XS Power P311

Harness for XSP 310/320 Digital Voltage Controllers Compatible With GM “SI” Alternators - 1969 to 1988 Use this harness as the custom link between the XS Power XSP310 or XSP320 Voltage Controller, and your alternator. Install the Voltage Controller to adjust alternator output on demand for more current to your battery bank, faster battery recovery time and an extra boost of power when you need it! DESCRIPTION Harness for GM “SI” Series Alternators (1969 to 1988) DOWNLOAD INSTRUCTIONS PROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling.