fasteddie

I PICKED UP A 1986 GL 10 WAGON WITH A BAD ENGINE,FOUND ANOTHER ENGINE,ALL HOOK UP,ECU IS GIVING CODE 12,TROUBLE SHOOT,THERE IS POWER TO ECM,WHEN CRANKED.ALSO INJECTORS NOT GETTING POWER,TRIED ANOTHER ECM SAME THING.DO I HAVE 2 BAD ECMS OR IS THERE SOMETHIG CAUESING THE ECM TO FAIL.ECS LIGHT IS ON.I DON'T WANT TO TRY OTHER ECM.AND HAVE THE SAME PROBLEM,ANYBODY RUN INTO THIS PROBLEM,THANKS ED