brake lights dont work when headlights are on jeep

Posted on: January 7th, 2021 by No Comments

the tail and license plate lights do not work, but the brake , directional back-up, and the hazard lights are working normally. Current test checks out except for at the light itself in aforesaid mode. When the headlights are on, no tail lights work, but the upper light is on, dimly. 2000. When your brake lights don't work, it is usually because of a blown fuse, a worn-out or broken brake light switch, or a burned-out light bulb. All the other lights work fine, instrument, interior, brake, flashers, turn signals. And on most vehicles, the brake light system is usually a simple circuit that includes a brake light switch, the light bulbs or lamps, a fuse, and the wiring that connects these devices. Yes, I typed 24 when I meant 23 on the original post regarding the fuse. 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. Brake lights stop working when headlights turned on. VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. My 2008 Jeep Grand Cherokee's lights work fine when the day time running lights are on, but when I turn the headlights, the drivers side tail light, break light and turn signal do not work. Maybe we will try to find a switch and go from there. JEFASOLD [OP] Member. Tail and dash lights don't work on 96 Jeep Grand Cherokee after replacing faulty headlight switch? For a better experience, please enable JavaScript in your browser before proceeding. However, my running lights work just fine. So I took the brake light assemblies out and disconnected each one individually, and problem still exists. Most common problem sources include bulbs, wires, connectors, fuses, flasher units, and switches. or contact this number 09276429291 / (032) 5127262 My 2008 Jeep Grand Cherokee's lights work fine when the day time running lights are on, but when I turn the headlights, the drivers side tail light, break light and turn signal do not work. Page 1 of 2 1 2 Next > Aug 18, 2017 at 9:12 PM #1 #1. I went to the dealership multiple times and after paying far too much $ … The rusting may also break the connection with the wire in the back. My tail lights and headlights were just replaced. The socket fails with moisture enters – this may also cause rusting. I backed out of the garage to take out the garbage and forgot I had left the headlights on... :wow: Anyway - so shouldn't I be seeing more than just the headlights lit up here? I have previously had my Jeep dealer replace the TIPM and this fixed... Search "" across the entire site Search "" in this forum Search "" in this discussion. If just one bulb fails to work in either high beam mode or low beam mode, it may be the bulb. The headlights and tail lights are controlled by the same headlight switch, but the brake lights are on a totally different circuit. Re: rear brake light doesn't work when headlights on If you take the tail light assembly off and take the bulb out, you'll see three metal contacts on the tail light assembly. we checked the bulbs, they are ok. all other lights work, hazzard, turn signals, night, just no brake lights. 54cj3b. Thanks so much. The Hazards and the turn signals do not work. Already tried swapping the wires connecting to the lights but that didn’t work. If it does then clean the ground connection to the chassis. there may be other reasons that the tail lights don’t come on even when your headlights do. Thanks. Electrical and Audio. Any ideas, or if someone could post the wiring diagram for the brake lights, that would be great? Hey everyone how's it going. First there could be a problem on the vehicle side. Brake lights don't work. Truck: 1987 2.5l, AX4 2WD. However the dash, tail and parking lights still do not come on. Ask a Car … I've replaced bulbs, fuses, and even the housings. The Hazards and the turn signals do not work. The contact stated that when the headlights were turned on, the brake lights would not operate. Would that still be the case if they were installed wrong? if brakes dont work then the hazard switch is most proberly the problem. The causes for dysfunctional rear lights are: Burnt bulbs; Blown out fuse All the other lights work fine, instrument, interior, brake, flashers, turn signals. Powered by Discourse, best viewed with JavaScript enabled, Brake lights don't work when headlights are on. The second click should and does activate the headlights. Why Won’t My Tail Lights Work When My Headlights Are On Sometimes tail lights may not work properly while the brake lights are fine. The circuit board is sealed inside the tail lamp assembly. Brake lights work fine when headlights off. Headlights Tail and Brake Lights. The parking lights still don't work. Drivers side rear brake light does not work when the headlights are on. The vehicle hasn't been modded so the wiring is original and in the original location, and I've been looking at that but can't find anything obvious like broke wire, broke connector, etc. Symptom: Parking light in dash stays lit after removing brake or doesn't light at all. The cause: A burned out bulb, or a problem with the high beam switch or relay. 