Skip the auto shop - Our mechanics make house calls

Q: Lights connected to the same fuse don't work

asked by on

My car has several lights on it that are supposed to work simultaneously but don't. Tail lights are the main ones. It is strange as all are connected to the same fuse, including dash lights, glove box light and licence plate light. I have recently replaced the signal lever and the fuse is working fine. Do you have any idea what the issue is?

A: Hello. This is typically a failure in the h...

Hello. This is typically a failure in the headlamp switch or a bad ground connection. However, the most common issue I have found with this is the switch. I would typically start by accessing the back of the switch by removing it from the dash and leaving it connected.

I would then use a voltage meter to verify that the switch is getting source voltage and then see if it goes to the circuit when turned on. If not, then the switch needs to be replaced. If you want to have this repaired, consider YourMechanic, as a certified mechanic can come to your home or office to diagnose your lights issue and point out the proper repairs.

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・Fair and transparent pricing

Get a quote

What others are asking

Q: Aircon makes car battery flat

Hi there. From the description you have provided, the alternator may not be keeping up with additional load of the air conditioning system. This could be the result of, a loose/worn drive belt or a faulty voltage regulator which is...

Q: My brake lights will not come on. I replaces the fuse, bulbs, and the switch - still nothing. 2001 Mazda 626

Hi there - it is still possible that the brake light switch has to be adjusted, or that there is a problem with the wiring to the brake lights. You have certainly done a great job attacking all the logical...

Q: Third row seat not going down in 2004 Ford Expedition

Hello. There are mechanical parts in the seat that are stopping the seat from going down. If the seat is controlled by electricity, then those fuses could cause this problem. A certified technician can complete a diagnosis and will be...

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...
P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the P0052 code means This code is seen when the Engine Control Module (ECM) tries to control the...
What are the Car Pool Rules in Hawaii?
Hawaii is widely regarded as a land of vacation and relaxation, and as such, its scenic roads and routes are far better known than the state’s freeways. But, as with all...