WARNING: This page is about a different car, the 1991 Mazda RX-7, 1991 Mazda MX-5 Miata, 1990 Mazda RX-7, and 1990 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.
Reconnect battery and clockspring connectors. Turn ignition switch to RUN position. Check AIR BAG indicator light to ensure system is operating properly. See SYSTEM OPERATION CHECK.