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Test B: Power Windows Completely Inoperative (Convertible)

  1. Disconnect master window/door lock switch harness connector C505. Turn ignition switch to RUN position. Measure voltage at terminal No. 15 (Light Blue/Black wire) at master window/door lock switch harness connector C505. See Fig 1 . If battery voltage exists, go to next step. If battery voltage does not exist, repair power distribution circuit. See WIRING DIAGRAMS  .
  2. Turn ignition switch to LOCK position. Measure resistance between ground and terminal No. 14 (Black wire) at master window/door lock switch harness connector C505. If resistance is 5 ohms or less, replace master window/door lock switch. If resistance is greater than 5 ohms, repair open in Black wire.
Fig 1: Identifying Master Window/Door Lock Switch Harness Connector C505 Terminals (Convertible)
G96I01334Courtesy of FORD MOTOR CO.