RepairPal Certified shops can diagnose and repair your 2009 Hummer H3. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
BLOWN FUSE !
Use the link posted below - look at the diagram - there’s multiple possibilities!
https://www.autogenius.info/hummer-h3-2008-2009-fuse-box-diagram/
Good chance you’ve blow a fuse while attempting repair.. Hell - *TEST* ALL OF EM. Good luck!