Quote Originally Posted by Bitsyncmaster View Post
The orange wire is the FV signal through a 1 kohm resistor. Try your meter on the three pin bulkhead connector red/ brown wire but my bet is your meter is NG.
I have also seen problems with the connections in that large plug that goes into the Lambda control module. Make sure you have continuity from that plug all the way to the diagnostic plug. There can also be troubles in the bulkhead connectors where the ignition coil lives. Check the ground connections too.