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I tried searching this topic but couldn't find anything. If you've run across this problem point me in the right direction. Thanks!
On my C5 the AC, Heater, Rear Window Defog all work but there are times when the switch won't work so they won't turn on and the fan won't work. At times I can smack my fist against the side panel by the switch **** and it will work but that's not always successful. Any suggestions?
There is a resistor pack that provides the various speeds for the fan. Common C5 failure is that the resistors fry. Replacement resistor pack is available from many parts store and if you are very rich from the Stealership also....