Headlights flickering Headlights and interior lights flicker. I have replaced the alternator battery and headlight switch. All ground wires have been checked. Can someone please gie me some advice on how to fix the issue

Sometimes, a headlight may start flickering due to physical damage to headlight components. The inside of the connector may start to melt, causing a poor connection. the bulbs or lamps of your headlights are old or damaged, it can cause the headlights to flicker. Fortunately, this can be a relatively quick fix.

When the alternator starts to give out, your car’s electrical output is affected. This could result in flickering, dimming, or inoperative headlights, as the headlights depend on power from the vehicle's battery. When the alternator is unable to charge the battery, the vehicle's electrical system will quickly drain the battery. One of the most common causes of headlight flickering is a dying battery. Your headlights rely on power from the battery to function properly. If the battery is failing, flickering, or dimming headlights may be the result. In this situation.

you should try cleaning the terminal connections of the headlights wiring with like wd40 or anything that removes. moisture . then check the tightness of them .thanks.

Diagnosing Common Automotive Charging System Problems

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Sep 18, 2013 - Flickering gauges. ... Problem: The charge indicator light flickers while driving. .... My alternator has been replaced for the third time in 5 months. ... I bought a new regulator but it is still doing the same thing... .... my headlights wont turn on, car runs fine when jumped, battery last for maybe 3 hours, any ideas ...

All lights Flickering/Pulsating only when motor is running ...

www.cadillacforums.com/forums/cadillac-forum/t-221843.html

Feb 11, 2011 - So i have noticed for a while now that all my interior lighting (radio, tach, even ... Installed the battery and have not had issues starting since then. ... So now ipurchased a new alternator "just in case" figuring i would eliminate the .... Interior lights and headlights still seem to pulse/flicker while idling the most, ...

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Apr 22, 2013 - 20 posts - ‎4 authors

Bad plugs on the bulbs.Bad grounded lights wiring.Bad alternator ground.Bad alternator charge.Bad lights switch.Also ,the new lamps may show more sensibility in voltange change or put more pressure on a older bad wiring link.

Flickering headlights can be caused by a bad alternator, the car might not be charging correctly the battery, check alternator. Good luck

sounds like a ground problem. there is more than 1 ground wire on them

check all block grounds and chassis grounds.

Check the wiring from alternator to battery (check every single joint or clip for tightening) or better let it check by an electrician.

Check to ensure that battery cables are tight, and engine ground, and all wires running to your alternator.

Definately an electrical problem....first off, check the battery and alternator connections to make sure they are tight. The problem has to be before the fuse box because the headlights and interior lights are on different fuses. It sounds to me like a loose wire, corroded battery terminals, or an alternator that is going bad. An alternator is a relatively easy and cheap fix. They cost about $100 and require removing a few wires, 3 bolts, and the serpentine belt.