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Home >> Lincoln >> 1990 >> Continental Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Exterior Lights >> AUTOLAMP System >> Testing >> System Operational Check

System Operational Check

NOTE: When cause of system malfunction is unknown, perform the following checkout procedure to isolate problem to a specific condition.
  1. Ensure that photocell lens of photo amplifier unit is clean and not obstructed. Ensure there is a clean, tight ground connection for circuit No. 57 (Black wire) of potentiometer unit at headlight switch.
  2. Ensure headlights operate normally with headlight switch. Check that autolamp relay connector is properly attached to relay.
  3. Place autolamp control switch in OFF position. Turn headlights on using headlight switch. If lights do not operate, check and correct the standard headlight circuit.
  4. If lights work okay, check autolamp fuse. If fuse is okay, proceed to CIRCUIT TESTS.
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