HomeHow do you fix the heater and or blower on a 1999 Pontiac Grand Prix?
Wiki User
2015-07-15 18:57:12
2015-07-15 18:57:12
i broke down and paid to have this fixed. My mechanic said this is a fairly common problem on the older grand prixs. He had to replace the relay as well as the blower motor, total cost was $400.
Related Questions
Replace the fan blower resister
It should be in the heater blower motor case which is located under the glovebox.
You can test your heater blower motor by connecting a ground wire to the ground. Connect a power wire, from the battery to the positive post. If the blower motor turns it is working, and if it does not it is bad.
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The heater blower motor on a 1999 Subaru Impreza is in the engine compartment on the passenger side of the vehicle. It is located on the firewall.
Turn the key off and remove it. Unplug the electrical connector at the heater blower, then unbolt the blower and pull it out. Place the new blower in position and bolt it into place. Connect the electrical connector, then start the car and verify that it blows.
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Most likely a bad heater core
The Heater/Blower Relay is on the blower motor housing under the dash in the passenger compartment on 1999-2002 models
i replaced my heater core and it has been fine ever since (8 months )
There is a resistor pack operated by the fan switch. It has failed. You need to replace it.
Have you checked your coolant? Kind of obvious but sometimes overlooked.
sometimes this is caused by the blower resistor heating up and shutting the circuit down, or it could be in the blower itself heating up and shutting down.
how do i chanfe the fule filter on a 99 Pontiac grand am
pretty much the entire dash, all the way to the firewall. its a huge job
You'll find the heater blower motor resistor in the heater/air conditioner compartment. This compartment is location underneath the dashboard. This is the part that allows the heater blower motor to change the fan's speed.
on a 97 Pontiac grand prix it is located on the passenger side, under the dash. the resistor is located behind the blower motor. there are 3 screws that hold it in place. the back two screws are hard to get to, you don't need to remove the back two but they need to be loosen. how to get them removed??? im still trying to figure out a tool to get in there. good luck!
My 1999 Pontiac Grand Am has over 180k
The 1999 Pontiac Grand Am AIT sensor is located on the outside of the air filter housing. The sensor will be on the back of the housing.
Why wouldn't it? There is NO difference between a 1999 and a 2000, as of right this second i have a 1999 Pontiac grand am with a 3.4 liter (what your looking at right now) and built it from ground up. I know plenty about cars.
average mile for a 1999 grand am
If the heater does not work, check: -heater fuses and/or any heater relays -heater control head -heater blower motor resistor
were is the starter relay fuse on a 1999 Pontiac Grand Prix
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