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Hi, my 72 is born with ac, but most parts like evaporator, condenser and blower are missing.
I have decided to go without ac and have rebuild the heater box to be non ac like, but have kept the heater core.
Now I am struggling to find the right blower motor. Should I go for an ac or non ac blower? Some dealers have different blowers for the two setups and some list the same for both.
I am looking at ac delco 15-80666 on ebay, it seems to fit except for models with "ac press on", what ever that is.
I am confused and any guidance is much appreciated
Long shot here but did you ever get your answer? I'm in the same boat.
Originally Posted by awg
Hi, my 72 is born with ac, but most parts like evaporator, condenser and blower are missing.
I have decided to go without ac and have rebuild the heater box to be non ac like, but have kept the heater core.
Now I am struggling to find the right blower motor. Should I go for an ac or non ac blower? Some dealers have different blowers for the two setups and some list the same for both.
I am looking at ac delco 15-80666 on ebay, it seems to fit except for models with "ac press on", what ever that is.
I am confused and any guidance is much appreciated
Looks like the 63-71 blower motor was the same Non-AC or W/AC
Same for 72-1st Design 1977...
The problem you may find is the harness, heater control switch and resistor are different from Non-AC and W/AC cars.
HVAC Blower motor
and any guidance is much appreciated 
