Cummins ISB CM550 23-Pin Wiring Diagram PDF

Covers: Cummins ISB 5.9 CM550 Wiring for ECM p/n 3942860, 3944124, 3990517

• Contact us with your ESN if you have any compatibility questions

This digital download includes 1 large sheet containing the wiring schematic to help with troubleshooting the ISB 5.9 CM550 truck engine’s electronic control system. The large, high resolution format makes it easy to zoom in on particular circuits and trace wires. The diagram is labeled and includes engine and connector pin views.

A high resolution OEM PDF diagram will sent by email link and can be viewed on your computer, tablet, or smartphone.

Digital download only.

File details:

• Language: English
• File size: 1mb
• Format: PDF
• Features: Zoom
• Compatible with: PC/Mac/Tablet/Smartphone