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