Loose wiring. Improper connection.
It sounds like you have a short somewhere.
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.
Check the electrics
To prevent light bulbs from blowing out frequently, you can: Use the correct wattage for your fixtures Ensure a stable electrical supply Avoid frequent on/off cycling Keep the bulbs clean and free of dust Consider using LED bulbs, which are more durable.
Are you blowing fuses or are the bulbs blowing? Blowing fuses would be a sign of any wires or metal contacts in your brake circuit grounding out or shorting on themselves. You'll have to check all of the wiring in your brake light/switch circuit to be sure.
you need to replace the fuse for the headlights.
The tail lights on a VW Golf may keep blowing if a short is present in the system. When wires become damaged, they will quickly overload a circuit and blow fuses and bulbs.
Short to ground in one of the light fixtures. replace the fuse with a test light. Test light will glow. remove bulbs and fixtures one at a time until light goes out that will determine which unit is bad --replace as necessary
Problem with plug shorting?
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.
Light bulbs may burn out frequently due to several reasons, such as using the wrong wattage, poor quality bulbs, excessive vibration, or issues with the electrical wiring in your home.
Dead short in light wires or sockets remove each bulb and socket and replace bulbs one at a time until fuse blows and check wiring to each socket.