Question about 1999 Pontiac Montana
Heater fan will not run on 1 2 3
You need to replace the heater fan blower motor speed dropping resistor it is burned out. The resistor is under the dash next to the blower motor on the passenger side of the Van
Posted on Nov 05, 2012
To remove the fan there are 3 bolts (8MM socket but a phillips works as well). The back one is hardest and a stubby phillips is best.The resistor has 3 as well but if you remove the front one you can tip it and pull it off the back 2. I did all this on two vehicles as the first one had the wrong resistor. After trying the used parts I found out that it was actually the switch that was not functioning! Removing the switch would have been easy except for the 2 screws inside the cup holder that needed to come out.Just getting the cup holder out was a challenge but you have to tip it up at the front and then pull it out.There are also two screws on the side of the cup holder to remove.The top of the console just snaps out.
Posted on Jun 06, 2013
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Posted on Jan 02, 2017
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