You might want to take a look at this post: http://www.busconversions.com/bbs/in...?topic=12020.0
According to the post it's shut off by the ECM. Sounds like the two problems are related. Have you checked what error codes your DDEC is generating?
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Jon & Chris Everton
1986 40' Dog House #86
0 hp 8V92 Allison HT740
Soon to be 500hp ISM with ZF 6 Speed
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