C7.1 Engines Caterpillar


Electrical Connectors

Usage:

C7.1 881

Connectors for the Electronic Control Module (ECM)



Illustration 1g03744970
Locations of the components on the engine ECM
(1) P2 ECM connector (harness side)
(2) P2 ECM connector (ECM side)
(3) Engine ECM
(4) P1 ECM connector (ECM side)
(5) P1 ECM connector (harness side)


Illustration 2g03744980
Numbering arrangement of ECM connector pins

Connectors on the Dosing Control Unit (DCU)



Illustration 3g03745005
Locations of the connectors on the Dosing Control Unit (DCU)
(1) Dosing Control Unit (DCU)
(2) 86 pin Connector
(3) 53 pin Connector

Injector Connectors

Connectors at the Valve Cover



Illustration 4g03745086

Sensor Connectors

Analog Sensor Connector (active)



Illustration 5g01240891

Analog Sensor Connector (passive)



Illustration 6g01241538

Connectors for the Termination Resistor



Illustration 7g01355248

Engine Speed/Timing Connector



Illustration 8g01155187

Ampseal Connector (typical)



Illustration 9g02219254

Deutsch Connectors (typical)



Illustration 10g02220494

Caterpillar Information System:

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