black-Orange(not the same wire as power feed to the motor)
    Med- Black- Light Blue
    High- Black- Yellow.

    If original colors are used.
     
    Last edited: May 4, 2020
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  11. slim tempo
    Joined: Sep 16, 2010
    Posts: 410

    slim tempo
    Member

    Thanks. I will look at it today.
     

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