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Front and Rears fans inopperative

Tiny
ROHLER
  • MEMBER
  • 2007 BUICK TERRAZA
  • 135,000 MILES
Hi. Both the front and reare fans have stopped working on my mini van. They stopped at the same time. I have checked the fuse indicated in the owners manual and all seems well.

Seems strange that both fans stop working simultaniously.
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Thursday, April 19th, 2012 AT 5:05 PM

4 Replies

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Use a test light or meter in underhood fuse/relay box check for power to Fuses # 27-28 key on
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Thursday, April 19th, 2012 AT 5:20 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check and test the blower motor run relay in the underhood fuse block and also could be coming from the body control module below left side of dash-
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Thursday, April 19th, 2012 AT 5:25 PM
Tiny
ROHLER
  • MEMBER
  • 2 POSTS
I checked fuses #26 & #27 (diagram on underhood fuse box lid) and there is no power to either side of the fuse.

When I run a wire from the battery + to one side of the fuse (#26 or #27) the fan opperates.
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Thursday, April 19th, 2012 AT 11:11 PM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Find motor run relay same box see if there is a schamitic on body of relay. The3 BCM grounds relay need to see if relay bad or BCM
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Friday, April 20th, 2012 AT 7:36 PM

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