Vintage Mini Tune Model 514 Automotive Regulator Tester in original green hardshell carrying case. Product Features & Details: • Brand: Mini Tune (Petaluma, CA - Made in U.S.A.) • Model: 514 / Mini Tune 541 Regulator Tester • Serial/Unit Tag: MT 09679 • System Compatibility: 12V and 24V Systems • Functions: Tests A-Type & B-Type, Electrical & Mechanical Voltage Regulators • Display: Digital LED Regulating Voltage Readout • Storage: Self-contained in green molded hardshell case with lead storage compartments • Lead Connections Guide: Red = Battery (+), Green = Field, Black = Ground (-)
