Caterpillar C15 On-Highway Truck Engine Electrical System Wiring Diagram (2006 Edition)

4.5 out of 5 (2 reviews)
SKU: CAT-C15-ONHIGHWAY-ELEC-2006 Category: Caterpillar
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Caterpillar electrical system wiring diagram, publication RENR9523-01, for the C15 On-Highway Truck Engine, harness 243-1069. Includes full Data code / PID-FMI diagnostic code listing.

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Compatibility
  • Manufacturer: Caterpillar
  • Model: C15

Description

Caterpillar C15 On-Highway Truck Engine Electrical System (2006 Edition)

This is the genuine Caterpillar factory electrical wiring diagram, publication RENR9523-01 (February 2006), for the C15 On-Highway Truck Engine, covering harness 243-1069 connector and splice locations.

What's Covered

  • Connector tables (A-C1 through A-C12) with wire name, position, and terminal/plug part numbers
  • Accessory tables with plug, paint/pro, and wedge part numbers
  • Front and rear valve cover connector locations, intake valve actuation pressure solenoid valve
  • Complete data code / PID-FMI diagnostic code listing (injector faults, coolant level, ambient air temperature, retarder, fuel temperature, engine speed, transmission communication, theft deterrent, and more)

Delivered as an instant digital PDF download.

Specifications

ManufacturerCaterpillar
ModelC15 On-Highway Truck Engine
Harness Number243-1069
Publication NumberRENR9523-01
ContentConnector tables + full flash code/PID-FMI diagnostic listing
Format / PagesPDF / 2 pages

Customer Reviews

4.5
Based on 2 reviews
Michael Carter Sep 15, 2026

Useful Electrical Reference

A helpful reference for checking circuits and connections. The layout is clear and easy to follow.

Andrew Parker Sep 12, 2026

Clear Wiring Diagram

The diagram is well organized and made it easy to locate the electrical information I needed for the C15 engine.

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