After reading this thread I decided to replace both rear light assemblies, and still have the same problem others have described, no brake lights and only one running light.
Also noticed the light plate light and third brake light are out. Tried cleaning the contacts and had some success, finally got the running lights to work by twisting the bulb socket just right, but still no brake lights.
After replacing all but 1 window regulator, the radiator fan control box under the passenger side head light and the crank sensor and a transmission, the passenger side break light was the most frustrating. I tried bending the connector but that did not last long. I did not try bracing it with the foil paper. It works like a charm. Thanks to all for the helpful information and great tips.
2000 Jeep Grand Cherokee Laredo - same problem. No left brake light when brakes were applied, but had a brake light when no lights were turned on. Mechanic spent one hour (and $35.00 of my money) to tell me it was the circuit board and that the whole light needed to be replaced...$150.00 at the dealer and $48.00 on E-bay. Neither needed - I followed the suggestions here and it worked like a charm. Somehow I did end up blowing the number 23 brake switch fuse (probably due to tin foil touching something it shouldn't) but I replaced that and my brake lights now work fine! THANK YOU!
May 31st, 2009 comment. Try replacing the #23 fuse (brake switch fuse). I blew mine when I was trying to fix a brake light and ALL three brake lights went out. I replaced the fuse, followed the suggestions here and now all my lights work fine!
I must add my thanks as well. This worked like a charm. This 01 Grand Cherokee is the car that my wife and kids use and it's a good feeling to have this brake problem fixed.
Excellent remedy! I didn't use foil, but I went out in the dark armed with a phillips screw driver, a pocket knife, and a chem-light. Ten minutes later the lights were working just fine.
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