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How do you replace a blower motor resistor in a 2000 Grand Am GT?

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2015-07-15 21:08:12
2015-07-15 21:08:12

I have a 2000 Grand Prix GT and recently replaced the blower motor resistor. First of all, there is no need to go to the dealer for the part. I purchased it for $24.95 from a local NAPA dealer. The OEM p/n is: 15304891.

To replace the part, here are the steps I went through:

1) Remove the glove box. There are a series of 9/32" hex head fasteners that hold the glove box assembly in place. Some of the fasteners are inside the glove box itself.

2) After removing the glove box, remove the plastic trim piece that is behind the glove box (including the fuse panel cover). There are no fasteners here. The plastic trim piece snaps in and out.

3) Remove the small carpet section that is under the glove box just above the floor (three plastic push-in type plugs hold it in place).

You now have a good size opening to work with. You will see the blower motor assembly directly behind where the glove box was. The resistor is tucked up and behind the blower motor. I had to lay on my back and slide up under the dash to find the part. It is nestled up against the fire wall.

The resistor is an oldly shaped black plastic formed piece with two wire harnesses connected to it. One is a two wire connector (one black, one purple) that plugs directly into the blower motor. The other harness is a seven wire straight plug type connector that was white on my car.

To remove the resistor, there are three 7/32" hex head fasteners. One is fairly easy to remove, the second is difficult, the third isn't even visible. I removed the first two and by wiggling the resistor was able to work it loose from the third fastener.

Be careful when taking out the resistor as there is a printed circuit board attached to it that is up and inside the blower motor housing.

Reinstallation is pretty much the reverse procedure.

Good Luck!!

Grand Am is different than Grand Prix. No need to remove glove box for GA. Merely remove the plastic covers under the glove box, the connector to the resistor, and the 2 screws mounting the resistor.

This is also the same for the 1998 old's Intrigue. Just take off the sound shield from under the glove box. The resistor is by the firewall behind heater

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Resistor is located behind the blower motor assembly.

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The blower motor speed resistor is burned out. You can replace only the resistor but the resistor probably burned out because the blower motor is going bad. If you want to fix it for good, replace both the blower motor and blower motor speed resistor.

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Check to see if you are getting power to blower motor - if so replace blower motor If not check fuse, switch, resistor pack.

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Check to see if you have 12 volts at the blower motor. If yes then the blower motor is bad. If no, then the resistor, relay, or fuse is bad.


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