Why would both brake lights go out at the same time?
Bad Brake Light Switch When the brake pedal gets pushed, a switch is triggered to send a signal to the lights out back that it’s time to turn on. If all three brake lights are out at the same time, it’s unlikely that the trio of bulbs died simultaneously. In this case, it’s more likely a bad brake light switch.
How do you test a brake light relay?
Place the sensor on just one of the two wires and hold the brake pedal down as you do so. Then test the other wire. If power is connected and the switch is working properly, the test bulbs will illuminate. If it doesn’t light up, the brake light switch is faulty and will need to be replaced.
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 are the brake lights not working but the tail lights are?
The Light Bulbs 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.
Why does my brake light turn on when I push the pedal?
When the brake pedal gets pushed, a switch is triggered to send a signal to the lights out back that it’s time to turn on. Analog switches wear out over time, and they can get dirty, too, which interferes with their ability to make positive contact and transmit the right signal.
Where are the fuses for the trailer lights?
If the truck’s BL filaments are burned out, the trailer lights should still work provided the fuses are good. RHFD has it right. The under dash fuse box is for the truck’s lights – The power distribution box under the hood contains the fuses for the trailer lights.