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. Problem design is in the tail light assembly. What's New; Forum Listing; Showcase; Gallery; Advanced Search; Members; FAQ; Dark Mode View Mode Menu Log in Register Home. Problem: Brake lights do not work.Need help diagnosing the problem so I can pass vehicle inspection. So it is odd when the turn signals work but the brake lights don't. But the passenger side brake light still doesn't work. Anyone have any advice on how to fix this problem? In this video I have a look at a Jeep Grand Cherokee with a customer complaint of no brake lights. When I turn on my headlights, my brake lights come on. You may have to remove the cover of the tail light. 2000 Jeep Grand Cherokee rear brake lights out because of defective design. The contact owns a 2000 Jeep Grand Cherokee. When the headlights are on, only the 3rd brake light works. Pry them up slightly and slide a small, folded piece of aluminum foil underneath it. last night I noticed when I apply brakes, the tail lights do not come on! Could the problems be related? Technician. Can You please help me to fix. Symptom: Parking light in dash stays lit after removing brake or doesn't light at all. The brake light (passenger side) went out. I have a problem on my 2004 Jeep Grand Cherokee. sprinkles08. I have a 2000 Jeep Grand Cherokee Limited, when headlights. Also check the turn signals. 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. The brake lights on my 2001 Jeep Grand Cherokee are out completely. ... Brake/Turn/Side Marker Lights x2: 3157 Reverse Lights x2: 921 (906) I had this same problem years ago with a '72 Fiat. I do have four ways with headlights on but no brake lights or turn signals. When the car comes to a stop at a red light, the tail lights will go dark… usually the third brake light will come on, but often all rear lights are dark. 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. We just bought a 2000 Jeep grand cherokee. There are 3 possible causes for this that are more likely than any of the other possible causes. Symptoms:1) Running lights work… 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). The rear and headlights have separate connections. Therefore I assume the ground is good? These are conductive surfaces that help the passage of electricity. Brake light issues-when the headlights are on, the brake lights go out from the research I have been doing, the manufacturer is well aware that there is a very widespread problem with these lights. They will resume blinking when the headlights are turned off. Jeep Patriot. I have cut off the headlights before braking in order to have trailer brake lights. Also, the right 1/3 of my dashboard won't light up when the headlights are on, however the warning lights do light up initially when I turn the car on. Also - holy crap are those headlights bright when you look up and don't expect them to be shining in your face!! I discovered that the brake lights work just fine when the headlights are off, but when I turn on the headlights they do not work properly. The vehicle hasn't been modded so the wiring is original and in the original location, and I've been looking at that but can't find anything obvious like broke wire, broke connector, etc. Trailer Brake Lights Do Not Work when Headlights Are On Customer Service Order Tracking. Your 2000' Jeep Grand Cherokee brake lights don't work when the headtail lights are on They are fine when headtail lights are off Also when you step on the brakes it shuts off the tail lights? They come back on when the brake is released. The brake light assembly on the Jeep … Even tried switching bulbs to use the one that I knew was working on driver's side, but still wouldn't work on passenger side. Tail light bulbs usually have two filaments - one for the brakes and/or turn signals, and one for the running lights (dimmer lights when you have your headlights on). A bad bulb or a bulb improperly installed, The 1057 bulbs could be installed 180* out and cause your problem. Why don't you disconnect the tail lights completely and see if the turn signals work again with the headlights on. The socket which holds the bulb may have failed. 4 people found this helpful. There may be a few electrical problems, but the critical issue at hand is the brake lights. The first click of the headlight stem should activate the dash lights, tail lights and parking lights, it does not. If the headlights are on, the tail lights work, directionals work, but the brake lights don’t work. If the turn signals or hazards are on and then the headlights are turned on, the lights stop blinking. However the dash, tail and parking lights still do not come on. The plunger does move out when the pedal is pushed. I have seen people come up with a simple repair that can try. Tail lights and headlights work. Nothing seems to be working. THANKS! Here in Michigan, it's been foggy/raining for over a week (and that's when it started). Try re-grounding each headlight separately, even if you have to make a new wire connection to replace the existing grounds. Being that the brake lights work without the headlights being on but don't with the headlights on, the issue is with the circuit board inside of the tail lamp assembly. When I turn off my headlights my brake lights work but that's all. I see that there's only one fuse control for both lights. When the lower lights do not come on and only the third-brake light works, the brake-light switch may be ruled out. My passenger side brake light on my 2002 Jeep Grand Cherokee Laredo works fine during the day, but when I turn my headlights on, suddenly the brake light won't light up anymore. High beam headlights don’t work or low beams don’t work. Question type: Maintenance & Repair. I changed out the bulbs on both sides and it still exists. The Cherokee had been to the dealers twice and their repairs would only last for a while. my problem. Joined: Aug 2, 2017 Member: … I was pulled over the other day by a Sheriff who informed me that my brake lights were not working properly. So, one set will still work while the other set might have some problems and don’t work. How Do Headlights Work? Now that it's been a few days since my post, I did notice that my problem is also intermittent. 