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Home >> Buick >> 1992 >> Regal Custom, 4D Sedan, 3.1 T >> Repair and Diagnosis >> Body & Frame >> Power Windows >> Trouble Shooting >> System Check

System Check

NOTE: In text, master switch refers to left hand front window switch (4 Door) or left hand master switch assembly (2 Door).
  1. Operate each window UP and DN from the master switch. Each window should operate quietly and smoothly, without sticking.
  2. Operate each window from its individual window switch. Each window should operate quietly and smoothly, without sticking.
  3. Momentarily press left hand front switch DN past the first detent. Window should continue to fully down position.
  4. Lock out switch in LOCK position (4 Door), windows should operate from left hand master switch assembly and not from their individual switches.
  5. Lock out switch in OFF position (4 Door), all windows should operate normally from their individual switches.
  6. If any of the above steps are not as specified, see SYMPTOM DIAGNOSIS  in this article.