Cummins ISX CM871 (Without Aftertreatment) Wiring Diagram

4.5 out of 5 (2 reviews)
SKU: ISX-CM871-NO-AFTERTREATMENT-WD Category: Cummins
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Cummins wiring diagram for the ISX engine with CM871 electronic control, pre-aftertreatment (pre-DPF/SCR) configuration.

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Compatibility
  • Manufacturer: Cummins
  • Model: ISX CM871 (without aftertreatment)

Description

Cummins ISX CM871 (Without Aftertreatment) Wiring Diagram

This is the Cummins factory wiring diagram for the ISX engine with CM871 electronic control, in its without aftertreatment configuration - i.e. the pre-2007 emissions architecture, before DPF/SCR aftertreatment systems were added to Cummins' on-highway engines.

What's Covered

  • ECM connector pinouts
  • Sensor and injector wiring
  • Harness routing

Delivered as an instant digital PDF download.

Specifications

ManufacturerCummins
EngineISX, CM871 electronic control
ConfigurationWithout aftertreatment (pre-DPF/SCR)
ApplicationOn-highway heavy-duty trucks
Format / LanguagePDF / English

Customer Reviews

4.5
Based on 2 reviews
Jason Anderson Sep 19, 2026

Easy to Reference

The layout was straightforward and convenient to use when checking wiring connections and system details.

David Mitchell Sep 16, 2026

Clear Wiring Diagram

The diagram was well organized and easy to follow. The electrical information was clearly presented and simple to review.

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