1989 Chevrolet Suburban "fan motor works" Questions

motor working intermintantly. I've had the fan tested and it's fine. Could there be a vacum hose problem? The vacuum hose operates the mode selector not the fan. If you lost vacuum you would have only

...MOTOR. IF THE FAN WORKS ON ALL SPEEDS EVEN INTERMITTENTLY. THEN THE BLOWER RESISTOR IS OK WICH CONTROLLS THE VOLTAGE TO THE MOTOR TO GET THE DIFFERENT SPEEDS. WHEN THE RESISTOR BURNS OUT THE FAN JUST ...

fan not working from switch All fuses are good I jumped wire at blower and blower is working Heater blower motor resister is bad, replace, located under dash above heater motor. check relay and blower

...motor. You'll have to take it out and get a new one. Use a test light to see if there is power at the motor when the key is on and the fan switch is on. If power is present, then your motor is

rear fan switches work. Help please it could and could not be the switch. You also have a fan blower relay and a fan blower resistor that may be bad alone with the fan blower motor itself. Good Luck!!

...the fan off the subarbun blower onto the astro motor ? All I can say is try it. The worst-case scenario is that it won't work, in which case, you needed a blower motor for your Suburban to begin

...fan that need checked? When a blower motor does not turn on in low or med. and only turns on high its usally a resistor block. If nothing works it is most likely the bolwer motor itself or a fuse. ...

...it blows if the wire gets real hot you need to change the heater blower motor. You will probably need to change the heater fan motor resistor. follow the heater fan wire and it will go to the ...

changed the blower motor on 94 suburban blower motor works but no heat when i took off the old motor the fan fell off the motor I'm not sure what your problem is...

fan motor out and tested voltage. Here's what I saw which, to me, is strange. There are four ''knotches'' on the rotary switch corresponding to fan speed ... right? Defined in the schematic as Lo, M1,