Question about 1997 Buick LeSabre

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1995 Buick Lesabre

Car is equipped with a twilight sentinel or daytime running lights. The headlights will not shut off automatically even after the car is turned off. It says 3 min delay but it would run until the battery is dead. We have been undoing the positive battery terminal each time we use the car. ( getting to be a pain) Is there a way to disable this feature. Any help you could give would be greatly appreciated! We have the same problem on a 1997 LeSabre. The relay used to work, but now the lights will not turn off, at all. Also having to disconnect the battery after driving. Anyone have a solution?

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Sound light the day time running relay or timer has gone bad...

Posted on Jan 19, 2009

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Dim head lamps and day light running lamps won't come on my 2000 Buick lasabre


Daytime Running Lamps
With the daytime running lamps (DRL) programmed to be on, the DRL will operate when the ignition switch is in the ON position, the gear selector lever is out of the PARK position, the headlamp switch is in the OFF or PARK position, and the ambient light sensor indicates daytime conditions. Battery positive voltage (B+) is supplied to the DRL relay coil through the underhood fuse block. Battery positive voltage is supplied through the underhood fuse block FOG/DRL Fuse to the DRL relay normally open contact. The DRL relay normally closed contact receives ground for normal high headlamp operation. When the dash integration module (DIM) determines that conditions are right for the DRL, the DIM grounds the DRL relay coil. This energizes the DRL relay coil and closes the switch to the normally open contact. Battery positive voltage (B+) is supplied to the LH and RH high beam headlamps in series. The high beam headlamps split the voltage and each lights at half intensity. Current will follow the path from the DRL relay to the LH high beam headlamp, HDHIBML Fuse, HDHIBMR Fuse, the RH high beam headlamp, then to ground.
Does your vehicle have
Twilight Sentinel
The twilight delay switch in the headlamp switch is supplied a reference voltage from the instrument panel integration module (IPM). It is supplied a reference ground from the IPM. The switch is a potentiometer that resistance varies as the switch is moved. The IPM receives an input voltage proportional to the resistance of the potentiometer. The IPM sends a class 2 message to the dash integration module (DIM) indicating the on/off status and delay length for the twilight sentinel. With the twilight sentinel in an ON position, the DIM will automatically control the headlamps on/off status depending on the nighttime/daytime status of the ambient light sensor. The DIM will use the twilight sentinel delay length to know how long to keep the headlamps and park lamps on after the ignition switch transitions from ON to OFF during nighttime conditions.
If you don't know about these things you best bet is to take it to an ASE certified repair shop or the dealer .
If you
Your best

Nov 30, 2015 | Buick Cars & Trucks

1 Answer

The instrument panel switch is making a ticking noise in !y 1992 Buick lesabre causing the headlights to stay on...killing the battery


Is the noise actually coming from the switch area or coming from under the dash area? Possible daytime running light /twilight sentinal modual shorted out causing your issue. Unplug this module and if the headlights go out,this will be your problem

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Nov 07, 2015 | 1992 Buick LeSabre

1 Answer

How disable Twilight on 99 Cadillac Deville


  • Examine the left dash panel to find the headlight switch. This is the control you use to turn the headlights on or off, with the exception of the daytime-running lights.
  • Look directly beneath the headlight switch. You'll see a small lever. This is called the "Twilight Sentinel." Move the lever all the way to the left to the "Off" position.
  • Turn the headlight switch to the "Parking Lights" mode. This icon has a symbol of two small bulbs. The daytime-running lights are now turned off.
  • Jun 17, 2015 | 1999 Cadillac DeVille

    1 Answer

    Can I program the automatic headlights to always shut off when the ignition is shut off - day or night?


    I have a 1997 cadillac deville that has both 'daytime running lamps' when put into gear and 'twilight sentinel' which turns the headlamps and parking lamps on at night, and goes off during the day or when it is bright enough.

    There is an adjustable delay for the twilight sentinel to turn the headlights off after the ignition key is removed and it is night time.
    ---
    I had the 'daytime running lamps' installed on a 1990 Cadillac Deville that turns the headlamps only on when the ignition key is switched to on with an aftermarket module. The headlamps are about 70% or so as bright as the regular twiilight sentinel headlamps and parking lights and are designed to go on during the day.