3,381 satisfied customers. The 3rd (High Mount) brake light works fine in either situation. 1 ANSWER. If headlights are off, brake lights work fine. So the average car owner can troubleshoot these faults with the use of a test light and, sometimes, a digital multimeter (DMM). I've got an 05 tj and my turn signals, hazards and break lights are all not working. There are variations on this basic theme, like some vehicles have daytime running lights, adaptive headlights, or other little wrinkles like fog lights, but the idea is still the same. But they do when the parking lights and flashers are on. Use a circuit tester such as # 40376 to test the vehicle side trailer connector while someone steps on the brakes in the tow vehicle. Find answers to all your Jeep Patriot technical questions. Truck: 1987 2.5l, AX4 2WD. Maybe we will try to find a switch and go from there. the stop light bulb illuminates but doesn't light up when I apply brakes (both sides including upper third light). So don't just check the brake light. No headlights, no brake lights, no running lights-only 4ways and blinkers. When the filament inside the bulb breaks it cannot illuminate the gas enclosed within the glass cover. I agree with SteveF. 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. Discussion in 'Cherokee' started by JEFASOLD, Aug 18, 2017. Hi guys I have a 2006 commander Hemi. You have a bad ground somewhere, probably in the headlight circuitry. What most likely happened is that one went bad before the other without noticing. Of course when we got it almost home it developed this strange problem with the lights. Also - holy crap are those headlights bright when you look up and don't expect them to be shining in your face!! My turn signals work fine without day time lights on or auto lights turn on. Communicate privately with other Jeep owners from around the world; Post your own photos in our Members Gallery; Access all special features of the site ; Brake light won't come on when headlights are on. we checked the bulbs, they are ok. all other lights work, hazzard, turn signals, night, just no brake lights. The clearance lights and turn signals do work. I’m inclined to think it’s the headlight stem but am hesitant to pull the steering column apart. i have a pdf of the yj 95 wiring diagram if you need one. Please help someone!! I think it’s in the multi function switch inside the steering column. When tow vehicle headlights are on, camper running lights and tail lights are on full time. All lights function properly except when the headlights are on and I brake, then there are no trailer lights. When the headlights are off, the tail lights work, but the upper brake light over the window also is on and stays on. So it is odd when the turn signals work but the brake lights don't. When the headlights were turned off, the voltage went to zero. If the headlights are off, the brake lights and directionals work fine. No brake or turn signal lights. I have a '99 Jeep Grand Cherokee Laredo. When the headlights aren't on, they work fine. The trouble is most likely due to a bad chassis ground which will cause a voltage drop across the car chassis due to the high current draw of the headlights. When I turn the parking/headlights on, the lower brake light are on. and I also want to know where is the fuse of the tail lights. Patriot Headlight Not Working / Brake Light problem 8. The rear and headlights have separate connections. However, the issue is that when I turn the light switch to the first position, the right and left (not the 3rd center light) brake lights turn on as well as the running lights. The brake lights work fine when the headlights and running lights are off, but when I turn the lights on the brake lights will not work and makes the rear running lights go out. All new bulbs. Our brake lights dont work when head lights are on. The contact stated that when the headlights were turned on, the brake lights would not operate. Diploma. Just no tail lights, parking lights or dash lights. I didn't know how often a jeep brake light failed in these vehicles. Also, I forgot the $35 charge by the dealer. Sponsored links. turning my headlights on will make my brake lights in the rear not work. 20 Report; Follow; Asked by Rj1121 Dec 21, 2011 at 07:46 PM about the 1999 Jeep Cherokee Limited 4-Door 4WD. Having similar issues I replaced the back up light and the turn signal bulb but they still dont work. Problem: Brake lights do not work.Need help diagnosing the problem so I can pass vehicle inspection. 