Engine Control Module
Component Connector End Views
Engine Control Module (ECM) C3
Engine Control Module (ECM) C3 (Pin 1 To 38):
Engine Control Module (ECM) C3 (Pin 39 To 73):
Powertrain Control Module (PCM) X1 (4.2L)
Powertrain Control Module (PCM) X1 (4.2L) (Pin 1 To 34):
Powertrain Control Module (PCM) X1 (4.2L) (Pin 35 To 56):
Powertrain Control Module (PCM) X2 (4.2L)
Powertrain Control Module (PCM) X2 (4.2L) (Pin 1 To 32):
Powertrain Control Module (PCM) X2 (4.2L) (Pin 33 To 73):
Powertrain Control Module (PCM) X3 (4.2L)
