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Home >> Hummer >> 2008 >> H3 L5-3.7L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Engine Control Module >> Diagrams >> Connector Views
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Connector Views

Engine Control Module (ECM) X1









Engine Control Module (ECM) X2












Engine Control Module (ECM) X3








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