- “Noid-lites” are the quickest way to check electronic fuel injection (EFI) signals
- IAC signal test lights check the electronic control module that provides direction to the idle air control motor
- Includes six Noid-Lites; 1 each for GM, Geo, Ford TBI’s, and one each for GM and Bosch PFI’s and 1 for 1996 and newer GM SCPI systems. Plus 1 IAC square 4-pin tester for 1982-91 PFI and TBI’s and 1 IAC with flat 4-
- pin connector for 1987 to present 700 TBI and PFI’s, in storage case