If the VCM is being used on a standard 12 volt system, set the dip switches to the below settings. This will configure the VCM to the specific application this harness is designed for and will not allow voltage adjustments to exceed 15.2 volts.

• TYPE: Controller and Harness for GM “D” & “AD” 4 Pin Alternators (1995 to 2008)
• Operating voltage: 10~20 volts
• 12V battery dip switch setting: 14.2 (varies depending on alternator) to 15.2 volts (programmed limit)
• 14V & 16V battery dip switch setting: 14.2 (varies depending on alternator) to 19.5 volts (programmed limit)