    The twilight sentinel overrides this feature when it gets dark outside.

    I had the daytime running lamps installed by an auto electric shop that specializes in electrical systems, alarms, stereos, etc.

    Does this help?

    Jul 10, 2010 | 1998 Buick LeSabre

    1 Answer

    1991 Park Avenue: new battiery will not hold charge...


    Check the following to see if your cars electrical system is causing a power drain.

    *Make sure all headlights and interior lights, and accessories are off when vehicle is not in use.

    *Have your alternator professionally tested to make sure the built in power regulator is not going bad. Also check that the alternator is putting out a proper charge during vehicle operation. (Use a digital multimeter, touch the test leads to the battery terminals while the car is running RED to positive+ and BLACK to negative-, being careful you don't cross the two and never let positive and negative touch. Multimeter should read 14 volts DC with the car running. If it reads under 14 volts, replace the alternator.

    *Check for a bad grounding wire (usually the negative battery cable), if it's cracked, frayed, or bare wire is exposed replace it right away. It can drain the battery if the bare wire touches the metal of the vehicle.

    * If your car is equipped with the twilight sentinel (automatic headlight feature) shut it off manually when your done using your car for the day. If the twilight sentinel is going bad, it can draw battery power even if the headlights are off.

    *Have a test performed to make sure you don't have a faulty ignition switch. This can draw power even with the ignition key off.

    *If all of the above test good, you likely have defective battery. Replace battery. Feel free to contact me if problems persist.

    Good Luck!

    May 16, 2010 | 1991 Buick Park Avenue

    1 Answer

    Can not find


    twilight sent turns headlamps on automatically when dark outside, alsom leaves light on when shut off car for a lenght of time to allow you to see to enter house.

    May 10, 2010 | 1990 Buick LeSabre

    1 Answer

    1995 Buick Lesabre


    Left of the two headlight buttons for headlights and parking, there is a vertical slider. It's labeled Twilight, meaning twilight sentinel that keeps the headlights on. Move it down and that shortens the on time to about 5 seconds. If you are sittting with the headlights on and want them to go off, push it to the bottom and it turns the lights off immediately. They will turn back on when the car is put into park.

    Move the slider to the top and they should stay on for about 5 minutes. BTW if you just leave the headlight switch pushed in (if you're doing it manually) the car turns everything off in about 10 minutes--inside lights, radio, lights, cigarette lighter power (unless you moved the fuse in the underhood fuse block to make them stay on permanently).

    You also may not know that if you are driving or sitting and want the headlights off but the parking lights to stay on, push the Parking LIghts button. That turns the headlights off. I didn't find that for a while because our 98 LeSabre didn't have any way to turn off the headlights while cruising through a Christmas display scene in a park where many people turn off the headlights to help the effect of the colored lights. Please Rate My Response! Thanks!
    //

    Feb 05, 2009 | 1996 Oldsmobile Eighty Eight

    1 Answer

    My headlights come on but my taillights have just stop working.But when I press the brake they come on.What do I surpose to do?


    Check your fuses first. In a '92 Roadmaster, they would be number 14 and 15, light blue 15A fuses. I am not sure about other years, but your owners manual should tell you. Otherwise it could be the headlight switch, or the Twilight Sentinel Module if your car has the option.
    I had a similar problem a few months ago with my '92 Roadmaster Wagon. My problem was due to the Twilight Sentinel Module. If your parking lights do not come on (dash lights, too), but the headlights do when your Twilight Sentinel should turn them all on, try to use the rocker switch to turn on the lights. If the parking lights come on with the rocker switch, I believe you need a Twilight Sentinel Module. However, if you do not have a Twilight Sentinel Module, or your lights do not come on using the rocker switch, you may have a bad switch or faulty wiring. The Twilight Sentinel Module is located way up under the dash, to the right (passenger) side of the steering column where the column goes through the firewall. It looks like the one in the picture, and could be off white or gray, or perhaps a different color.
    c304bca.jpg

    Jul 15, 2008 | 1992 Buick Roadmaster

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