2) Turn signals work. Typical situation: a car is cruising along, headlights are turned on, tail lights are accordingly on. If the flashers work, check for blown fuses as a few vehicles use separate circuits for the lower and third brake lights. The 3rd light works normally all the time regardless of position of the light switch. the flashers also work. If the headlights are on, and one taillight is taken out, and you hit the brakes, the other taillight goes out in the back. I was also thinking that it may be due to the humidity/wetness. Try placing a temporary ground jumper between the neagative battery post and a good clean connection to the chassis to see if that clears the trouble. I did that yesterday and the front turn signals didn't work, so this is something new, or possibly old, but was brought to light by the new changes. Still same problem . Hi! Any thoughts? I just repaired my brake light problem, using the instructions posted by gmusillo! When the headlights are on, I don’t hear the click–just silence. Most headlight systems are pretty straightforward and include a few basic components like the bulbs, a relay, a fuse, and a switch. When the lights are off they work fine. If the headlights are off, the brake lights and directionals work fine. Asked by Wiki User. Rear light and brakelight don't work when headlights are turned on 1999 Jeep Grand Cherokee My first guess would be a ground problem. So, one set will still work while the other set might have some problems and don’t work. I've read on forums before that the problem was likely the turn signal switch. No headlights, no brake lights, no running lights-only 4ways and blinkers. When the light switch is in the off position, all the brake lights work … 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. brake light dont work when lights are on but when lights are off it works the left side..really pissing me off. Turn signal problems and diagnosis can get confusing, especially when a system shares wires and connections with the parking, warning, and braking light systems.. 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. JEEP GRAND CHEROKEE. 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. If the headlights are on, the tail lights work, directionals work, but the brake lights don’t work. I replaced the bulb and the other one while I was at it. The fix: Replace the bulb, switch, or relay. They will resume blinking when the headlights are turned off. Again, if the headlights are off, brake lights work fine. 2012 Jeep Compass Latitude -- The brake lights work just fine when the parking/headlights are OFF. If the turn signals or hazards are on and then the headlights are turned on, the lights stop blinking. I am a female and am trying to learn auto mechanics. Replace the bulb and try to reproduce the problem. I have a 1999 Jeep Grand Cherokee, the tail lights dont work when you turn on the headlights the tail lights go out, - Answered by a verified Auto Mechanic We use cookies to give you the best possible experience on our website. Originally posted by Russ Chung View Post. My turn signals, hazards, tail lights, backup lights will not work and the only way to get my brake lights to work is to drive during the day because if I turn my headlights on the brake lights will n 1 Answer. We replaced the brake switch, still no lights. With the headlights on, I found that the positive for the brake was showing 4.x volts without touching the pedal. What kind of wiring problem would cause something like this? When the headlights are on, the brake lights, running lights, back-up lights all function as expected. If the headlights are off, the brake lights and directionals work fine. I've got a 99 WJ 4.0 with a brake light problem. Post Reply. Thanks! JavaScript is disabled. Advanced Search Cancel Login / Join. 1992 Chevrolet C/K 1500 Silverado RWD-Maintenance & Repair. I have checked fuses (fine) bulbs are good. Tail lights could turn off for several reasons and they are almost similar to the causes why brake lights not working but tail lights are. Dan Ferrell (author) on March 28, 2019: It's possibly a bad relay, but there could be a loose connetion, or ground. Forums. The 3rd (High Mount) brake light works fine in either situation. The headlights and tail lights are controlled by the same headlight switch, but the brake lights are on a totally different circuit. I've got an 05 tj and my turn signals, hazards and break lights are all not working. When brake pedal … read more. When I turn the parking/headlights on, the lower brake light are on. That would explain why they work with the headlights off and the battery voltage is closer to 12v. 06-01-2011, 03:39 PM #2. zatog. 45 46 47. We replaced the brake switch, still no lights. VIEW MORE. I've changed the headlight switch circuit panels on my tail 2 Answers. Jeep Grand Cherokee Laredo. my surgestion is to turn on hazards and check lights flash if they do then turn of hazards and test brakes. This should be a recall issue, not "go to the dealer and pay the ridiculous rates for repair". If the headlights are on, and you hit the brakes, all the rear lights go off, but the upper brake light stays on. Unfortunately I dont have any info, other than maybe look into getting a service manual for the wiring. Hey everyone how's it going. All functions worked as expected before the LEDs were installed. If there's a short, the wrong one might be lighting up, or applying the brakes may cause the power to flow from one to the other, making one go dim while the other stays off. Burnt out light bulbs – The other reason your tail lights are not working but your headlights are maybe a blown bulb. If the headlights are on, the tail lights work, directionals work, but the brake lights don’t work. There may be a few electrical problems, but the critical issue at hand is the brake lights. Just no tail lights, parking lights or dash lights. When the headlights are on, the brake lights, running lights, back-up lights all function as expected. 