Car Electrical Problems Flickering Lights. It could be a bad starter, corroded cables, or a broken connection somewhere between the battery and starter. Either of these issues can halt the flow of electricity in any of your electrical systems.
I have posted before, and were still fighting with our dealer. Also please check out the statistics and reliability analysis of lincoln town car based on all problems reported for the town car. Other signs that your alternator requires repair include dimming headlights and a growling or whining noise under your bonnet.
This is the most common reason for flickering lights, when one of the three rotating plates that generate electricity wears out, it starts hitting “dead spots,” and the power wanes, causing the lights to flicker.
Interior and exterior lights and the instrument panel. While it can be an intensive treatment to replace an alternator, it is, most of the time, much easier to replace a starter, and a sun devil auto technician will also look at this component when your car experiences flickering dashboard lights. We didn't notice a difference when we used more or less power in the car, like turning on the radio and a/c. Once the alternator stops working, so do all of the electrical systems required to keep a car going.