Front and Rears fans inopperative

Tiny
ROHLER
  • 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

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Tiny
DOCFIXIT
  • EXPERT
  • 19,023 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
  • MEMBER

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

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
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  • 19,023 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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