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Door Lock Switch: Mustang

  1. Position switch so that raised portion of switch knob (marked "L") is to right, with 5 terminals toward you. With switch in normal (neutral) position, there should be continuity between terminals No. 1 and 2, and between terminals No. 3 and 4. Terminal No. 5 should not have continuity with any other terminal.
  2. When "L" portion of switch is pushed, there should be continuity between terminals No. 1 and 5, and between terminals No. 3 and 4. See Fig 1. Terminal No. 2 should not have continuity with any other terminal.
  3. When "U" portion of switch is pushed, there should be continuity between terminals No. 1 and 2, and between terminals No. 4 and 5. Terminal No. 3 should not have continuity with any other terminal. If continuity is incorrect, replace switch.
Fig 1: Mustang Door Lock Switch Terminal Identification
G8065Courtesy of FORD MOTOR CO.