Thanks! I'm still sorting out how to get Tuner pro to talk to ECM.
b
Tuner pro goes Pink and displays "connecting" but never does. I added a positive jumper to terminal 'B'on OBD1 port and got...

Don't you hate it when You spend 2 hours writing and editing a good story and then when you upload it- it looks like this! AAaarghh!

I have a 93 GMC 1ton truck that had california emissions and a throttle govenor on it (Rochester TBI).
The govenor malfuntioned on it and it was annoying so I replaced it with a federal emission TBI...

I have a 93 GMC 1ton truck that had california emissions and a throttle govenor on it (Rochester TBI) The govenor malfuntioned on it and it was annoying so I replaced it with a federal emission TBI...