It allows a single person to bump the engine over or start it from under the hood while performing tasks like checking compression, adjusting valves, or testing a starter solenoid.
Snapon Snap-on Cummins engine turning tool M1306A ST747
12V Push Button Remote Starter Switch Engine Diagnosis 5-FT 12 Volt Test Tool
12V PUSH BUTTON REMOTE STARTER SWITCH ENGINE DIAGNOSIS 12 VOLT TEST TOOL
12V Push Button Remote Starter Switch Engine Diagnosis 12 Volt Test Tool
New 12v Push Button Remote Starter Switch Engine Diagnosis 12 Volt Test Tool
12v Push Button Remote Starter Switch Engine Diagnosis 12 Volt Test Tool