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  1. R

    Heater worked great now no air flow.

    I jumpered the battery to the blower motor and it did not come on so i assume the motor is bad.
  2. R

    Heater worked great now no air flow.

    Ok thats the wire that connects to the blower motor terminal.
  3. R

    Heater worked great now no air flow.

    Ok thank you that saves me some trouble.
  4. R

    Heater worked great now no air flow.

    So since i dont have an a/c anymore i could get a new motor that is for a non a/c truck?
  5. R

    Heater worked great now no air flow.

    Here are some pictures of my setup.
  6. R

    Heater worked great now no air flow.

    This is awesome info thanks guys. But im going to replace both of them. But im not sure which blower motor to get. Theres one for 11/16 vent hole and 7/8. Ill try and take some pictures today.
  7. R

    Heater worked great now no air flow.

    Can i get to the resistor without any disassembling? And would mine have an 11/16 or 7/8 vent hole? Its a 77 gmc grande sierra 2500.
  8. R

    Heater worked great now no air flow.

    I just went and looked at it. There is a hose that comes off the side of it thats disconnected! Whats this hose?
  9. R

    Heater worked great now no air flow.

    Where is the resistor located?
  10. R

    Heater worked great now no air flow.

    HELP!!!! Heater worked great now no air flow.!!PICS up!!! Hey guys. I just bought a 77' gmc k2500 and the heat was working great and blowing out strong. Then i turned the truck off and when i turned it back on there was nothing. No heat and no airflow coming through anywhere. Could my...
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