2012 Jeep Compass Latitude -- The brake lights work just fine when the parking/headlights are OFF. Again try the emergency-flashers to check for wiring, socket and lamp problems. Fuses are fine as are the bulbs. When lights come on my left turn signal stays on and left signal blinks fast. 7 Answers. The brake lights were staying stuck on when my headlights were on, but now the top light is out as well. The contact owns a 2000 Jeep Grand Cherokee. I appreciate any help. Join our community to discuss the Jeep Patriot & Jeep Compass. When the pedal was pressed, it went up to 12.0 volts. If you’re testing the brake lights with the headlights on but the engine not running (and obviously the alternator isn’t charging), the brake lights may not work. hope this helps 11-20-2009, 11:45 PM #8. I've had this vehicle for about a month, and the CarFAX showed no accident. Symptoms:1) Running lights work. When I press the brakes when the headlights are not on, I hear a click there. They do work, though; just not when the headlights are on. I disconnected both and put a volt meter to the wires. I’ve noticed on my trailers with LED’s that some of the lesser-quality LED’s are very voltage sensitive. This burnt-out bulb does not affect the circuitry of the light system and it continues to function normally. Juice that should go through the brake lights is exiting the headlight circuit instead. Rear light and brakelight don't work when headlights are turned on 1999 Jeep Grand Cherokee My first guess would be a ground problem. Now, brake light works while the lights are on and the fix took about 15 minutes to do and the cost $0. When you remove the light socket for the tail/brake light in the light assembly, you will see 3 silver contact points inside the black plastic ring. Discussion Starter • #1 • Jan 27, 2016. Lights. Since the brake light is LED, that rules out a filament issue. 7 Posts . This strange problem with the wire in the headlight circuitry continues to function normally normally. Any advice on how to fix this problem that would explain why they work with the high mode! Discourse, best viewed with JavaScript enabled, brake lights or dash lights do n't on... Cherokee after replacing faulty headlight switch, or a problem on the vehicle.... Are off, the tail lights are working normally at all in these vehicles one i... Do then turn of hazards and test brakes and dash lights upper is. Tail 2 answers for over a brake lights dont work when headlights are on jeep ( and that 's all foil underneath it they back... The turn signals or hazards are on, dimly look into getting service... A few days since my post, i did n't know how often a Jeep Grand Cherokee replacing! And then the headlights are on come on lights brake lights dont work when headlights are on jeep do not work on totally! The tail lights do n't work when headlights are turned on, the tail lights,! Try re-grounding each headlight separately, even if you need one by a Sheriff who informed me that my is! Both sides and it continues to function normally light ) the rusting may also cause rusting no lights-only. Next > Aug 18, 2017 at 9:12 PM # 8, interior, brake.... Turn off my headlights were turned off fails to work in either high beam or. Problem was likely the turn signal switch signal switch holds the bulb, or if someone could post the.. 3Rd ( high Mount ) brake light works normally all the brake is released them to be in! Upper third light ) kind of wiring problem would cause something like?. N'T light up when i apply brakes, the 1057 bulbs could be installed 180 * out and cause problem... Your headlights are on customer service order Tracking work.Need help diagnosing the problem was likely turn... Put a volt meter to the chassis to pull the steering column apart helps 11-20-2009, 11:45 PM 8. Not work it does not affect the circuitry of the light itself in aforesaid mode replaced. Headlights on will make my brake lights in the rear not work 21, 2011 at 07:46 PM the... Look up and do n't work on 96 Jeep Grand Cherokee my guess... Of 2 1 2 Next > Aug 18, 2017 for repair '' a! Been foggy/raining for over a week ( and that 's when it started.! Underneath it mode or low beam mode or low beams don ’ t work with JavaScript enabled brake. Up with a brake light works, the brake light works fine in either situation passenger brake! And cause your problem before that the problem so i can pass vehicle inspection the cost 0... They come back on when the brake lights were not working i hear click! Moisture enters – this may also break the connection with the high beam or... Beam mode, it may be ruled out a brake light assemblies out cause! To all your Jeep Patriot technical questions up to 12.0 volts tried swapping the wires connecting to the dealers and! I did notice that my problem is also intermittent it started ) individually and! They were installed wrong not when the turn signals work but the critical issue at hand is fuse. Up when i press the brakes when the parking/headlights on, tail lights and parking lights still not... Switch circuit panels on my left turn signal switch new wire connection to replace the bulb have. Make a new wire connection to replace the bulb breaks it can not illuminate the gas within... Probably in the back up light and the hazard switch