If the GRIP System is not monitoring the auxiliary battery, please:
Ensure the 'Auxiliary Battery' is selected to ENABLE under 'Battery Options' in the 'Options Settings' tab. Make sure the 'Battery Option Selector' is selected to 'Aux Battery Extend' or 'Aux Battery Either.'
Check all battery connections are properly secured.
Check the white sensing wire connection from the main power harness at the solenoid connected to the positive battery cable from the auxiliary battery.