Question about 1990 Ford Probe

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Switch or blower motor

My 1990 ford probe only blows heat at a low speed and i was told to check the switch or the blower motor and was wondering how to do that?

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Check your vacum hoses. you may have a vacum leak .

Posted on Feb 20, 2009

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What would make heat and air blower motor only run slow on every speed switch no matter low or high 1991 ford mustang


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1 Answer

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need new technician.if the blower motor works even with only one speed than the blower motor works and did not need replacement.sounds like blower motor resistor or resistor wiring,when there is a problem with the resistor or wiring you will only have one speed,this way you atleast have heat.so if your tech replaced the blower motor when it worked and did not need replacement then it sounds like he is just throwing parts at it,you have to wonder if he really checked anything.have the resistor and wiring checked and if ok then check the heater control head and wiring.

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