Dual Air Control Solenoids
WARNING: This page is about a different car, the 1995 Ford Pickup, 1995 Ford F-Super Duty, and 1995 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
Dual air control solenoid valve assembly consists of 2 normally closed solenoid valves with vents. One valve controls Air Injection By-Pass (AIRB) valve and the other controls Air Injection Diverter (AIRD) valve. Both valves pass air when deactivated and do not pass air when activated.