Cat C7 Wire Diagram (sn. YPG & C7T)


Factory printed wire diagram for Caterpillar C7 engines.  Printed on special paper to resist the wear & tear of shop environment.

  • Engine Model: C-7
  • Engine S/N Prefix: YPG & C7T


1. Wire diagrams
2. Wire Colors
3. ECM pin numbering
4. Sensor torques
5. Fault codes
6. Diagnostic procedures


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