Brad's Car Manuals
: A 3rd party mirror of CHARM + LEMON car manuals
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Hummer
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2008
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H3 Alpha
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Repair and Diagnosis
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General Information
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OEM General Information
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Programming And Setup
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Repair Instructions
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Engine Control Module Programming and Setup
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ECM Reprogramming
ECM Reprogramming
Download the full database via torrent (~1.1 TB)
If the ECM needs to be reprogrammed, refer to
Service Programming System (SPS)
.