* Seven Noid Lights for checking electronic
   fuel injection (EFI) signals on GM TBI/SCPI
   /PFI/MUL TEC 2 Bosch 2/PFI, Ford TBI,
   Geo TBI.
* Two IAC signal test lights one for GM1982
   or newer GM TBI and PFI, the other for GM
   model 700TBI and PFI fuel injection system.