I own a 1996 blazer(not a S10) and i recently replaced the heater blower motor. now my problem is when i turn on the heater i get heat blowing out on settings 3+4 but nothing on settings 1+2. so i am either to hot or to cold, now this problem was also happening before i changed the blower motor. i have never ran into a problem like this before.. can anyone help?

 

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