5.13_SignalBulb_BA15d_G18.5By LumiactionTomYeh / July 11, 2023 Signal bulb, BA15d G-18.5m/m, bayonet base, voltage 6V, 12V, 24V, 28V, 32V. Replace GE 64, GE 68, GE 82, GE 88, GE 90, GE 2618, GE 2626, GE 91426. Replace ECE R5W.