94 Jeep Grand Cherokee Laredo: No power to left tail light

If the bulb is ok, the problem could be in the socket. You may be missing the ground circuit for the socket.

Should be two bolts holding tail lights in then remove bulb if not remove trim and remove bulb

Check the fuses as well as the wiring near the tail light.

If all seems good, get a cheap multimeter and check the voltage in the wires that go to the tail light (red probe on one wire and black probe on the other). If you get a reading about 12 Volts (or -12 depending on which wires the black and red are on) the problem is the tail light or bulb itself.

Trouble shoot wires there is a break somewhere and its touching metal hope this help.

check to see if there is power at the connector if not check wires under back bumper where they connect

2001 jeep grand cherokee left brake does not work period. I replaced bulb to no avail. the entire tail lamp assembly looked brown as though it heated up. However, the tail light, signal light and back-up lights still work. Please help.
Mike.

I agree with shannongreer but also check on the swith at the back of the brake pedal. It's near the top of the pedal almost under the dash.

You need to check for power and ground. If you dont have a volt meter you can get a good cheap one from radio shack. If there is no power recheck with a known good ground. All the lights on that side share a common ground. Check the sockets for signs of burning or corrosion. There is a plug in the left rear quater panell. If you have no power check the corrisponding wire at that connector. The wires splice togeter just before the connector. So if the other brake/tail light is working you know the problem is after that. Hope this helps. Im sure you'll find the problem.

Had similar problem when i bought my 2000 jeep ch. laredo,I had to bend the metal contacts up on the rear lights where u pull out the bulbs,also cleaned them up with sandpaper,only one bulb was not making contact and so none of my rear lights worked prop.buying new light essembly would also work.

The problem with your tail light is the housing is broken where the socket goes in. If you pull that socket out and look you will see the metal tap will be pushed down and the plastic around that will be broke. Easy fix is to replace the lens but you can get under the metal tap with a small flat tip screw driver and pull up on it very lightly and it should work for awhile.

Hope this helps
Cory