have an ECM I done an engine segment swap on and it wont fire the coils.. ECM is a 0411.Only the engine section was swaped.. Problem is it will not fire the coils.. Soon as I borrowed a factory 5.3 ecm motor started right up..
have an ECM I done an engine segment swap on and it wont fire the coils.. ECM is a 0411.Only the engine section was swaped.. Problem is it will not fire the coils.. Soon as I borrowed a factory 5.3 ecm motor started right up..
2001 Jimmy ,L31 with marine intake,CPC conversion,Nv3500 5 speed,SAS,Dana 44's front and rear,4.30 gears..