There are two or more faults at work here depending on the car.
If your car has a relay that runs brake lights or Tail lights one or both could be bad.
OR
If your car has these items controlled by a body control module it could be bad or with this system the computer grounds the bulbs to make them work and damage to the wires anywhere in the car can cause this.
OR
You have a brake light switch that keeps the brake lights on all the time AND a bad ground in the system so the Brake lights ground through the tail lights. This kind of thing is more common on per 2000 model year vehicles.
No , the rear brake lights do not turn on when you use your parking brake , just the brake light on your dash is supposed to come on
what color is the negative parking wire and where is located
the #3 slot is for the parking lights #11 is for the warning lights #21 is for hazzard lights and #26 is the back up lights the #3 slot is for the parking lights #11 is for the warning lights #21 is for hazzard lights and #26 is the back up lights
it would be the brake light switch about 20 dollars at autozone
on the idepaent rear suspection for the parking brake
brake light switch would be most common cause
Check your fuses. Sometimes it is just that simple.
Blown fuse? Damaged buss board?
And why in the world would you want to do that, as the rear brakes which are operated by the parking brake are already activated by the brake pedal. Do not even think of doing this.
Rear disc ? if it is rear disc brakes there is a drum brake in side of the rear rotor that is your parking brake and has an adjuster in it if you pull the rotor off.
Typically integral parking brakes are on rear disc braking systems. By activating the parking brake it adjusts the discs on the rear brakes. While the front discs are self adjusting, on the integral systems the rear discs are not self adjusting, thus the need for the integral parking brake system.
What fuse is for the 2005 Ford mustang Rear Brake lights?