2000 Chevy Lumina Could not locate a/c circute or AC blowe

2000 CHEVROLET LUMINA
270,000 MILES • 6 CYL • 2WD • AUTOMATIC
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SHETTYSUNDER
  • MEMBER
  • 2 POSTS
My car A/C was ok till last week.Now no cool air.Thing is blower not working when i switch on A/C. where is its relay location ???there are 2 fuse box one near battery and other below steering wheel.I cannot identify any fuse which controls a/c circute.Here blower means fan near radiator.not the one which blows air inside sedan.when engine temp. goes up both radiator fan works fine.i feel i cannot hear clutch on/off sound.so somehwere 24v missing.but first step should be fuse.where it is?that is causing problem i feel as i faced long a/c problem in my old mazda car.
Mar 15, 2008 at 9:58 AM
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ED ARMES
  • ASE Certified Mechanic
  • 129 POSTS
  • ASE Certified Mechanic
Weak information. Is a/c compressor kicking on? Does blower work with heater on? Does blower work at any speed at all?

There are fuses that control the blower motor and a relay for the blower motor.

Fuse will most likely be a 20 amp and the relay will be a small black box about 1 inch square in size. You may also have a bad resistor which controls blower speeds and it is usually found around the blower motor and some times inside the air box under the blower motor.
Mar 15, 2008 at 10:18 AM
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