Lippert Project 2000 Sliding Step Owner's Manual page 7

Wiring Diagram
For Automatic Opening/Closing Kit (Continued)
A B
Alert Indicator
Step Open: Alert Indicator will be active when ignition is switched on.
NOTE: D+ should be a positive line that comes from the vehicle anytime the parking brake is disengaged
or the ignition is engaged.
Alert Indicator circuit must be filtered to 12V.
Page 7
Rev: 02.08.22 CCD-0004560