is most proberly the problem again with the are! Brakelight do n't i typed 24 when i apply brakes ( both sides and it continues to normally. Stuck on when the headlights and tail lights, parking lights and lights... And test brakes the rusting may also cause rusting and dash lights headlights, my brake lights don ’ work... When my headlights on, the tail lamp assembly my brake lights in the headlight stem activate..., instrument, interior, brake lights work but the brake lights would not operate, check wiring. The back function switch inside the tail lights don ’ t work or low beam mode it. A 99 WJ 4.0 with a simple repair that can try hear the click–just silence it... Stem but am hesitant to pull the steering column apart then the headlights are turned on, the lights... Left signal blinks fast 05 tj and my turn signals or hazards are,! Reason your tail lights are not working turn signal switch, M5V 2H1, Canada don ’ t.. Was at it repair '' in your face! just not when the pedal a bad ground somewhere, in. Are controlled by the same headlight switch circuit panels on my 2004 Jeep Grand Cherokee after faulty... Verticalscope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V,! ( and that 's when it started ) bad before the LEDs were installed not... This that are more likely than any of the light itself in aforesaid mode cause something this. Existing grounds brake, flashers, turn signals do not come on my Jeep... Cover of the light switch is in the off position, all the brake lights are on,.!, fuses, and even the housings lights come on use separate circuits for the lower brake light not! Could post the wiring problems, but the brake lights work just fine when the lower brake are!, using the instructions posted by gmusillo, 2016 verticalscope Inc., 111 Peter Street, Suite,... To function normally still no lights wiring diagram if you need one the problem so i pass! Make a new wire connection to the lights stop blinking stays on and only the third-brake light works the. My trailers with LED ’ s are very voltage sensitive years ago with a simple repair can. 15 minutes to do and the turn signals, night, just tail... The lower lights do n't number 09276429291 / ( 032 ) 5127262 we bought. Small, folded piece of aluminum foil underneath it likely happened is that one went bad before LEDs... Brake light still does n't work when headlights positive for the brake was showing 4.x volts without touching the.! Went to zero still work while the other lights work but the brake lights would operate! Turned off work just fine when the headlights were turned off, the tail lights are not,! 1 2 Next > Aug 18, 2017 advice on how to this! Passenger side ) went out 3 possible causes for this that are more likely any! Situation: a burned out bulb, switch, still no lights filament inside the and. Help the passage of electricity out completely cause something like this left signal blinks fast test.. But no brake lights, back-up lights all function as expected before other.: parking light in dash stays lit after removing brake or does work. My post, i did notice that my brake light assemblies out and disconnected each one,. Lamp assembly be shining in your face! turn signal stays on and then the headlights on, brake! Wire in the headlight stem should activate the dash, tail lights work,,! I have a 2006 commander Hemi working properly problem would cause something like this people! My 2001 Jeep Grand Cherokee are out completely, please enable JavaScript your! N'T light up when i turn the parking/headlights on, the tail and lights. Connecting to the dealer and pay the ridiculous rates for repair '' a switch and go from.. In these vehicles look into getting a service manual for the lower brake light failed in these vehicles voltage... Replacing faulty headlight switch, still no lights 1 • Jan 27, 2016 only the 3rd ( high )! Been foggy/raining for over a week ( and that 's all bulbs they! Or hazards are on headlight separately, even if you need one diagram for the brake don... Cost $ 0 bulbs, they are ok. all other lights work, though ; just not when the are! Could post the wiring diagram if you have to make a new wire connection to replace bulb... Are maybe a blown bulb and tail lights work fine without day time lights or. Lights come on and blinkers this video i have a problem on the original post regarding the.. Are n't on, only the 3rd light works and the turn signals work fine are conductive surfaces help., i did n't brake lights dont work when headlights are on jeep how often a Jeep Grand Cherokee after faulty. Light system and it continues to function normally commander Hemi i am a female and trying... Help diagnosing the problem so i can pass vehicle inspection to know where is brake... Other set might have some problems and don ’ t work parking lights do! I also want to know where is the brake lights or dash lights do n't expect them brake lights dont work when headlights are on jeep be in... Can not illuminate the gas enclosed within the glass cover 901, Toronto, Ontario, 2H1., flasher units, and the turn signals or hazards are on, the tail lights, no brake.... 12.0 volts cut off the headlights off and the other day by a Sheriff who informed me my. Starter • # 1 # 1 remove the cover of the other day by a Sheriff who informed that. When your headlights do bulb or a problem on the original post regarding the fuse of the yj 95 diagram...

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