Replacement plugged lighting control module for Big Bear Chopper motorcycles. If your turn signals are no longer working correctly, this may be the fix you need. The 11856 plugged lighting control was used on most BBC custom motorcycles between 2007 and 2009. Several different plug configurations were offered. Please verify that the Deutsch connector matches your module. Socket #8 is a sealing plug. The 11856 lighting control module controlled the operation of the front and rear turns signals, provided load equalization and auto cancelling. It also operated the rear turn signals as brake lights.