hey guys, i just installed tachometer. i connected to ecu pin62 yel/red. it is working but it read only half of rpm... when 3000rpm tacho reads only 15000rpm. i followed instuction from autometer. i cut the brown wire for 6cylinder. and i tried other loop too. but still same. need help anyody...

 

anyone

 

toylee, try posting this question in the Engine/Drivetrain/Forced Induction forum...lots of ECU guru's there