C7 and C9 Industrial Engines Troubleshooting – Electrical Connectors

Connectors for the Electronic Control Module (ECM)


Illustration 1 g02141017
Locations of the components at the ECM

(1) P2 ECM connector (ECM side)

(2) P1 ECM connector (ECM side)

(3) P2 ECM connector (harness side)

(4) P1 ECM connector (harness side)

(5) ECM

Injector Connectors

Connectors at the Valve Cover

Connector at the Injector

Illustration 3 g01717773
Typical injector

Sensor Connectors

Analog Sensor Connector (active)

Analog Sensor Connector (passive)

Connectors for the Termination Resistor

Engine Speed/Timing Connector

Ampseal Connector (typical)

Deutsch Connectors (typical)

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