Best Answer

Bearing failure. Have the alternator tested. describe the whine - is it proportional to the speed? It oculd be because of the load and the charging - how is your battery condition? Did it do this before? Bearing failure. Have the alternator tested. describe the whine - is it proportional to the speed? It oculd be because of the load and the charging - how is your battery condition? Did it do this before?

User Avatar

Wiki User

โˆ™ 2006-02-25 13:28:31
This answer is:
User Avatar
Study guides
See all Study Guides
Create a Study Guide

Add your answer:

Earn +20 pts
Q: What causes the alternator to whine when you turn on the lights?
Write your answer...
Related questions

What causes car to stall when you turn on lights?

Generally this is caused by something failing in the charging system. Test your battery and alternator.

Your Nissan 200sx brakes and battery lights turn off and on?

Alternator, every post i have ever read all points to the alternator

What causes turn signals to stay on when the lights are on 94 integra?

Your emergency lights are on.

What causes Steering whine when i turn the steering wheel in a 98 grand am?

Low steering fluid can cause a steering wheel to whine when turning. A worn steering belt can also cause a steering wheel to whine when a car is being turned.

What makes 1996 Chevy blazer die when you turn on the lights?

Alternator is not charging the battery. When you turn on the lights the system doesn't have enough power to keep the engine running.

What causes the gas brake and battery light to turn on Is their a sensor that controls all of them in a 1995 Isuzu Rodeo.?

when all three of those lights turn on that means that your alternator is bad. i just went threw this same problem with my rodeo

What will cause the engine to die when you turn the head lights on in a 1985 ford F150?

you need an alternator

How can I get the brake and battery light to turn off in my Kia Sephia?

My lights were coming on when my alternator was going out. Test your alternator and charging system and replace accordingly.

There are no dash lights on my 1996 Chevrolet lumina. When I turn the headlights on the dash lights and radio light turn off. I've checked the fuses with no luck. alternator?

No, its a bad earth somewhere

What makes your dash lights go dim when you turn your headlights on and go back bright when you turn them off?

A weak alternator and/or battery.

What causes 2005 kia to die while driving now wont turn over at all no lights but battery is good?

That's a bad alternator hun.. had it happen to me twice. The alternator is probably 200 to 300 bucks...have a friend install it. Much cheaper and its not that hard to do.

What causes your tail lights and parking lights not to work but turn signals headlights and brake lights work?

Fuse, wiring, bulbs

Why does your amp gauge go down when you turn on your lights?

The amperage gauge will go down when you turn on your lights, because there is a sudden draw of electric power from the battery. The alternator should equal out the power surge.

I have a 1997 ford escort sport When i turn on the head lights all interior lights go out?

How's your battery, is the car starting properly. Maybe the battery or alternator.

What causes both of your turn signal indicators to turn on when you turn on the headlights in a 1984 Chevy pick up?

There is a faulty ground wire in one of your tail lights or front parking/clearance lights.

What causes a truck not turn over Battery is 5 months old?

The most common reason for a vehicle not to turn over is a bad alternator. If the alternator is not charging the battery the engine will not start, regardless of the battery age.

What causes reverse lights to stay on?

Both a stuck reverse switch and shorted wiring can be causes for reverse lights to stay on. Under normal circumstances, the reverse lights turn off as soon as the vehicle is shifted out of reverse.

What makes your fuel gauge needle fluctuate with your turn signal?

Probably a dying alternator. Other lights may come on or off in the dash cluster. Check your accessory bet and have your alternator tested.

What are the signs that an alternator is going bad?

One way to tell if your alternator is going bad is to start it up, preferably at night, and turn on the lights. Then turn on the the heater fan. If your lights get dimmer when you turn on the fan the alternator could be going bad. A common problem with an alternator that is insufficiently charging is having to jump start your car even after you have run it beforehand. The best way to test it is with a volt meter. You should read 13 to 14 volts across the battery while the engine is running, if you read less your alternator is insufficiently charging. Another way to test it is to take it to a parts store for a free test.

Your 92 eldorado starts to choke out when you turn your lights on?

Sounds like it could be low voltage Battery charged? Alternator working?

Egr 94 ford f 150 the truck is running and when you turn on the lights the truck dies immediately?

have the alternator tested or replaced

Why does your 95 Toyota Tacoma run just fine and then die when you turn on anything electrical like head lights brake lights radio or windshield wipers?

Check the alternator capacity.

Why your lights in the dash go dim every time you turn on your head lights?

The alternator is probably getting weak and not charging as much as it should. The belt could be loose and slipping some.

What wrong when the instrument panel lights dim when AC is turn on?

When you turn on the A/C the engine RPMs drop slightly. If this causes the dash light to dim slightly then I would suspect your alternator is weak or the drive belt is slipping. Check the belt and adjust or replace as necessary. Also check the output of the alternator with the engine running at idle. You should get a reading of 13.5 to 15.5 volts on a digital volt meter.

Why would your 1977 Beaver RV Starts but then dies when put into drive and head lights turn on?

Sounds like a possibly weak alternator