Engine Control Module
Component Connector End Views
Engine Control Module (ECM) X1 (LS3 or LS7)
Engine Control Module (ECM) X1 (LS9)
Engine Control Module (ECM) X2 (LS3 or LS7)
Engine Control Module (ECM) X2 (LS9)
Engine Control Module (ECM) X3 (LS9)