Home » Tony’s Tips » Articles » ZF Electric Shift Solenoid InformationZF Electric Shift Solenoid Information Plunger in the DOWN position is Normal Plunger in the UP position is Manual Engaged EB 30 Solenoid Valve Block EB 30 solenoid Valve Block 5 x O-Rings EB30 Valve Block without Solenoid Coils Solenoid Valve Block with Plug Removed ZF Solenoid Plug EB15 & EB 30 Plug Terminals ZF Solenoid Plug EB15 & EB 30 ZF Solenoid Plug EB15 & EB 30 inside Wire Connections