Front and Rears fans inopperative

2007 BUICK TERRAZA
135,000 MILES
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ROHLER
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  • 2 POSTS
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.
Apr 19, 2012 at 5:05 PM
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DOCFIXIT
  • ✓ASE Certified Mechanic
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Use a test light or meter in underhood fuse/relay box check for power to Fuses # 27-28 key on
Apr 19, 2012 at 5:20 PM
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RASMATAZ
  • ✓ASE Certified Mechanic
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  • ASE Certified Mechanic
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-
Apr 19, 2012 at 5:25 PM
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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.
Apr 19, 2012 at 11:11 PM
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DOCFIXIT
  • ✓ASE Certified Mechanic
  • 18,828 POSTS
  • ASE Certified Mechanic
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
Apr 20, 2012 at 7:36 PM
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