1 Components SY GEN III, 6LY3, 6CX, and BY2 Unlimited CH4400 Series- Kit Numbers CHKCB4400S (Single) CH4400: Control Head CH67044S: Control Module CP1100: Switch Panel CH5600 Series - Kit Numbers CHKCB5600S (Single) CH5600: Control Head CH67056S: Control Module CP1100: Switch Panel Connects directly to engine CH8000 Mechanical to Electrical Control Module (used with BY2 Unlimited only.) © 2011 Yanmar Marine International • Rev. 2.0 1:8 Yanmar Electronic Control Systems Technical Manual