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Engine Control Module
Component Connector End Views
Engine Control Module (ECM) X1 (5.3L/6.0L)
Engine Control Module (ECM) X1 (5.3L/6.0L) (Pin 1 To 33):
Engine Control Module (ECM) X1 (5.3L/6.0L) (Pin 34 To 56):
Engine Control Module (ECM) X2 (5.3L/6.0L)
Engine Control Module (ECM) X2 (5.3L/6.0L) (Pin 1 To 54):
Engine Control Module (ECM) X2 (5.3L/6.0L) (Pin 55 To 73):
Engine Control Module (ECM) C3