How can I tell if my brake light switch is faulty?
Probe the bulbholder input. If the lamp now lights the problem lies in the bulbholder; no light means you have to check further back. Probe the switch input and output terminals. If the input terminal lights, but not the output, the switch is faulty. Find which fuse governs the brake light circuit and check that the fuse is passing current.
Where is the fuse on my brake light?
If your lights don’t illuminate on either side and your brake light switch is good, then the next thing to check is the brake light fuse. Locate your vehicle’s fuse box, which is usually under the hood or on the kick panel inside the passenger compartment.
Is it legal to have a brake light on a spoiler?
If the car has a centre high mounted brake light then it has to be disabled anyway. It is not legal to have brake lights both on the spoiler and the rear window. This is why cars that come with factory fitted spoilers only have them either on the spoiler or in the rear window. Not both. gramin writes… Not both.
Why are the brake lights not working but the tail lights are?
Blown out light bulbs are the most common reason for why the brake lights not working but the tail lights are. Remove the screws from the bulb lens (which you can access through the trunk or see your vehicle repair manual to get the exact location). Push the bulbs and turn them counterclockwise to remove from the socket.
Where is the fuse on the brake light?
You will get the fuse panel under the dashboard and the PDC under the hood. The brake light switch is also to be found under the dashboard and check if its plunger touches the brake pedal arm. Any problem with the fuse box and light switch will affect the brake lights. In case if the fuse is blown, change it with a new one.
Why does my left rear brake light not work?
The tail lights work, just the brake/blinker rear left don’t. Is could be the turn signal switch, here is a guide and a wiring diagram that will help you find the problem. It could be the BCM which control the lights, but check the other fuses first in the system.
What to do when your brake light has no power?
This portion of the guide is to help you test for power when one, both lower or all three brake lights have no power. Test the Fuses: Use the owners manual or the lid of the fuse panel to find the brake light fuse. Then use a test light to check the fuses for the brake light and BCM fuses and replace if any are blown.
How can you tell if your brake light bulb is bad?
Once the socket has been removed it will expose the bulb which may have a burned mark or be light blue in color which indicates a leak in the glass. In either case the bulb is no good. Grasp the bad bulb and pull it from the light socket. Some bulbs you will need to push down and twist counterclockwise.