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Single Switch

  1. Use a self-powered test lamp or an ohmmeter to test the power window switch. With the switch in the NEUTRAL position, there should be continuity between terminals No. 1 and 2, and terminals No. 3 and 4. Terminal No. 5 should be disconnected from all other terminals. See Fig 1 .
  2. When the raised portion of the switch rocker knob is pushed (to close the windows), there should be continuity between terminals No. 1 and 5, and terminals No. 3 and 4. Terminal No. 2 should be disconnected from all other terminals.
  3. When the depressed portion of the switch rocker knob is pushed (to open the windows), there should be continuity between terminals No. 1 and 2, and terminals No. 4 and 5. Terminal No. 3 should be disconnected from all other terminals. If the switch assembly does not test as outlined, replace the switch.
Fig 1: Identifying Power Window Single Switch Terminals
G00088764Courtesy of FORD MOTOR CO.