What happens if alternator fails while driving?

If the alternator fails while driving, several problems can arise:

• Battery Drain: Since the alternator is no longer charging the battery, the vehicle will rely solely on the battery for power. This will quickly drain the battery, leading to a complete loss of electrical power.
• Electrical Failures: As the battery drains, you may notice dimming headlights, malfunctioning dashboard instruments, and loss of power to electronic systems like the radio and air conditioning.
• Engine Stalling: Once the battery is depleted, the engine will ultimately stall because it no longer has the electrical power needed to keep running.
• Warning Lights: The battery warning light on the dashboard will likely illuminate, indicating a problem with the charging system.
• Power Steering and Brakes: If the engine stalls, power-assisted steering and brakes will fail, making it more difficult to control and stop the vehicle.

If you suspect your alternator is failing while driving, it's important to:

• Turn off non-essential electrical systems to conserve battery power.
• Avoid shutting off the engine, as it may not restart.
• Drive to the nearest safe location or repair shop as soon as possible.

Regular maintenance and checkups can help prevent alternator failures and ensure your vehicle's charging system is functioning properly.

Wondering what happens if alternator fails while driving?  Call our ASE Certified Technicians at Gary’s Quality Automotive for more information about car starters and to request an appointment. Our auto repair shop proudly serves vehicle owners in Grand Island, NE, Wood River, NE, and Doniphan, NE.