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Answered 2007-12-08 05:10:28

Have the Battery charged and tested to be sure its not over working the alternator.

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What causes the dash board lights and head lights to become dim while driving 1998 ford expedition?

could be the alternator is about to go out

Your car suddenly died while you were driving down the road but no lights came on what is wrong?

your alternator is dead.

What can cause everything in your dashboard to go up and down while driving also the lights are flickering?


Why do the headlights flicker when you press the brake?

Well when you are driving the alternator is at a constant speed then when you slow down the alternator sort of skips a beat causing the lights to dim!

You were driving along and the lights started to fade on your car then a whirling noise started after which your car wont start as if the battery was dead what is it?

Defective alternator or broken alternator belt.

Why are battery service lights glowing on my volv 740?

if the light get brighter when your driving then its your alternator so a new one will be needed

Head Lights and Lights Flickering?

Have your alternator checked out.

Land Rover discovery stopped running while driving?

Have alternator checked. There should also be other signs like lossing power to certain things or dim lights, if so...might be the alternator.

What would cause your headlights and dash lights to dim or shut down while driving my 2006 F150 Supercrew?

your alternator is going bad

Lights are pulsing and dash lights too why?

Possibly the alternator.

When I was driving my Mazda 6 all the dash board lights came on and my car just stopped turned off?

sounds like an alternator problem

Does driving with the lights on increase fuel consumption?

(no it uses the energy from the car battery not the energy made by the engine)Yes it does increase consumption because the battery has to be recharged by the power of the engine driving the alternator or the dynamo

When gassing an engine the lights grow brighter but when idling the lights dim?

Your voltage regulator is shot. It is integrated in your alternator. You need to replace the alternator.

Why do headlights lights flicker and service light come on after driving and when putting car in park?

Have your alternator tested. They will sometimes do that when they are putting out low outputs at low rpm.

Why does your lights pulsate when driving?

Loose alternator belt, poor ground connection, or loose or corroded electrical connections. A loose ground is the most likely culprit.

How do you know if your alternator went out?

The car will not start after driving for a period of time. The lights are very dim while the engine is running and get darker , or the battery light is on in the dashboard.

Will your lights come on if your alternator is bad?


What are symptoms of bad alternator?

There are several signs that an alternator is going bad. A few signs are dim lights, smell, warning lights, and a dead battery.

Why do your auto 4wd lights all light up on dash no soft or hard codes?

Im assuming these turn of after startup. When the alternator isn't running, these lights automatically come on. Your alternator doesn't start running until your car is running, because it is run by a belt from your engine. So, if your lights stay on after startup, either you have a snapped alternator belt or your alternator is buggered. We had our alternator belt snap the other day while we were driving down a hill, it was quite a scary experience as we didn't know what was going on and in automatics the breaks barely work without the alternater running.

What could make all the instrument lights in a 1999 Rodeo SUV come on while driving after a 250 miles trip?

Check your alternator, if it is going bad, your dash lights will go on. This condition will last until the alternator finally fails completely, leaving you stranded. Go to AutoZone or Walmart automotive and have it checked.

While driving 96 jeep Cherokee the lights dimmed out and the car stopped working its not the battery or the alternator what do you think is wrong where would you look?

Check for poor ground connection either at the alternator or follow the negative cable coming from the battery.

Your Ford F-250 superduty diesel 1999 has a problem with the speedometersomtimes it drops to zero and the cruisecontroll light starts flashing?

have the alternator checked sounds like an imtermittent problem that shows the alternator has a bad diode replace it soon or at sometime when driving with lights on,you will be stuck until daylight when you can drive without lights

Why does your idle drop when you turn your driving lights on?

Turning the lights on put a load on the alternator causing the idle speed to drop. I would have the battery and charging system tested to make sure everything is okay. The battery may be on its way out.

My head lights get brighter during acceleration. I have replaced the alternator. What causes the battery light and the air bag light to flash on and off when driving a 1994 Ford Taurus Wagon 3.8L?

your alternator was never the problem. Its your battery and/or charging system. the reason the lights get brighter is because the car isn't getting the propper amount of energy from the battery and is having to directly draw off of the alternator. when the engine is rev'ed the alternator spins faster creating more current to charge the battery, witch is why the lights brighten at higher rpms.

while driving my dodge caravan i had flickering head lights smelled wire burning when i played with switch i would get lights back but would not stay i changed the switch still no headlights can you?

If you have flickering lights and smell wires burning in your Dodge Caravan, you need to get that checked out by a professional. This actually happened to me once too and my van started on fire, it was horrible.