Disabling System
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.
On Miata, obtain radio code number from customer, and deactivate audio anti-theft function. On all models, turn ignition switch off. Disconnect and shield negative battery cable. Remove knee protector. Disconnect Orange and Blue clockspring connectors at base of steering column. See Figure .