Question about 1997 Buick.5 Regal

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1997 Buick La Sabre Twilight Sentinel switch

When driving my dashboard and parking lights go on and off when ever they want...my car does have the twilight sentinal switch...My headlights do stay on thru this but can't figure out what to do....

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  • Anonymous Dec 04, 2008

    i have the same problem. figured it was a bad sensor. where is it?

  • Anonymous Apr 02, 2009

    1995 Buick Riviera headlight sentinal won't turn headlights off.

  • Anonymous Mar 28, 2014

    Car won't turn over. Sounds like battery is dead but it's not. If someone taps on the starter it will turn over but won't stay running

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Replace the switch

Posted on Oct 15, 2008

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1 Answer

How does the twilight sentinel work


What make ,model an year vehicle ? This is for a Cadillac !
Twilight Sentinel
The twilight delay switch in the headlamp switch assembly is supplied a 5 volt reference from the instrument panel integration module (IPM). The IPM also provides ground to the twilight delay switch. The switch is a potentiometer in which the resistance varies as the switch is moved. The IPM receives an input voltage proportional to the resistance of the potentiometer through the twilight delay signal circuit. 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 switch in any position other than OFF, the DIM will turn the headlamps on or off according to the daytime/nighttime status sent by the IPM. The DIM uses the twilight delay signal in order to keep the headlamps and park lamps on after the ignition switch transitions from ON to OFF during nighttime conditions.
Now ,do you understand ?
Now

May 30, 2016 | Cars & Trucks

1 Answer

Wiring diagram for headlight switch on 1991 buick park avnue


A chilton manual will give you a diagram specially if you have a twilight sentinel system. You can get one at auto parts stores or online.

Feb 26, 2016 | 1991 Buick Park Avenue

1 Answer

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

Parking +taillights wont shut off


Is the problem that the lamps stay on indefinitely? I would suspect the headlamp switch first, because it is where the circuit is powered. Does this Aurora have anything like Twilight Sentinel? It could also be a cause, if it is in the off position and the lamps stay on. Twilight Sentinel uses a timer and a relay, either of which could have gone bad. Then again, if you have something laying on the dash that may be covering up the photocell (usually in the center at the bottom of the windhield), then the BCM (body control module) thinks it's always dark and the lights won't turn off right away even in broad daylight.

Apr 07, 2014 | 1997 Oldsmobile Aurora

1 Answer

Why does the park lights on my buick stay on after the engine is shut off?


this is called "twilight sentinel". it is programmed into your vehicles electrical system for the lights to remain on for 90 seconds after shutting off the car.

there is a way to disable but i apologize i cannot remember it! it is in your owners manual if you have it.

Sep 01, 2010 | 2001 Buick Century

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.
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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

1995 Buick Lesabre


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

Jan 19, 2009 | 1997 Buick LeSabre

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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