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Home >> Cadillac >> 1999 >> DeVille Base >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Window System >> Trouble Shooting >> System Check
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System Check

  1. Momentarily press left front window switch on master switch assembly to DOWN position, past first detent. Left front window should open fully. To stop window, press left front window switch to UP position.
  2. Press left front window switch on master switch assembly to UP and DOWN positions, stopping at first detent. Left front window should move up and down. Window should stop when switch is released.
  3. Operate each window up and down from master switch assembly. Each window should move up and down. Operate each window from individual window switch. Each individual window should move up and down.
  4. Place rear lock-out switch in LOCK position, repeat step 3)  . Rear power windows should not operate from individual switches, but operate from master switch assembly. If problem exists with power window system, go to PRELIMINARY INSPECTION  .