The housing may have a crack letting water or moisture in, or just take the bulb out and take a small screwdriver and scratch the contacts in the plug to clean the corrosion off do this with the lights off or you will blow a fuse, then plug the bulb back in and try it again, if the housing is cracked you may have to purchase a new one or just take some clear silicone, which you can purchase at your automotive store and seal all the cracks, then reinstall the parts and try again.
Fuses dont trigger anything they keep a circuit from burning up if shorted out The brake switch attached to the brake pedal does
Short in the wiring, brake light assembly, or possibly a defective brake light switch.
The red " BRAKE " light in your dash comes on if the parking brake / emergency brake is on and also if the BRAKE FLUID LEVEL in the brake master cylinder located in your engine compartment is LOW
Your brake fuild might be low.
Has to be a short in the wiring or where the wiring is connected.
It is supposed to quit burning.
The brake light fuse might keep tripping or going out on a 2001 Ford Ranger is there is a short in the line. The fault could also be with the part that tells the brake light to come on. This is located in the steering column. There is a brake light relay switch where the brake pedal is attached to the steering column.
If you tow a trailer, the extra brake lights might be too much electrical load for the switch, especially if the switch is close to the electrical load ratings already.
Under the hood in the fuse box next to the passenger hood hinge. It is #42 and labeled "Stop & Horn", NOT BRAKE! It is a 20 amp fuse. Before looking for this fuse, test your horn. If it beeps then the fuse is NOT blown! If the fuse is good and the brake lights still don't go on, test the brake light switch. If the switch is bad it will also keep you from going out of park and into gear!
Try tracing your wiring. You may have a break in the wire that grounds out blows your bulb.
It is possible that one of the bulbs is shorting out. Try replacing the brake light bulbs, if that doesn't work, troubleshoot the brake light switch.
More than likely low brake fluid level in the master cylinder. Check it.
Are both your brake lights blowing out? If it affects only one light: it could be a bad light socket, or a pinched or frayed wire that is shorting out.
The brake light switch is threaded into the master cylinder. Open the hood, look at the brake master cylinder, notice the brake light switch with wires connected. Have new one ready to install when you remove the old one to keep loss of brake fluid to a minimum.
short in electrical circuit
If the brake fluid level is low in the brake master cylinder in the engine compartment that will cause your " brake " light to come on just like engaging your parking brake does
The brake light switch is mounted right at the brake pedal - a pin coming out of the switch actually touches the pedal.Can a bad switch keep a car from going into reverse: no. It CAN keep a vehicle from shifting out of park thoughSee "Related Questions" below for more
the heat needs oxygen to keep burning and to light the flame the fuels need to be burnt
low on brake fluid top off
Remove the line and replace it. Then make sure to keep the master cylinder full while you & a helper bleed the front brake caliber. Be sure and use brake line tools and not open-end wrenches or you will damage the brake lines.
why does my turn signal light keep burning out and why is the sockets and plastic lens melted.
If this is happening you need to get your furnace serviced by a qualified engineer.
It sounds like you have a short somewhere.
1 faulty brake light switch, 2 faulty wiring from switch to taillights. Possible short on trailer jack (if fitted).
IS it the BRAKE LIGHT or the Parking Brake Light? If it is the BRAKE LIGHT, then your pedal must be going down far enough to hit a sensor that sets off the brake light to tell you your brakes need serviced. Normally this means you are low on brake fluid. If you are low on brake fluid FIND OUT WHY! You may have excessive brake pad wear, or a leaking brake cylinder, or your master cylinder may be going out. If you keep pumping the brakes and then stand on it hard, feel for the pedal to eventually go soft, if it does, then normally the seals in the master cylinder are going out. If you pump the brakes and the pedal never gets hard, then you have a serious brake fluid leak. If the Parkign Brake light stays on, then your parking brake is not fully releasing, at least where the contacts are to remind you it is on. This can be adjusted.