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EARLY ADEM CONTROLS

I need to know if the early ADEM controls had the "Direct Rack Mode" in them. The "Direct Rack Mode" allows a separate Governor / Speed Control to bypass the ADEM's speed control section. I know the ADEM 3 and ADEM 4 have it built in, but am not sure about the early ones.

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Re: EARLY ADEM CONTROLS

Direct rack was included with a software release for 3500 series engines. It requires the dealer version of Cat ET to enable the function.