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- Hummer H3 (https://www.hummerforums.com/forum/hummer-h3-17/)

- - fan not working on 4 setting (https://www.hummerforums.com/forum/hummer-h3-17/fan-not-working-4-setting-24691/)

palmxjjsi

07-13-2011 05:14 AM

fan not working on 4 setting

anyone else had this problem? My09 H3 Ac fan does not blow when I turn it to the High speed #4, if so can you help me , It works on the other 3 speeds just not on 4, Is it a fuse, switch, relay ?

drtom

07-13-2011 09:30 AM

fan problems covered 419 times. last time was,,,yesterday,,,you might just look for a post about blower fan,etc,,,not far from where u r !!

Mitchell Glover

06-22-2018 06:46 PM

Did you ever find a solution?

happythree

06-22-2018 10:02 PM

hope, its 7 years...

Doc Olds

06-25-2018 08:25 AM

Wow!

https://cimg3.ibsrv.net/gimg/www.hum...8846455bce.jpg

https://cimg7.ibsrv.net/gimg/www.hum...a1180cb799.jpg

D?on Brooks

07-04-2018 03:05 PM

GM recall

[QUthereOTE=Mitchell Glover;352830]

Did you ever find a solution?

[/QUOTE]
There is a relay that overheats and burns the contacts, located Under passenger side footwell,
right above where the floor mat ends. If you don't want to bother with recall issue, part is between $30 & 40. Not difficult to change depending on how bad wiring and connected are
damaged. Good luck.
Don

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