hvac vents

  1. H

    HVAC and A/C acting up on first startup

    1996 Chevy k1500 5.7 5 speed. I did a bit of digging for a few minutes to see if this was mentioned before and couldn't find anything, I've got quite an interesting issue with my A/C. To clarify before I explain, once the wheels start turning, the AC blows cold, and all the HVAC controls work...
  2. Andrew Heide

    1998 Blend, Temp, Recir door actuators... How do they work?

    Hello, I'm looking to understand how the actuators work in a 98 gmt400. According to my diagrams and physically looking at the plugs, they only use three wires. Fused power (BRN), a signal wire, and a ground (BLK). When compared to a 90 actuator with five wires, +5v feed, mtr +, mtr -, ground...
  3. hekg

    AC blowing out of the wrong vents now >:(

    My ac vents are acting up, when I put the controls on face with max cool and recirculate, the air actually blows out hard and cold but it blows through the floor vents. To get the air to blow through the face vents I have to turn off both max and recirculate but now the air comes out weaker and...
    • hekg
    • Thread
    • ac controls av vents hvac vents
    • Replies: 4
    • Forum: Electronics

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