Headlights wont turn on

This is NOT opposite - it is CORRECT.

IF you turn your headlights on then the assumption is that it is night time (or approaching it) and that it is DARK outside.
This means that the back light does not have to be as bright as it does during daylight in order that you can read the digits on the display

Bright during the day and dimmed when lights are on at night when it is dark outside.

Did u ever figure it out ? Mine are doing same thing only work during the day and shut off when I turn lights on and don't work at night. I've changed all fuses and relays, still doing the same thing. I'm hoping it's not wiring issue

The headlight bulb is defective.

I can help with the clock light.

Normally, with the headlights off, the clock light (numbers) should be very bright so they can be seen during the day. The electronics designers thought you would only turn the headlights on at night so they made the clock numbers only bright enough to be seen in the dark (that is, they are dim in day light).

I like to drive with my headlights on (day or night) for safety. Therefore, I click my lights off occasionally, to see the clock (barely visible in daylight).

Part 2
I always find trouble shooting automotive electric a pain in the neck so I go to a shop that specializes in "auto electric". They will generally track down something this simple for about $25. It You can check if the spring fell out of your lighter (+ contact). Other than that, leave it to the pros - it is so much less of a headache.

-Mark

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?

Crazy problem. There is a photo sensor that tells the computer when it's dark and to turn on the lights. Do they work at night when you turn on the light switch ?
I would think the photo sensor is defective and should be replaced or eliminated from the light circuit.

it dims so u wont get blinded from the lights

Sir,
cut the dinner wire from the back of the radio and light will be bright again


Thanks Good Luck
Appreciate to rate as "Fixya"

I had the same problem with my 1998 Toyota Corolla. The sensors worked fine during the day, but all of a sudden they were out when it was dark outside. In addition my headlights would not come on when I tried turned them on manually. Of course this was a major problem. So I took my car to the dealership and they told me that the car needed new electrical wiring. They could not tell me how much it would be. Of course I don't trust a dealership to give me a good price, so I took it to Firestone. Not all mechanics are certified for Toyota, which was the case for the mechanic at Firestone. However, he was able to give me a temporary fix. He disabled the sensors all together so I could turn on the headlights manually. I hope this helps.