Front blower quit working

Tiny
LEANORE HAYES
  • MEMBER
  • 2002 CADILLAC SEVILLE
  • 4.6L
  • V8
  • 2WD
  • 70,000 MILES
Front blower quit working the back blower works.
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Wednesday, April 24th, 2019 AT 2:55 PM

5 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good evening,

I attached a wiring diagram for you to view. Check the fuse I circled for power on both sides.

If that is good, you will need a volt meter or test light to do some tests to see if the blower motor or the resistor is the issue.

Roy
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Wednesday, April 24th, 2019 AT 3:50 PM
Tiny
LEANORE HAYES
  • MEMBER
  • 16 POSTS
We checked the fuses out already and they are good. So we will test the resistor and blower motor next. Thanks
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Wednesday, April 24th, 2019 AT 5:47 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
You are welcome.

Always glad to help.

Roy
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Wednesday, April 24th, 2019 AT 6:18 PM
Tiny
LEANORE HAYES
  • MEMBER
  • 16 POSTS
  • 2002 CADILLAC SEVILLE
  • 3.2L
  • V8
  • 2WD
  • AUTOMATIC
  • 73,000 MILES
When replacing the blower motor noticed the plug to the motor was burned. What needs to be replaced?
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Wednesday, June 12th, 2019 AT 3:55 PM (Merged)
Tiny
STEVE W.
  • MECHANIC
  • 12,883 POSTS
Welcome back to 2CarPros. As you found the connector burnt I would replace it. You can usually find replacement pigtail connectors at parts stores or the dealer. The burnt area was most likely caused by the blower motor slowly failing. That increases the resistance which increases the current required to make the motor operate. That in turn causes heat which makes the connectors lose spring tension, that causes more resistance and the cycle continues until something fails.
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Wednesday, June 12th, 2019 AT 3:55 PM (Merged)

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