XSP320

Dash-Mounted Voltage Controller Blue LED Readout Works With GM 4-Pin Alternators For 12, 14, or 16-Volt Systems Compatible With Stock & Aftermarket Alternators Adjust alternator voltage to custom levels on demand with the XSP320. Using a Plug-And-Play harness*, the controller displays the current voltage. Charge as high as 15.2 volts for a 12-volt setting, or as high as 19.5 volts for the 14 or 16-volt settings, all adjustable right from the controller. *Harness not included See details below. See instructions for important information. Digital Voltage Control Dash Mount Controller for GM 4 Pin Alternators. Blue digital display.