Q: Headlight problem

asked by on

When I start the car both headlights come on. Upon driving about 30s-2 mins the passenger side headlight will go out. Don't know why I can turn the headlights off and back on. The headlight will come but the same thing happens over and over.

My car has 145000 miles.
My car has an automatic transmission.

Hi there, thanks for writing in. I’d be happy to help.

If it is only the one headlamp that is doing this, then that headlamp needs to be replaced. There is a ballast system in the headlamp that fails and causes this to occur. I typically check the connections first to make sure that they are clean and tight and if they are, then I replace the assembly. I also check the bulb first as that may be shorting internally. If you want to have this looked at, consider YourMechanic, as a certified mechanic can come to your home or office to inspect and diagnose this, and make any necessary repairs.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1,000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!
  1. Home
  2. Questions
  3. Headlight problem

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Car started shaking, worse at slower than at higher speed, after service engine soon yellow light came on. Car after not used for

Hello there. In most cases, when a car starts to shake when you accelerate which is worse at slower speeds, can range from engine mounts that are worn out or damaged wheel bearings or suspension components. Due to the variety...

Q: Hi! Check Engine Light appeared after upgrading the timing on my Cadillac SRX 3.6 engine from year 2004 to 2007.

Hello. I would not recommend changing the timing between model years. There are certainly software differences in the engine management system (this is what is causing your Check Engine Light), and there may be physical differences in timing reference points...

Q: Headlights

Hello. Your issue may be caused by one of several factors. The typical issues like this with the headlights pertain to a bad relay, connection, socket, or dimmer switch if equipped. If you have a voltmeter, you can track down...

Related articles

How Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...