The LCD displays the mode you are in. This injector tester pulse tool can be modified for relay testing or solenoid valve testing, other modifications should be made under the guidance of professionals.
Upgraded Fuel Injector Tester and Adapter for Diagnosis and Cleaning of Injec...
Fuel Injector Tester and Adapter For Diagnosis & Testing for 12V CNBJ620
Universal Fuel Injector Tester and Cleaner Tool Adjustable Pulse Dual Test Kit
Universal Fuel Injector Tester and Cleaner Tool Kit, DIY Cleaning Tool Kit 12V
Universal Fuel Injector Tester and Cleaner Tool Kit, DIY Cleaning Tool Kit, 8...
