- #BATTERY WARNING LIGHTS INSTALL#
- #BATTERY WARNING LIGHTS DRIVER#
- #BATTERY WARNING LIGHTS FULL#
- #BATTERY WARNING LIGHTS PLUS#
Consistently overcharging or undercharging the battery will eventually cause it to fail.
#BATTERY WARNING LIGHTS PLUS#
If they fail, it can lead to exorbitant repairs for the customer, plus it’s difficult to trace the damage sometimes.Īnd for the car owner, the cost is a major concern for their repair. Ignoring the battery warning light can lead to a host of problems, and they can be inconveniences like the radio or power windows not working properly or serious like lights being too dim or the engine eventually stalling.įor overcharging conditions, despite being less common, the battery can overheat and become damaged permanently, leak electrolyte, or even explode due to hydrogen vapors escaping the case.įor undercharging conditions, it can strain other components like the alternator, the wiring, or systems that aren’t getting proper voltage. Importance of Addressing the Battery Warning Light Battery terminals can also be the culprit, if corrosion builds up between the clamp and the post. Fasteners can become loose from vibration over months or years, or a connector can become corroded. If those concerns don’t end up being the root cause, then there’s potentially a broken or loose connection somewhere in the charging system. When a battery has failed in some way, such as an internal short from vibration or jostling damage or degradation from age, it may not be able to recharge well.
It’s usually accompanied by other symptoms, depending on the vehicle design, such as lack of power steering or engine overheating.Īnd while a battery isn’t commonly the faulty component triggering the warning light, it is possible. It’s something you’ll likely notice immediately when you open the hood since the alternator or serpentine belt will be missing. An issue with the internal voltage regulator is typically the source of the problem, especially when overcharging is the concern, but it can also be problems with any other component like the brushes or a broken or worn contact.Īnother common, albeit rather obvious, concern that can be the cause is a broken belt. One of the most common causes is the alternator assembly. The light itself is only an indication of voltage that’s outside of normal operating conditions, and it’s not exactly useful to diagnose the problem at its root. If it’s due to overcharging, the voltage exceeds 15 amps, typically, and the battery warning light will pop on.
#BATTERY WARNING LIGHTS FULL#
But on newer cars where the alternator output cycles, it can drop to 12.6 volts under normal conditions before cycling back on, so the light might only come on when it drops well below a full battery charge of 12.6 volts. On older cars, it would often come on when output dropped below 13.5 volts. If it’s due to low voltage, the light triggers according to parameters set by the manufacturer. The battery light only illuminates when the condition is present in the moment. It could be due to too much voltage (overcharging) or too little voltage (undercharging), and those conditions could be intermittent or constant. It doesn’t necessarily mean the battery itself is at fault. The battery warning light is red, and it’s typically shaped like a rudimentary semblance of a battery and lights up when there’s an issue with the vehicle’s charging system. Understanding the Battery Warning LightĪs technicians and service personnel, you’re familiar with it already. But what exactly triggers this warning light, and why is it important to ask more questions when the customer complains of it? Let’s delve deeper into these questions.
#BATTERY WARNING LIGHTS INSTALL#
Too many vehicle owners skip the diagnostic step and install a new battery right away, and often it doesn’t resolve the symptoms in the long term. And when these car owners come through the service drive to have their cars checked out, they’re already worried and frustrated. This little red light might seem insignificant, but it can signify serious problems with a car’s electrical system, including the battery and alternator.
#BATTERY WARNING LIGHTS DRIVER#
No driver wants to see the glaring battery warning light on your vehicle’s dashboard.
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