D Dillon New member Dec 25, 2010 #1 The motor is not bad. The gearbox is assembled correctly in my classic army m4. It keeps on blowing fuses and when it runs it whines really loud. The motor works fine in my other m4 so I need help.
The motor is not bad. The gearbox is assembled correctly in my classic army m4. It keeps on blowing fuses and when it runs it whines really loud. The motor works fine in my other m4 so I need help.