Cummins QSL9, QSC8.3 Marine CM850 Electronic Control Module with SmartCraft 1.0 Wiring Diagram

4.5 out of 5 (2 reviews)
SKU: QSL9-QSC83-MARINE-CM850-SMARTCRAFT1.0-WD Category: Cummins
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Cummins wiring diagram for the QSL9 and QSC8.3 marine engines with CM850 electronic control and SmartCraft 1.0 marine control network.

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Compatibility
  • Manufacturer: Cummins
  • Model: QSL9, QSC8.3 Marine (CM850, SmartCraft 1.0)

Description

Cummins QSL9, QSC8.3 Marine CM850 with SmartCraft 1.0 Wiring Diagram

This is the Cummins factory wiring diagram for the QSL9 and QSC8.3 marine engines with CM850 electronic control and the SmartCraft 1.0 marine control network (an earlier generation than the SmartCraft 2.2 DTS system also in this catalog).

What's Covered

  • ECM connector pinouts
  • SmartCraft network wiring
  • Helm display and gauge wiring
  • Sensor and injector wiring

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Specifications

ManufacturerCummins
Engine FamilyL-Series (QSL9), C-Series (QSC8.3) - Marine
Electronic ControlCM850
Marine Control NetworkSmartCraft 1.0
Format / LanguagePDF / English

Customer Reviews

4.5
Based on 2 reviews
Brandon Miller Sep 19, 2026

Easy to Reference

The layout was straightforward and made it convenient to check wiring connections and system details.

Patrick Wilson Sep 16, 2026

Clear Wiring Layout

The diagram was well organized and easy to follow. The electrical information was clearly presented for reference.

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