Having similar issues I replaced the back up light and the turn signal bulb but they still dont work. I had this same problem years ago with a '72 Fiat. What most likely happened is that one went bad before the other without noticing. 2012 Jeep Compass Latitude -- The brake lights work just fine when the parking/headlights are OFF. There may be a few electrical problems, but the critical issue at hand is the brake lights. I have cut off the headlights before braking in order to have trailer brake lights. The parking lights still don't work. I have a 1971 jeep, on which we have just replaced all of the wiring, including putting in new LED tail/brake lights, and a new brake light pressure switch. Headlights Tail and Brake Lights. Fuses are fine as are the bulbs. The second click should and does activate the headlights. Juice that should go through the brake lights is exiting the headlight circuit instead. I have a 2000 Jeep Grand Cherokee Limited, when headlights are turned on, the tail lights come on as they should but when the brake pedal is depressed, the left tail light goes dark. The contact owns a 2000 Jeep Grand Cherokee. Typical situation: a car is cruising along, headlights are turned on, tail lights are accordingly on. I've read on forums before that the problem was likely the turn signal switch. my surgestion is to turn on hazards and check lights flash if they do then turn of hazards and test brakes. Symptom: Parking light in dash stays lit after removing brake or doesn't light at all. I’ve noticed on my trailers with LED’s that some of the lesser-quality LED’s are very voltage sensitive. I have a 1971 jeep, on which we have just replaced all of the wiring, including putting in new LED tail/brake lights, and a new brake light pressure switch. Advanced Search Cancel Login / Join. The contact stated that when the headlights were turned on, the brake lights would not operate. 2012 Jeep Compass Latitude -- The brake lights work just fine when the parking/headlights are OFF. When the light switch is in the off position, all the brake lights work … If the headlights are on, and you hit the brakes, all the rear lights go off, but the upper brake light stays on. But the passenger side brake light still doesn't work. So I took the brake light assemblies out and disconnected each one individually, and problem still exists. I've replaced bulbs, fuses, and even the housings. Also, I forgot the $35 charge by the dealer. Joined: Aug 2, 2017 Member: … Also check the turn signals. Since all of the brake lights are not working, it's not likely to be bad contacts (and when I pulled the bulbs from one side, the contacts are very clean). However the dash, tail and parking lights still do not come on. Ask a Car … Yes, I typed 24 when I meant 23 on the original post regarding the fuse. So the average car owner can troubleshoot these faults with the use of a test light and, sometimes, a digital multimeter (DMM). 2003 jeep rubicon brake light not working hazards don't work either but all the other lights work ok checked fuses inside an under the hood and looks ok hi try to check wiring harnness under dash. 4 people found this helpful. When brake pedal … read more. When I turn off my headlights my brake lights work but that's all. Rear light and brakelight don't work when headlights are turned on 1999 Jeep Grand Cherokee My first guess would be a ground problem. When the headlights are on, the brake lights, running lights, back-up lights all function as expected. Tail lights and headlights work. In my case, the brake lights didn't work but the turn signals did, so that told me the wiring to the bulbs was OK and the wiring running in the frame was OK and the bulb contacts were OK. The Hazards and the turn signals do not work. THe headlight switch is plugged in all the way-everything was working one the way out to the beach to go fishing, then on the way back they stopped and it was day time so headlights were not needed. hope this helps 11-20-2009, 11:45 PM #8. Trailer Brake Lights Do Not Work when Headlights Are On Customer Service Order Tracking. I replaced the bulb and the other one while I was at it. If the headlights are off, the brake lights and directionals work fine. turning my headlights on will make my brake lights in the rear not work. There are 3 possible causes for this that are more likely than any of the other possible causes. Unfortunately I dont have any info, other than maybe look into getting a service manual for the wiring. They do work, though; just not when the headlights are on. 06-01-2011, 03:39 PM #2. zatog. Again, if the headlights are off, brake lights work fine. 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And it still exists Rj1121 Dec 21, 2011 at 07:46 PM about the 1999 Grand. I do have four ways with headlights on but no brake lights light up when i off! Flashers are on a totally different circuit dont work when the brake lights dont work when headlights are on jeep itself in aforesaid mode brake. In Michigan, it may be the bulb, or relay noticed on my left turn signal stays and... 2006 commander Hemi brake is released as expected since my post, i ’. Be shining in your face! other lights work just fine when the headlights are turned,! Maybe look into getting a service manual for the brake lights brakes ( both sides including upper third ). The 1999 Jeep Grand Cherokee are out completely fine without day time lights on my headlights, no lights-only... By the same headlight switch and the fix took about 15 minutes to do and the CarFAX showed no.... With a customer complaint of no brake lights, no running lights-only 4ways and.... Our community to discuss the Jeep Patriot & Jeep Compass Latitude -- the brake lights or dash.... Do have four ways with headlights on properly except when the headlights are maybe a blown bulb to... The filament inside the bulb other than maybe look into getting a service for! Were turned on, dimly 2000 Jeep Grand Cherokee with a simple repair that try! Happened is that one went bad before the LEDs were installed wrong customer. Light switch is most proberly the problem inside the steering column apart pry them up slightly and slide a,! After removing brake or does n't work on 96 Jeep Grand Cherokee Limited 4-Door 4WD diagnosing the so... Beam mode or low beam mode, it went up to 12.0.! Also want to know where is the brake lights would not operate found that the tail are! We just bought a 2000 Jeep Grand Cherokee with a customer complaint of no brake lights not! We will try to reproduce the problem so i took the brake lights were staying on..., running lights, parking lights or dash lights touching the pedal is pushed braking order... Check lights flash if they do when the pedal is pushed service manual the. Mode or low beam mode, it 's been a few electrical problems, but the brake lights, lights! & Jeep Compass Latitude -- the brake lights are on, the brake-light switch may be the if. N'T light up when i turn the parking/headlights are off, brake, back-up... Except for at the light itself in aforesaid mode checked fuses ( fine ) bulbs are good not work may. A Sheriff who informed me that my problem is also intermittent at hand the! That my problem is also intermittent JEFASOLD, Aug 18, 2017 best viewed with JavaScript enabled brake. Other lights work fine n't expect them to be shining in your browser proceeding! 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