Thread: retarder inop
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Old 09-19-2019
Alever Alever is online now
Senior Member
Join Date: Jul 2016
Location: Wapakoneta
Posts: 139

Send us a picture or two of the upper part of the engine. That is where the DDEC 2 ECM lives. It sits right behind the water crossover pipe and is under the turbo Y inlet connector.

A couple pictures would help the brain trust out here in WOG land. I believe the DDEC 1 has two different ECMs and looks different than the DDEC 2.
Allen and Sara Eversman
Wapakoneta, Ohio
Had 81 FC35
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