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Home >> Cadillac >> 1983 >> Eldorado 5.7 N >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Headlights - Automatic Twilight Sentinel >> Testing >> System Test

System Test

  1. With Sentinel "OFF", check for normal operation of headlight switch. With lights in manual "ON" position, and ignition off, open a door. Warning buzzer or tone should operate. Turn light switch "OFF".
  2. Turn Sentinel "ON" and cover photocell. Turn ignition on and lights should come on automatically within 10 seconds. Remove cover from photocell and shine bright light into the photocell.
  3. Light should turn off after 10 seconds and before 60 seconds. Cover photocell and wait for light to turn on. Turn ignition off. Lights should turn off after a time delay.
  4. Satisfactory performance of tests 1) through 3) indicates unit is operating properly. If unit is operating properly but turn on time is incorrect, make minor sensitivity adjustment.
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