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Aerostar (Multiple Switch)

Testing of the power window multiple switch should be performed with the switch removed from the vehicle. Use a self-powered test lamp or an ohmmeter such as Rotunda Digital Volt-Ohmmeter (007-00001), or equivalent.

  1. Clip one test lead probe on terminal No. 6 which is grounded. With both switches in the neutral position, terminals No. 1 through 4 should have continuity to terminal No. 6.See Fig 1 .
  2. Push both window switches upward (toward window when in installed position). Both terminals No. 1 and 3 should have no continuity to terminal No. 6. Push both window switches downward (away from window when in installed position). Both terminals No. 2 and 4 should have no continuity to terminal No. 6.
  3. Remove the test lead from terminal No. 6 and connect to terminal No. 5 (hot feed terminal). With both switches in the neutral position, terminal No. 5 should have continuity only with itself. Push both window switches upward (toward the window when in installed position). Both terminals No. 1 and 3 should have continuity to terminal No. 5.
  4. Push both window switches downward (away from the window when in installed position). Both terminals No. 2 and 4 should have continuity to terminal No. 5. If any one switch does not test as stated, replace the complete switch assembly. See WINDOW SWITCH  under REMOVAL & INSTALLATION.
Fig 1: Testing Power Window Switch (Multiple Switch, Aerostar)
G00088814Courtesy of FORD MOTOR CO.