Quote:
Originally Posted by A264172
I'm sorry Arthur I am math disabled and have a hard time translating formula into a clear grasp of reality.
I am under the impression that the early M103 engine X11 port is properly read (by a sears type multi meter with duty cycle setting) with the (+) lead in pin #2 and the (-) lead in pin #3... this is due to the % ON bias of the multi meter in question?
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The manual for that meter states the duty cycle measure is for ON pulse width, from 100us-100ms [ which is 0.1%-99.9 %]
My info shows Benz uses Off cycle for duty percentage. [ meaning a correct reading with that meter requires reverse polarity of leads]