When was the first Detroit Series 60 engine made?
When was the first Detroit Series 60 engine made? The first system, DDEC I, lasted from 1987 to 1992, when it was replaced by DDEC II. All Old Style Series 60 11L & 12.7L engines were controlled by DDEC I, II or III until 1998. How to check Detroit Diesel Series 60 ECM? Detroit series 60 ECM - Answered by a verified Technician. Here is diagram of the vehicle harness plug and the pin outs. graphic. Here is a I am going to attach a diagram of the engine harness also, so you can check the SRS and TRS wires....