Miata Turbo Forum - Boost cars, acquire cats.
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Miata Turbo Forum - Boost cars, acquire cats. (https://www.miataturbo.net/)
-   MEGAsquirt (https://www.miataturbo.net/megasquirt-18/)
-   -   DIYPNP 1994 No spark, No RPM signal. (https://www.miataturbo.net/megasquirt-18/diypnp-1994-no-spark-no-rpm-signal-85403/)

Garman 01-13-2020 11:40 AM
I'll double check those. It's just weird that the car runs fine with the OEM ECU.

Garman 01-28-2020 11:25 AM
Just an update on my issue. It was an incorrectly wired pullup circuit for VR2. It was wired for 12V instead of 5V. Once I resoldered the pullup into the correct voltage I got cam signal and the car started right up. I received the flyback diodes from Spike117 as promised. I truly appreciate everyone's help.


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