Blower motor module works for a while, but it stops?

Tiny
JKMC55
  • MEMBER
  • 2010 FORD F-150
  • 5.3L
  • V8
  • 2WD
  • AUTOMATIC
  • 257,000 MILES
My AC stops working. Compressor does not engage; I replace the module on blower motor. It works for a while, but it stops and I have to replace it again.
Wednesday, January 29th, 2025 AT 8:33 PM

4 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 110,176 POSTS
Hi,

Are you referring to the blower motor resistor? I that part keeps failing, make sure the electrical connections are in good condition and not arcing.

If they are good, there is a good chance the blower motor itself is drawing too much amperage and causing the resistor to fail.

Take a look at the pic below and let me know if that is what was replaced. They refer to it as the blower motor speed control unit.

Let me know.

Joe

See pic below.
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Wednesday, January 29th, 2025 AT 8:39 PM
Tiny
JKMC55
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That helps a lot, Thanks.
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Thursday, January 30th, 2025 AT 9:02 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 54,261 POSTS
Did you get the problem fixed? If so what fixed it?
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Saturday, February 1st, 2025 AT 9:36 AM
Tiny
JKMC55
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Not yet.
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Saturday, February 1st, 2025 AT 10:15 AM

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