Inhibitor Relay
WARNING: This page is about a different car, the 1992 Subaru SVX, 1992 Subaru Legacy, 1991 Subaru Legacy, and 1990 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.
Relay is located behind right end of instrument panel, next to cruise control unit. Remove relay. Apply battery voltage across relay terminals No. 1 and 2. SeeFig 1 . Check continuity between terminals No. 3 and 4. If there is no continuity, replace relay.