getting closer. i did a bit with the test light.
i started tracing the plug on the v4 wrx non dccd main loom with a test light and this is what i found.
so by using these pinouts
http://www.polarperformance.co.uk/MY97-98PinOut2.html
http://www.northursalia.com/modifica...g/v3and4-1.jpg
pins 4 and 5 on the
ecu are data check connectors.
hmmmmmmmm