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Cummins Signature/ISX15 Wire Diagram CM870


Laminated fold-out Cummins Signature ISX15 CM870 wire diagram for the engine control system. Includes specifications, & fault code info.   Sturdy, laminated all-weather construction.

Availability: 5 in stock

SKU: TMCU1341 Categories: , Tag:
Cummins Signature/ISX15 ECM Wire Diagram CM870

Cummins Signature/ISX15 ECM Wire Diagram CM870

Are you ready to tackle ECM fault codes and wiring issues for your Cummins Signature/ISX15 engine with ease? Look no further than the factory printed laminated wire diagram for the CM870 control module! This dynamic and comprehensive wire diagram is a game changer for troubleshooting and repairing electronic control issues.

Printed by Cummins, this fold-out wire diagram is a true lifesaver, providing color-coded ease of use and ultra-clear specifications. What’s more, fault code diagnostics and solutions are at your fingertips, ensuring a seamless and efficient repair process.

And the best part? This wire diagram is not just a handy resource, it’s super durable too – laminated for easy cleaning and increased longevity. With ohms, volts, and step-by-step instructions at your fingertips, you can confidently resolve any ECM related issues with your Cummins engine.

So, don’t waste any more time struggling with engine-related issues. Grab your Signature ISX15 ECM CM870 factory laminated wire diagram today and take control of your engine’s repair and maintenance needs.

This diagram package is easy to use & will help technicians shorten their diagnostic time.  This allows them to increase shop profits.


Cummins Signature/ISX15 ECM Wire Diagram CM870

Cummins Signature/ISX15 ECM Wire Diagram CM870

Engine: Signature/ISX15

The Cummins Signature/ISX15 CM870 ECM Wire Diagram Includes:

  • ECM pin locations
  • Wire diagram (color-coded)
  • Connectors
  • Each controlled or controlling sensor, etc.
  • Separation of Cummins responsibility and truck manufacturer responsibility connections
  • Electrical specifications and reading parameters (volts-amps-ohm readings)
  • Fault codes, fault reasons, fault effects

Laminated surface allows for the use of erasable marker while performing diagnostics.  Marker can be erased when finished.

Need more factory service manuals?  Click here.

Need diagnostic software or computers?  Click here.


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Cummins Signature/ISX15 Wire Diagram CM870

Availability: 5 in stock