Tool Aid (SGT36330)
Noid Lights, IAC Test lights & Spark Checker Kit
Quickly, easily and economically test electronic fuel injection signals.
Supplied with lights to check GM TBI, Bosch PFI, Ford TBI, GM PFI, Geo TBI and GM SCPI.
Easy to use - just disconnect the wiring to the fuel injectors, install the Noid Light into the injector wiring harness and crank or start the engine to view the light pattern.