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'94 1500 4x4 no heat

This is a discussion on '94 1500 4x4 no heat within the Technical / Maintenance forums, part of the General Discussion category; Blower motor is new,heater core is new,coolant full,no blown fuses,blower works on all speeds,cool air coming from vents and defrost. ...

  1. #1
    Registered User
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    May 2012
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    Ionia(I-OWN-YA),MI
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    '94 1500 4x4 no heat


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    Blower motor is new,heater core is new,coolant full,no blown fuses,blower works on all speeds,cool air coming from vents and defrost. Funky HVAC display. Can adjust from cold to hot w key on,but display is blank w truck running and when I push the +/- to adjust heat, the display flashes. I have the clicking from the AC vent motor that I need to fix. Not blowing any warm air at all. I'm really confused. Any ideas?

  2. #2
    Registered User Srabai47's Avatar
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    Dec 2010
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    Toledo
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    575

    Re: '94 1500 4x4 no heat

    sounds like its busted. if you pop the tape player out/whatever you have in the center of the dash you can look in there and see a cable that connects to a red clip. that cable is what controls the heat/coolant going into the heater core.
    1994 Chevrolet C1500 Suburban 5.7 260,xxx miles.

    1994 Chevrolet C1500 SCLB W/T 4.3 TBI NV3500-(Rebuilt 02/23/12) 3.42 --268,xxx miles -Blew motor (3/20/13)



    1992 Toyota Celica (182,000miles) - Sold

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