Skip the auto shop - Our mechanics make house calls

Q: Brake light issue

asked by on

Right brake light doesn't work, tail lights work fine. Changed bulb, checked fuses. When I step on brake pedal all lights on rear right go out.

My car has 115000 miles.
My car has an automatic transmission.

A: The rear brake light on the right uses the ...

The rear brake light on the right uses the same power as the one on the left. If you are getting brake lights on the left side but not on the right, then you will need to test the right rear socket. The tail light and brake light are in one bulb that shares the same ground in the socket. When you hit the brake, most likely the light is going out due to loss of ground in the socket to the bulb. Check the socket to see if it shows signs of heat damage or corrosion. Then try replacing the socket and retest the light. If you need any professional assistance with this repair, try contacting a certified technician, such as one from YourMechanic, who can diagnose your brake light problem.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 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!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Save up to 30%

Get a quote

What others are asking

Q: Water leak, don't know where

If your engine has no external coolant leaks, and is still requiring you to put water in the radiator, that water is leaking internally inside the engine. But before jumping to that conclusion, a cooling system pressure test should be...

Q: My brake lights and head lights won't come on. It's not a blown fuse.

Hello, thanks for writing in. If all of these lights stopped working at the same time then you either have a main switch problem or a voltage issue from the fuse box. From my experience with this vehicle it is...

Q: Coolant drained from overflow tank, radiator still full but has went down a bit

This leak is most likely coming from the water pump. When the system starts too leak the overflow bottle keeps the radiator full. You will need to have the cooling system pressure tested to confirm that this is the actual...

Related articles

How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
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...
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.