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-   -   Mfi speed transducer (http://forums.pelicanparts.com/porsche-911-technical-forum/1137448-mfi-speed-transducer.html)

47silver 03-31-2023 06:39 AM
Mfi speed transducer
 
Made a test rig for the transducer but i do not know if the trigger connection goes to ground or to +12.
My thinking is it should go to ground as that is what the points do to charge the coil, but not sure. Warren’s drawing does not show where to connect the trigger.

mysocal911 03-31-2023 08:28 AM
Quote:
Originally Posted by 47silver (Post 11960887)
Made a test rig for the transducer but i do not know if the trigger connection goes to ground or to +12.
My thinking is it should go to ground as that is what the points do to charge the coil, but not sure. Warren’s drawing does not show where to connect the trigger.
The signal is a pull-to-ground then open.

47silver 03-31-2023 09:32 AM
Thank you
quite a circuit, very interesting.


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