Mechanics

FORD EXPLORER HEATER PROBLEM

1993 Ford Explorer • 263,000 miles

Heater fan runs on high, some times, but doesn't run at all in any other position. Replaced the resistor and fan ran in all positions for a brief while, but with a loud, intermittent sound like the damper door were fluttering. When the fan quit running this time, it seemed like an overheated or electrical smell came from the heater control. Any idea what's causing the resistor to go, the intermittent sound when the fan runs or checks to perform on the heater control?
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Guest
November 27, 2012.




The fan may be drawing to much power or it 's got a bad ground. And just from use things will heat up an dloose power, you may have to replace the swtich that controls fan as well. It may be burnt up due to age/mileage.

Hmac300
Nov 27, 2012.


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