Everybody’s Auto Service Blog
What are the common symptoms of an alternator issue?

Your car's alternator plays a crucial role in keeping the electrical system running and ensuring your battery stays charged. When the alternator begins to fail, it can lead to a range of problems that affect your vehicle's performance and reliability. Identifying the warning signs early can potentially save you from being stranded. At Everybody’s Auto Service, we provide expert alternator replacement and auto electric repair in the greater North Seattle area. Here are five common signs of alternator trouble.
Warning Light on the Dashboard
Most modern vehicles have a dashboard warning light specifically for alternator or battery issues. It often appears as a battery symbol or may simply say ALT or GEN. If this light comes on while you're driving, it’s a warning sign that the alternator isn’t functioning properly and needs immediate attention.
Unusual Noises
A failing alternator may produce strange noises, such as grinding or whining sounds. These noises can result from worn-out bearings in the alternator or a misaligned belt. If you hear these sounds coming from under the hood, it’s time to have the alternator checked by the mechanic.
Dimming/Flickering Lights
One of the most noticeable signs of alternator trouble is dimming or flickering headlights and dashboard lights. Since the alternator supplies power to your vehicle's electrical system, any malfunction can cause inconsistent power delivery. If your lights seem unusually dim, it could indicate that the alternator is struggling to maintain a consistent charge.
Electrical Accessory Problems
When the alternator isn’t supplying enough power, you might notice electrical malfunctions in your car. Power windows may operate more slowly, the radio might cut out, or other accessories like the air conditioning may not function properly. These irregularities are often caused by insufficient electrical supply from the alternator.
Dead or Weak Battery
If your car battery keeps dying despite being relatively new, the alternator could be to blame. While a failing battery can also cause issues, a malfunctioning alternator won’t properly charge the battery, leaving it drained and unable to start the car.
Alternator & Auto Electric Repair in Shoreline, WA
For
auto repair in North Seattle and the surrounding area, contact Everybody’s Auto Service at
206-201-1373. At our nearby auto shop, we can expertly address your vehicle’s repair and maintenance needs. Feel free to give us a call to make an appointment!






