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Cars & Trucks Master
12,962 Answers
- Posted on Dec 03, 2015
Re: Heater blower does not work on settings 1 2 and 3 but...
Bad ignition switch. Speeds 1,2,&3 go thru switch. Speed 4 does not and will work all the time provided fuse and motor is good. Your AC will not work either on speed other than 4.
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