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Heater problem

(1999 Ford Explorer)
in Beverly Hills, CA on March 28, 2011
my heater only work when on max position,why?
Displaying 1 answer & 1 comment
Popular Answer
check the blower motor resistor it controls the fan speeds, most likely problem. If it's ok, check the speed control switch itself.
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on April 03, 2011
thank you i ll check the resistor

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