FixVault

Ignition Switch

  1. 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
    G93D40223Courtesy of FORD MOTOR CO.
  2. Continuity should exist between terminals B2 and START with switch in START position. Continuity should not exist with switch in any other position.
  3. Continuity should exist between terminals B1 and ACC with switch in ACC or RUN position. Continuity should not exist with switch in any other position.
  4. Continuity should exist between terminals B1 and IG1 with switch in START or RUN position. Continuity should not exist with switch in any other position.
  5. Continuity should exist between terminals B2 and IG2 with switch in RUN position. Continuity should not exist with switch in any other position.
  6. Continuity should not exist between terminals B1 and B2 with switch in any position.
  7. Continuity should exist between terminals K1 and K2 with key in lock. Continuity should not exist with key removed.