Thanks, Dave not using 10k jumper and wired as shown, belive I have a bad ecm ordered a replacement , reason being have issues with both circuts what...
Personally I would delete the OBD1 stuff entirely, EFI Connection 24x reluctor behind a Holley vortec timing cover, convert to coil near plug, get an...
So it's finally fixed, did 700+ miles yesterday and today and got the rig and myself home.
Theory as to why this was such a headache - the only real...