The STS Parts D7024 12-Volt Conversion Voltage Regulator transforms your supported alternator into a true 1-wire, self-exciting system. Featuring Star III solid-state electronics, this regulator provides reliable and efficient charging with adjustable output from 14.2 V to 15.2 V. Ideal for custom builds, restorations, or off-grid applications, it simplifies your electrical system while maintaining precise voltage control. The stator-activated design ensures low cut-in speed for better charging at idle, and the built-in indicator light drive lets you maintain factory-style functionality. Specifications Part Number: D7024 Voltage: 12 V DC Circuit: B-Circuit (ER/IF) Negative Ground Design: Star III Stator Activated Low Cut-In Set Point: 14.2 V (default) / adjustable up to 15.2 V Condition: 100% New / Solid-State Activation: Stator Sense (S) Indicator Output: L terminal (optional lamp drive) Warranty: 1 Year Manufacturer Terminal Identification Black (B–): Ground Red (B+): Battery Positive Green (F): Field Connection Yellow (S): Stator Sense / Activation Orange (L): Indicator Lamp Drive Compatibility: Universal 12 V B-Circuit alternators (Delco-style external regulators with Field and Stator leads). Check your alternator type and wiring before installing. Professional installation recommended for retrofits from internal regulator systems. Package Includes 1 × 12 V 1-Wire Conversion Voltage Regulator (D7024) 1 × Installation Guide 1-Year Warranty against manufacturing defects