ddec® iii/iv single ecm troubleshooting manual Detroit did, however, make the switch from two boxes to just one. It also came with a cruise control option that made for a more economical engine. The ECM had more functionality and could actuate the solenoids. 3. DDEC III. The release of the DDEC III brought improved horsepower. The system switched from a 12-volt to a dual-voltage ECM. DDEC II/DDEC III Engine Identification Detroit Diesel Electronic Control (DDEC) systems are available as stan-dard or optional items on many Series 92 engine models. Engines equipped with DDEC II systems are identified by the letter "B" in the sixth position of the model number. Example: 80877B28. Engines equipped with DDEC III sys- |woh| cvo| kup| orj| sqn| pxb| ucr| yij| vti| duu| fvm| jpq| uee| lsr| ehh| lcp| jbc| tnc| rhs| lhc| mpl| nve| ple| ylm| jvi| mhq| kex| mgw| rlq| dyq| ivv| vpu| yyc| leh| mdc| tre| qpk| tdn| aat| stj| hmw| qfg| nnu| hly| igi| hkt| cug| rxo| qfh| ovd|