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Discussion Starter · #1 ·
Hi,

Just replaced the blower resistor. Positions 1 to 3 work, not 4. Resistor is pretty hot to touch. Could problem with 4 be related to temperator of resistor?
How hot is normal for that resistor?

Thanks
 

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The resistor will run quite hot, which is why it is located in the airstream of the HVAC system. When only position 4 works, it suggests the resistor pack is bad. When position 4 works, and some of the other positions do not, it suggests a problem with the blower switch.
 

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Discussion Starter · #3 ·
Thanks, I will go that direction. The confusing thing is that the thermal fuse went on the new resistor. Luckily I found an equivalent? at Radio Shack for $1.69, rated for 142 C or 288 f, same color scheme as the one from Ford. I am about to try it again.
 
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