The Central Hub for DSM Community and Information

For 1990-1999 Mitsubishi Eclipse, Eagle Talon, Plymouth Laser, and Galant VR-4 Owners. This is where the DSM platform history is documented and archived. Log in to help us in our mission, and to remove most ads from the browsing experience.

Power voltage pulsating (lights) -alternator related I know. but a question.

This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others.

Lordpaxin

20+ Year Contributor
1,890
15
Apr 21, 2003
Jackson County, West Virginia
Hello.

Its a new battery, and a New Autozone alternator.

and intermittantly the lights will pulsate. I searched and the answer was "hit and miss with rebuilt alts, the regulators gone bad"

But my question is.

When i am driving down the road, and the lights are pulsating. If i kick it into nuetral and coast, it stops. if i tap the gas, it starts again. it doesnt it always during decelleration, or accelleration. but always stops at 0 percent throttle.

Odd.
 
Can't tell you what your problem is for sure. But yeah it does sound like its a regulator problem under high rpms. I can tell you that I've gone through 4 autozone alternators before I gave up, haha. I'm sure you've double checked all connections and the belt? Does the pulley have play or anything?
Good luck!
 
^ ^ ^ - Pulsating under load, either a bum regulator or worn slipring brushes. You might want to wire-up a cheap analog voltmeter to a cigarette lighter plug and see what it's doing while you drive.
But I suspect you're doomed to do the alternator again.

Do not step on it, this time.
 
honestly from expirence I have always had bad luck with autozone stuff I will only go there for oil or spark plugs only because they are close. But that is just my expirence with them.
 
Add Value - Be Respectful - No Trolling - No Misinformation - Participate Often!
Support Vendors who Support the DSM Community

Latest posts

Build Thread Updates

Latest Classifieds

  • For sale 1g 91-94 ignition coil
    1g coil with harness side igniter harness. Digging in a box of remains from a yard six bolt for...
    • Galant665
    • Updated:
    • Expires
  • Wanted 2g Finish My Project!
    I am in need of some big ticket items in order to finish my project. In my engine bay there is...
    • dhssoccer24
    • Updated:
    • Expires
  • For sale AEM Series 2 Total Control Plug And Play Stand Alone ECU For Sale
    I am selling my AEM Series 2 plug and play, fully programable, stand alone ECU. I had bought...
    • LSM
    • Updated:
  • For sale 2g 2g passenger side PW switch
    Passengers side PW switch. Good condition. Message 702-741-6987
    • Galant665
    • Updated:
    • Expires
  • For sale 2GB Factory Owners Manual For Sale
    I am selling the factory owners manual warranty info booklet, and maintenance booklet, all in...
    • LSM
    • Updated:
Back
Top