FORGOT TO TELL YOU THAT I HAVE INJECTOR PULSE ON #3 AND #4 BUT NONE ON #1 OR #2. DOES HAVE 12 VOLTS WHILE CRANKING ON IGNITION CIRCUIT BUT GROUND PULSE FROM P.C.M. AND INJECTOR CIRCUIT HAS LESS THEN 3 OHMS BETWEEN INJECTOR AND PCM HARNESS. Login to read more.