answersLogoWhite

0


Best Answer

If an alternator light keeps coming off and on, this may indicate that the voltage output of the vehicle is going up and down intermittently. This may mean the alternator may need to be replaced soon.

User Avatar

Wiki User

10y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: Why does your alternator light come on randomly and intermittently?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

Why does the battery light come on intermittently the alternator has been changed battery checks good the lights flicker when battery light is on and light goes out after car is restarted?

Battery light usually means alternator not charging. Most common solutions would be be a bad alternator, bad connection, or loose alt belt.


What does the Check Engine Light mean when it goes on and off randomly on a 1991 Audi 100 Also how do you replace the audibose speakers?

usually a vacuum leak on the 12v v6 usually will come on intermittently on highway use


Would oil pressure switch cause light to come on intermittently?

Yes it could.


If your battery and brake warning lights come on together intermittently in your 99 Galant DE what is wrong?

I had this same problem with my !995 Galant. It turned out to be the alternator.


What causes the alternator light to come on?

It usually means that the alternator isn't charging properly.


Battery light was on and checked to see if it was the alternator and the alternator was bad have not fixed the alternator and now the battery light has not come back on what could be the problem?

There is no problem...the problem was the alternator. You have fixed the problem.


Why has the battery light come on after changing the battery alternator and starter motor?

Is it charging, if not have you checked wiring to alternator.


Why does brake light and battery light come on at the same time in an eclipse?

Your alternator is not charging.


Why would the brake and battery lights on a '92 Corolla come on intermittently after you replaced the alternator and cleaned the battery cables?

You probably have a bad ground. Check the grounds on the brake lights.


What causes the abs and brake light to come on intermittently on a 99 silverado?

You may have an ABS sensor going out at one of the wheels.


What would cause the alternator light to come on and off On a 1989 Buick Skyhawk?

A failing alternator with sticky or worn out brushes.


Will battery idiot light come on if battery is low but alternator is ok?

No. If the alternator is working fine, the battery power is not used.