Noid Light Tester Set Of 2

Most commonly used for testing injectors but can test any 2 pin connector.?

Features:

• Noid Light Testers are the fastest, easiest, most economical way to check electronic fuel injection signals.
• Simply disconnect the fuel injectors, plug the Noid Lite into the injector wiring harness, and crank the engine. Normal pulsing voltage is indicated by a flashing light, which is visible from the passenger compartment.