Our dashboard lights serve as surefire indicators that something is wrong. If your battery or check engine light turns on while driving, there may be a problem with your vehicle's alternator, its battery, or both. If your car does not have a battery light, it will likely have an ALT (alternator) or GEN (generator) light that will turn on when something is wrong. If this happens, pay particular attention to your vehicle's electronic components. If you're driving at night with your headlights on, and then you decide to turn your radio on but it does not work, this is a strong indicator that there is an issue with your alternator. 

One of the most common signs of a failing alternator is dim or flickering headlights. Similarly, your vehicle’s windows may roll up and down more slowly than usual, or your backup camera may have glitches. Of course, it is possible that there is something wrong with the accessory itself, but if you are experiencing more than one of these issues simultaneously, there is a high possibility the problem is the alternator.

f you are experiencing any of the above signs, you may want to check your vehicle's serpentine belt (if you are unsure about this, our technicians at Wichita Premier Auto Services can take a look for you). Because the serpentine belt helps power the alternator, if this belt is loose, it will affect your alternator's performance. 

Negative sensory cues are a sure indicator that something is wrong with your vehicle. If you are hearing grinding or whining noises, this could mean one of the parts inside the alternator is worn out or broken.

Normally, your engine should run smoothly and have no concerning noises. If the spark plugs are damaged, however, this could cause the engine to sound rough while idling.