Hey guys finally got my car up and running and I m hooking my wideband o2 up LM-1 and LMA 3 to my 1994 SC I need to know which is the correct wire for the rpm signal I have tried the # 4 pin orange/white and it gives me constant 1.6 volts next im am going to try wire off the #1 injector anyone have luck with this and help is greatly appreciated hopefully Dave will chip in with the info Im just glad it started the first time with the 60lb injectors thanks Justin