Rear: Brake, Back-up, Tail, Turn signal (3 bulbs, all # 3157)
To access the rear bulbs, open the liftgate and remove the two Phillips head screws from the side of the housing as shown in the center photo above. Slowly and firmly rotate the assembly away from the vehicle until it disengages from the ball pin socket that secures it in back.
Each of the three light sockets, all containing the same exact bulb type, can be removed by turning them counter-clockwise 1/4 turn.
Taillight harness connector
To remove the taillight harness, slide the red lock tab up and pull connector off.
How to change the brake switch on a 2004 Jeep grand Cherokee Laredo
Yes.
The 1993 Jeep grand Cherokee brake light switch simply plugs in and out. The brake light switch is located beneath the dashboard on the drivers side of the engine compartment.
To replace the brake light bulb you need to remove the whole light assembly. Once removed the change is simple.
The brake light fuse on a 2003 Jeep Grand Cherokee can be found by looking at the cover to the main fuse box. It identifies each fuse and its location.
A short in the brake light circuit.
wjjeeps.com . they show how to replace every light and with what bulb
Replace the bulbs
If equipped, it is above the liftgate glass.
They aren't. The brake light circuit is not connected with the headlight circuit.
You need to check the wiring for power to the bulbs.
passenger side fuse panel....#2