When should I turn my headlights off?

Make sure you can stop within the distance lighted by your headlights. The law says you must turn your headlights on 30 minutes after sunset and leave them on until 30 minutes before sunrise. You must turn your lights on any time you can’t see at least 1000 feet ahead.

Why does my car die when I Turn on the headlights?

If turning on the headlights overwhelms it and causes the car to die, the output is not enough to charge the battery. The battery may need to be replaced as well. To find out, you will have to charge it and load test it.

Why does the engine stall when I Turn on the headlights?

Sounds like the head lights are stealing ground from another circuit cause the car to shut off. Do you have a multimeter to do some testing? helpful? Yes I do. As a matter of fact I check the alternator and battery first. helpful? Do you have daytime running lights? helpful? No daytime running lights or fog lights. helpful?

How can you tell if your alternator is bad with headlights on?

Alternator as previously mentioned, and grounds. Basic alternator test is to connect a multimeter to the battery while the engine is running. The voltage should be about 13.5-14.2v. Turn on the headlights to see if this value drops. If it falls out of range, your alternator is bad. Second thing is bad grounds.

What happens if your alternator dies without lights?

IF it dies, it is your alternator. Might have enough strength to keep it running with out too much of a load (without lights, a/c), but not enough with a higher load. That will also weaken the battery. The cheap way to load test your battery is to hook up a multimeter to it and start your car.

What happens when I Turn on the headlights?

Engine runs fine until I turn on the headlights, then it slowly dies. When I disconnect the head lights at the headlight it won’t start. When I pull the headlight fuses it dies and won’t start.

Why does my car battery die when I Turn on the headlights?

It definitely sounds like the alternator needs replaced. If turning on the headlights overwhelms it and causes the car to die, the output is not enough to charge the battery. The battery may need to be replaced as well. To find out, you will have to charge it and load test it.

What should I do if my headlight dies?

Wondering if there might be something weird going on in the headlight switch or someplace else in the circuit (tail lights, dash lights). Here is something to try. Start the car, then disconnect one of the battery leads. Should stay running, if it does, turn on the lights. IF it dies, it is your alternator.

Why does my car stall when I Turn on the headlights?

When I pull the headlight fuses it dies and won’t start. When I disconnect the light switch at the dash it won’t start. The 4 way flashers and blinkers only work when the key is in on position, when engine is running neither the flashers or turn signals work.