Ignition Switch

WARNING: This page is about a different car, the 1994 Mercury Tracer and 1994 Ford Escort. However, it is still accessible from the selected car via links, so may be relevant.

Test for continuity between specified terminals with switch in each position. See Fig 1 . If continuity is not as specified, or is poor in any switch position, replace ignition switch.

Fig 1: Identifying Ignition Switch Terminals
Courtesy of FORD MOTOR CO.
Continuity should exist between terminals B1 and ST with switch in START position. Continuity should not exist with switch in any other position.
Continuity should exist between terminals B2 and ACC with switch in ACC or RUN position. Continuity should not exist with switch in any other position.
Continuity should exist between terminals B2 and IG1 with switch in START or RUN position. Continuity should not exist with switch in any other position.
Continuity should exist between terminals B1 and IG2 with switch in RUN position. Continuity should not exist with switch in any other position.
Continuity should not exist between terminals B1 and B2 with switch in any position.