2004 Hummer H2 Support Question
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Question posted by Anonymous-63070 on June 17th, 2012
What Is Tbc Accy Fuse Used For It's Draining My Battery
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Answer #1: Posted by freginold on May 24th, 2020 6:21 AM
According to this list of acronyms, the TBC is the truck body controller, or the computer inside the Hummer. You can see the location of where the TBC ACCY fuse on page 5-98 of the owner's manual.