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DDEC III/IV SINGLE ECM TROUBLESHOOTING GUIDE
93.7 COMMUNICATION HARNESS
The following wire schematics support the communication harness; see Figure 93-15.
Figure 93-15 Communication Harness
All information subject to change without notice. (Rev. 2/03)
6SE497 0207 Copyright © 2003 DETROIT DIESEL CORPORATION From Bulletin 1-SECM-03 93-17
93.8 DDEC IV 2002 EGR VEHICLE INTERFACE HARNESS — SERIES 50 ENGINES
93.8 DDEC IV 2002 EGR VEHICLE INTERFACE HARNESS — SERIES 50ENGINES
The following wire schematics support the DDEC IV 2002 EGR vehicle interface harness —Series 50 engines; see Figure 93-16:
See Figure 93-17 for continuation of this schematic.
Figure 93-16 DDEC IV 2002 EGR Vehicle Interface Harness — Series 50 Engine(Sheet 1 of 4)
(Rev. 2/03) All information subject to change without notice.
93-18 From Bulletin 1-SECM-03 6SE497 0207 Copyright © 2003 DETROIT DIESEL CORPORATION
DDEC III/IV SINGLE ECM TROUBLESHOOTING GUIDE
See Figure 93-18 for “Go to A”.
Figure 93-17 DDEC IV 2002 EGR Vehicle Interface Harness — Series 50 Engine(Sheet 2 of 4)
All information subject to change without notice. (Rev. 2/03)
6SE497 0207 Copyright © 2003 DETROIT DIESEL CORPORATION From Bulletin 1-SECM-03 93-19
93.8 DDEC IV 2002 EGR VEHICLE INTERFACE HARNESS — SERIES 50 ENGINES
See Figure 93-19 for “Go to B”.
Figure 93-18 DDEC IV 2002 EGR Vehicle Interface Harness — Series 50 Engine(Sheet 3 of 4)
(Rev. 2/03) All information subject to change without notice.
93-20 From Bulletin 1-SECM-03 6SE497 0207 Copyright © 2003 DETROIT DIESEL CORPORATION
DDEC III/IV SINGLE ECM TROUBLESHOOTING GUIDE
A printable 11 x 17 schematic can be found on the Extranet under DDEC Customer Support, A & I Installation Manuals, DDEC IV
On-Highway.
Figure 93-19 DDEC IV 2002 EGR Vehicle Interface Harness — Series 50 Engine(Sheet 4 of 4)
All information subject to change without notice. (Rev. 2/03)
6SE497 0207 Copyright © 2003 DETROIT DIESEL CORPORATION From Bulletin 1-SECM-03 93-21
93.9 DDEC IV 2002 EGR VEHICLE INTERFACE HARNESS — SERIES 60 ENGINES
93.9 DDEC IV 2002 EGR VEHICLE INTERFACE HARNESS — SERIES 60ENGINES
The following wire schematics support the DDEC IV 2002 EGR vehicle interface harness —Series 60 engines; see Figure 93-20:
See Figure 93-21 for continuation of this schematic.
Figure 93-20 DDEC IV 2002 EGR Vehicle Interface Harness — Series 60 Engine(Sheet 1 of 4)
(Rev. 2/03) All information subject to change without notice.
93-22 From Bulletin 1-SECM-03 6SE497 0207 Copyright © 2003 DETROIT DIESEL CORPORATION
DDEC III/IV SINGLE ECM TROUBLESHOOTING GUIDE
See Figure 93-22 for “Go to A”.
Figure 93-21 DDEC IV 2002 EGR Vehicle Interface Harness — Series 60 Engine(Sheet 2 of 4)
All information subject to change without notice. (Rev. 2/03)
6SE497 0207 Copyright © 2003 DETROIT DIESEL CORPORATION From Bulletin 1-SECM-03 93-23
93.9 DDEC IV 2002 EGR VEHICLE INTERFACE HARNESS — SERIES 60 ENGINES
See Figure 93-23 for “Go to B”.
Figure 93-22 DDEC IV 2002 EGR Vehicle Interface Harness — Series 60 Engine(Sheet 3 of 4)
(Rev. 2/03) All information subject to change without notice.
93-24 From Bulletin 1-SECM-03 6SE497 0207 Copyright © 2003 DETROIT DIESEL CORPORATION
DDEC III/IV SINGLE ECM TROUBLESHOOTING GUIDE
A printable 11 x 17 schematic can be found on the Extranet under DDEC Customer Support, A & I Installation Manuals, DDEC IV
On-Highway.
Figure 93-23 DDEC IV 2002 EGR Vehicle Interface Harness — Series 60 Engine(Sheet 4 of 4)
All information subject to change without notice. (Rev. 2/03)
6SE497 0207 Copyright © 2003 DETROIT DIESEL CORPORATION From Bulletin 1-SECM-03 93-25
93.9 DDEC IV 2002 EGR VEHICLE INTERFACE HARNESS — SERIES 60 ENGINES
(Rev. 2/03) All information subject to change without notice.
93-26 From Bulletin 1-SECM-03 6SE497 0207 Copyright © 2003 DETROIT DIESEL CORPORATION