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Thread: Heater

  1. #1
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    Heater

    I have 57 Chevy with a switch controlled heater
    blower does not work there is a loose red wire coming from back of switch. Where should it attach to

  2. #2
    Administrator 567chevys's Avatar
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    Here is a link you can run it down with

    http://www.trifivechevys.com/manuals...nual/12-27.gif


    Sid

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  3. #3
    Registered Member chevynut's Avatar
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    56 Nomad, Ramjet 502, Viper 6-speed T56, C4 Corvette front and rear suspension


    Other vehicles:

    56 Chevy 2-door BelAir sedan
    56 Chevy 210 4-door sedan
    57 Chevy 210 4-door sedan
    1962 327/340HP Corvette
    1961 Willys CJ3B Jeep
    2001 Porsche Boxster S
    2003 Chevy Silverado 2500 HD Duramax
    2019 GMC Sierra Denali Duramax

  4. #4
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    Thanks for schematic but i do not see the heater blower switch

  5. #5
    Registered Member chevynut's Avatar
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    Quote Originally Posted by Johnny 019 View Post
    Thanks for schematic but i do not see the heater blower switch
    It's right below the cigarette lighter at 2:00 from the center of the drawing. There's one 14 gauge brown wire going to the heater assembly that then goes to the blower motor. If it has factory A/C there's also one 14 gauge red wire going to the A/C blower.
    56 Nomad, Ramjet 502, Viper 6-speed T56, C4 Corvette front and rear suspension


    Other vehicles:

    56 Chevy 2-door BelAir sedan
    56 Chevy 210 4-door sedan
    57 Chevy 210 4-door sedan
    1962 327/340HP Corvette
    1961 Willys CJ3B Jeep
    2001 Porsche Boxster S
    2003 Chevy Silverado 2500 HD Duramax
    2019 GMC Sierra Denali Duramax

  6. #6
    Registered Member chevynut's Avatar
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    The first thing I would do is check the fuse block and see if the fuse is installed or if it's blown. Then I'd check for 12V on the dark blue wire at the heater switch. If you have power there, see if it's getting through the switch and the connectors on the path to the blower motor.
    56 Nomad, Ramjet 502, Viper 6-speed T56, C4 Corvette front and rear suspension


    Other vehicles:

    56 Chevy 2-door BelAir sedan
    56 Chevy 210 4-door sedan
    57 Chevy 210 4-door sedan
    1962 327/340HP Corvette
    1961 Willys CJ3B Jeep
    2001 Porsche Boxster S
    2003 Chevy Silverado 2500 HD Duramax
    2019 GMC Sierra Denali Duramax

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