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Heater Cores and Blower Fans
Oldsmobile Cutlass Supreme

On a 1993 olds cutlass supreme where would you find the blower or heater fan?

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Wiki User
2006-03-03 01:12:43
2006-03-03 01:12:43

At the firewall on the passenger side

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Yes, if the blower isn't working. If it turns out to be the fuse, and it blows again, you probably have a bad blower motor.

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The blower may simply have burned out. If the blower is out then the heater probably still works.

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fuse will be in fuse box. it will be labelled, either, heater fan or blower

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The master cylinder contains the reservoir for the brake fluid. This is where you would add it on an 1990 Cutlass Supreme.

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A bad heater blower motor resistor would effect one or more blower speeds other than high.

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The year, make and model info would help but generally the heater blower motor resister is located close by the heater blower motor.

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The relay on the heater/blower circuit on a Ford Escort MK6 is probably behind the glove compartment. There are two popular places that Ford puts its heater/blower relay switches. The other place would be next to the blower motor itself.

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Blown fuse? Bad blower motor? Bad blower motor resistor? Bad blower motor switch?

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Sometimes the Cutlass sedan and the Delta 88 would share the same wheel design.

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If you are referring to the blower motor squealing, then I would suspect the blower motor bearings have failed.

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It seems that they most problems with the 93' Oldsmobile cutlass supreme would be the engine and the break. Those seem to go out the most on this car.

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blower motor bad or no power to it chech fuses blower switch blower motor

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Poor coolant circulation from a plugged up heater core. Try flushing the heater core and replacing the thermostat.

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Could be, heater blower motor has failed. blower motor fuse is burned out. blower motor speed resistor is burned out. blower motor switch is bad. or, if the blower motor works but you have no heat it could be, cooling system is low on coolant. thermostat is stuck open. heater core is plugged. temp blend door actuator is faulty.

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The only relay in the heater system would be for the high speed function of the blower motor. That rely would be located under the hood, on the firewall, close to the blower motor resistor.

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Replace the resister, if that doesn't work replace the blower motor.

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sad to say.but i do not know either... i have a 1994 cutlass supreme sl and am looking for the same answer. if you hapen to find the answer. i would appreciate it if you would contact me at jazingg@mail.com thanks

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Replace ignition module (under the distributor cap)

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Blown fuse, defective blower motor resistor pack, defective blower motor, a bad switch, or disconnected or loose wiring.

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It may not have one on a '73. If it does it would be under the dash.

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If the heater fan works on all speeds, then the blower motor, blower fuse, blower relay, and blower motor resistor pack are all good. If the fan runs but nothing comes out of the vents, you have a 'mode door' issue (which might include a bad control head).


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