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Author Topic: Cruise control, can I use Datcom signal?  (Read 646 times)
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« on: September 13, 2013, 10:02:37 AM »

Our 5B has Datcom tach and speedo. No fast idle. Can I use the signal from the tach generator for cruise control signal so I don't need to run wire to the rear and have fast idle? 

Will the Rostra work with that kind of signal?  I think the King will.  Spinning the tach generator with a drill motor reads 3.5 volts AC on a Fluke DVM.  Pete?


Don 4107 Eastern Washington
1975 MCI 5B
1966 GM PD 4107 for sale
1968 GMC Carpenter
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