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1996 Buick LeSabre Headlight Problem Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive Repair>> Automotive Wiring and Electrical X_Static1 New User Feb 12, 2008, 8:56 PM Post #1 of 4 (6197 views) 1996 Buick LeSabre Headlight Problem Sign In We have a 1996 Buick LeSabre. It has automatic headlights. The headlights wont come on at all. This started all at once. No warning signs. We have replaced the headlight switch and also the BCM. The headlights still won't come on. What can we try next? Double J Veteran / Moderator Feb 13, 2008, 2:44 PM Post #2 of 4 (6179 views) Re: 1996 Buick LeSabre Headlight Problem Sign In Stupid question... Anybody check the bulbs themselves??? I assume you did... you can't turn them on manually?? Usually when the automatics go out its the photo sensor in the dash... but they would work manually... Possibly a faulty dimmer switch...just a thought.. I'm not at my regular computer to check on a schematic for this....don't have access form this one.maybe one of the others can provide that... IF not I'll be there tomorrow 2/14- way2old Veteran / Moderator Feb 13, 2008, 4:56 PM Post #3 of 4 (6177 views) Re: 1996 Buick LeSabre Headlight Problem Sign In Also have the fuses been checked? Being way2old is why I need help from younger minds Double J Veteran / Moderator Feb 14, 2008, 2:58 PM Post #4 of 4 (6172 views) Re: 1996 Buick LeSabre Headlight Problem Sign In Here you go.....post back results.... Voltage is applied at all times to the lamp control module through the HEADLAMP Circuit Breaker and CKT 242. With the Head Lamp Switch ON, the headlamp switch input to the Lamp Control Module is grounded. The Lamp Control Module then applies voltage to the headlamp dimmer switch. When the Headlamp Dimmer Switch is in the LO position, the LH and RH Low Beam filaments light. When the Headlamp Dimmer Switch is in the HI position, the LH and RH High Beam filaments light. When the Ignition Switch is in RUN and the Ambient Light Sensor indicates darkness, the Lamp Control Module provides voltage through the Headlamp Dimmer Switch to the Headlamps.   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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