First check your turn signal switch
Short in the wiring, brake light assembly, or possibly a defective brake light switch.
A short in the Brake light circuit? Bad brake light switch?
A multimeter is a good tool to check for a short in the brake light. Put one end of the meter on one side of the wire near the brake light. Put the other end on the metal that is around the bottom of the bulb. If the bulb does not light up, there is a short. If the bulb lights up, there is no short in the wire.
Stuck brake light switch, or a short to power somewhere in the brake light circuit.
Could be a short in the brake light switch or a bad bulb.Try removing all of the tail light/brake light bulbs and step on the brake pedal to see if the fuse still blows.If it does it is a brake light switch problem or a short in the wire harness.If not it's a bad bulb.
The trailer has a dead short in that right side brake light circuit.
A short in the brake light circuit.
try replacing brake light switch sounds like you have a short in it
Jaguar use low current wiring in their looms. The lights are switched via relays at the back of the car. Behind the boot (trunk) trim on the passenger side is a relay box. The brake light relay will be faulty or the relay base will have a short circuit across it.
There is a short in the wiring or a corroded brake light receptacle.
You could run a "jumper" wire to the nearest place to get to a brake light wire and connect it that way. It shouldn't be a big job to hide the wire.
It's because you have a short current somewhere. You need to check the brake light wiring.