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Originally Posted by pappap999
heater/ac blower switch will not shut off even with key removed from ignition. this was repaired once around dec. 2003 I am now out of warranty at 45,000 miles. the dealer says they will look at it but I know I am in for some cash out of pocket. what can be the problem that this occured so soon after being replaced only 8 mos. ago? what could be my options as I do not have lots of cash available? also, I am using the battery cable to shut the blower down. I am using the car as little as possible so this does not cause any other problems. PLEASE HELP ME!!!
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Welcome on your first post on AF.
We need more info like year make and model and automatic or manual ac/heater controls.
You have a relay or fan control, module sticking.
If this is the second failure you also may have a bad fan motor pulling to many amps buring up relay or module. Needs tested for amp draw also.
And go easy on that battery disconnect.
Try unpluging the fan motor ,relay or module.
If you have to disconnect a batter always disconnect neg first and hook it up last or you can blow up a lot of electronic stuff.
MT