jeffast123 write:"when i stop at a stoplight late at night my headlights interrior and all instrument light flicker in sync i am wondering if this is a problem".

The same problem i have 2 days ago and problem is that 2 of diodes are damaged. I've replaced but the problem is that my alternator is not gharging. At 800rpm=12.6V and 2000rpm and far, the voltaj is going down until 11,5V.My battery is a new one!!!!

 

Please HELP.

 

Thanks.

 

Sorry my bad english.

I mention that since than my brake an charging(red) lights are death, only my oil light is ok.

 

Thank ypu again.

Just replace the whole Alternator, it might be a bad regulator.

 

Don't worry about your command of the english language, you do better then a few who speak it as there first language:) . Later, Tim

The reason the warning lights come on also is because they are in the exciter circuit for the alternator. Replacing the alternator, like Tim said, should take care of the problem. You may also want to check for any voltage drop on the alternator output wire to the positive battery post. There should be no more than around 0.1 volts (100 millivolts) on the lead.