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A/C blower not working on highest fan speed.


mom's_van
06-28-2010, 08:50 PM
On 2001 Olds Silhouette GL Van, 115,00 miles. Any ideas what is causing this problem? And if I can fix it myself? Thanks!

roadrunner2
06-28-2010, 09:21 PM
Any ideas what is causing this problem? And if I can fix it myself? Thanks!

You don't ID the vehicle (including the mileage).

Unless you have a worn fan speed switch, the fault may be a bad resistor in the resistor block (which is attached to the blower motor).

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