See Fig. 1 for a full view of the Detroit Diesel Elec-
tronic Controls (DDEC) II wiring diagram. See Fig. 2
and Fig. 3 for partial (detailed) views of the full view
of the DDEC II wiring diagram. See Fig. 4 for a full
view of the DDEC III wiring diagram (the engine
side). See Fig. 5 and Fig. 6 for partial (detailed)
views of the full view of the DDEC III wiring diagram
(the engine side). See Fig. 7 for a full view of the
DDEC III wiring diagram (the cab side). See Fig. 8
and Fig. 9 for partial (detailed) views of the full view
of the DDEC III wiring diagram (the cab side). See
Fig. 10 for a full view of the Electronic Data Monitor
(EDM) wiring diagram. See Fig. 11 and Fig. 12 for
partial (detailed) views of the full view of the EDM
wiring diagram. See Fig. 13 for the Jake brake as
used with DDEC III wiring diagram.
03/03/2000 f540732
Fig. 3
Fig. 2
WATER LEVEL PROBE
NOTE: Connector end views are
shown from the cable insertion end.
Fig. 1, DDEC II Wiring Diagram
Detroit Diesel Electronic Controls (DDEC
®
) Wiring 54.17
Specifications
Heavy-Duty Trucks Service Manual, Supplement 23, December 1999 400/1
02/09/94 f540680
NOTE: Connector end views are
shown from the cable insertion end.
Fig. 3
Fig. 2, DDEC II Wiring Diagram (enlarged portion of Figure 1)
Detroit Diesel Electronic Controls (DDEC
®
) Wiring 54.17
Specifications
Heavy-Duty Trucks Service Manual, Supplement 23, December 1999 400/2
10/09/98 f540679
WATER LEVEL PROBE
Fig. 2
Fig. 3, DDEC II Wiring Diagram (enlarged portion of Figure 1)
Detroit Diesel Electronic Controls (DDEC
®
) Wiring 54.17
Specifications
Heavy-Duty Trucks Service Manual, Supplement 23, December 1999 400/3
02/16/94 f540720
Fig. 5 Fig. 6
Reference Diagram:
D06-21255 Chg. Ltr. C
Fig. 4, Detroit Diesel Series 50 and 60 Engines With DDEC III Wiring Diagram (engine-harness side)
Detroit Diesel Electronic Controls (DDEC
®
) Wiring 54.17
Specifications
Heavy-Duty Trucks Service Manual, Supplement 23, December 1999 400/4
02/16/94 f540721
Fig. 6
Fig. 5, Detroit Diesel Series 50 and 60 Engines With DDEC III Wiring Diagram (enlarged portion of Figure 4)
Detroit Diesel Electronic Controls (DDEC
®
) Wiring 54.17
Specifications
Heavy-Duty Trucks Service Manual, Supplement 23, December 1999 400/5
02/16/94 f540722
Fig. 5
Reference Diagram:
D06-21255 Chg. Ltr. C
Fig. 6, Detroit Diesel Series 50 and 60 Engines With DDEC III Wiring Diagram (enlarged portion of Figure 4)
Detroit Diesel Electronic Controls (DDEC
®
) Wiring 54.17
Specifications
Heavy-Duty Trucks Service Manual, Supplement 23, December 1999 400/6
f540717
Fig. 8 Fig. 9
01/26/94
Reference Diagram:
D06-21255 Chg. Ltr. C
Fig. 7, Detroit Diesel Series 50 and 60 Engines With DDEC III Wiring Diagram (cab-harness side)
Detroit Diesel Electronic Controls (DDEC
®
) Wiring 54.17
Specifications
Heavy-Duty Trucks Service Manual, Supplement 23, December 1999 400/7
02/16/94 f540718
Fig. 9
Fig. 8, Detroit Diesel Series 50 and 60 Engines With DDEC III Wiring Diagram (enlarged portion of Figure 7)
Detroit Diesel Electronic Controls (DDEC
®
) Wiring 54.17
Specifications
Heavy-Duty Trucks Service Manual, Supplement 23, December 1999 400/8
02/16/94 f540719
Fig. 8
Reference Diagram:
D06-21255 Chg. Ltr. C
Fig. 9, Detroit Diesel Series 50 and 60 Engines With DDEC III Wiring Diagram (enlarged portion of Figure 7)
Detroit Diesel Electronic Controls (DDEC
®
) Wiring 54.17
Specifications
Heavy-Duty Trucks Service Manual, Supplement 23, December 1999 400/9
f540723
Fig. 11
Fig. 12
02/16/94
Reference Diagram:
D06-21410
Fig. 10, Electronic Data Monitor (EDM) Wiring Diagram, Detroit Diesel Series 50 and 60 Engines With DDEC III
Detroit Diesel Electronic Controls (DDEC
®
) Wiring 54.17
Specifications
Heavy-Duty Trucks Service Manual, Supplement 23, December 1999 400/10
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Detroit Diesel ELECTRONIC CONTROLS DDEC3 Manual With Diagram
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Description
The Detroit Diesel Electronic Controls Manual with Diagrams, also known as DDEC3, is an essential resource for anyone involved in car repair. This manual provides comprehensive information and detailed diagrams for understanding and troubleshooting electronic controls in Detroit Diesel engines.
Whether you are a professional mechanic or a DIY enthusiast, this manual is designed to assist you in diagnosing and repairing electronic control issues effectively. It covers a wide range of topics, including electronic control module (ECM) operation, sensor and actuator functions, and diagnostic trouble code (DTC) retrieval.
With its clear and concise explanations, this manual is a valuable tool for gaining insights into the intricate electronic systems of Detroit Diesel engines. It is available in .PDF format, making it easily accessible for reference and use in various repair scenarios.
