Detroit Diesel DD13/DD15/DD16 Electrical Wiring Schematics Collection

This wiring reference for the Detroit Diesel DD13/DD15/DD16 Electrical Wiring Schematics Collection helps you follow circuits, connectors and harnesses when you are diagnosing an electrical problem or checking a repair.

The document is 37 pages long and is referenced as DDC-SVC-MAN-0000.

What the diagrams cover

• GHG17 CPC3EVO wiring schematic and connector pinouts
• GHG17 DD13/DD15/DD16 Motor Control Module (MCM2.1) engine harness schematic
• GHG17 HDEP 1-BOX Aftertreatment Control Module (ACM2.1) electrical schematic
• GHG17 Common Powertrain Controller (CPC4) Vehicle Interface Harness (VIH) for Heavy Duty and Medium Duty
• GHG17 Liquid Only DEF Dosing System block diagrams (1US ATD, 2V2 ATD, 2HH ATD)
• GHG14 Powertrain CAN wiring harness schematic
• GHG14 DD13/DD15/DD16 Motor Control Module (MCM2.1) engine harness schematic
• GHG14 Common Powertrain Controller (CPC4) VIH
• GHG14 HDEP 1-BOX Aftertreatment Control Module (ACM2.1) electrical schematic
• EPA10 DD15 and DD13 Motor Control Module (MCM2) engine harness schematics

Coverage

DD13 / DD15 / DD16 (EPA07 - GHG17).

User help

1. Check the fit first. Compare your model and serial number with the coverage shown above. If you are unsure, message us with those details before ordering and we will help you confirm.
2. Get the file. This is a digital PDF download. Nothing is shipped, so you can start using it as soon as you have the file.
3. Read it on any device. The file opens in standard PDF readers on Windows, Mac, Android and iOS. Keep a backup copy so you always have it.
4. Jump straight to the section you need. Start from the table of contents or search for a part name, fault code or value, then print just those pages for the workshop.
5. Trace circuits methodically. Identify the circuit, connector or harness in the diagram, then check voltage, continuity and grounds at the points shown before replacing components.
6. Safety first. Work on machinery, fuel and electrical systems carries real risk. Follow the document's safety notes, use suitable tools and supports, and comply with local rules. If a job is beyond your experience, use a qualified technician.

Detroit Diesel and all model names are trademarks of their respective owners and are used here only to identify compatibility. This store is an independent seller and is not affiliated with or endorsed by Detroit Diesel. For informational and maintenance use.