catherineskeen12308. So I guess it could be whatever ground for the running lights could be shorting something out? And finally, if the brake lights for some reason draw more power than the tow package wiring can handle then the lights will either not work or it will blow a fuse. Turn signal and runninglights and emergency flashers all work. However, in some cases, they can blow because they are old. This symbol indicates a fault in the brake lights. brianbonner90. Two years ago we had a huge problem with the wiring harness, it would loosen it's connection from our dirt road and the truck would just shut off. Could it be a bad relay bay? Bulbs are all fine. After changing pedal switch and tracing all wires making sure of no bad wires or loose grounds still no break lights,accidentally found out the problem was “MY BULBS WERE NOT MAKING SOLID CONNECTION INSIDE THE SOCKET” cleaned all the bulb receiving sockets with a light solvent and used a straight pin to slightly pry my bulb leads out just a very little. mike palazza Are alll the lihhts on? If your third brake light works either way but the rear brake lights stop working when the truck is on its a faulty ground wire to the stop lamp relay. The rest of the brake lights all work properly. Last night when I got to my destination, I cut off my truck and lights and both tractor and trailer stop lamps stayed on. All electronic equipment in a car is supplied electricity through wires that go through a fuse box. Obviously we checked all the involved fuses and the issue is not … Had no brake lights so I replaced the brake switch now they won't go off, 11/28/2019 by Seems like you have some broken wires along the frame wing should go up driverside frame rail. So don't just check the brake light. The C/K line includes pickup trucks, medium-duty, and heavy trucks. Why are my Volvo brake lights not working? Find the fusebox and look for "brake". If I push on the back side of the switch an activate it manually with my hand the brake lights work. But the passenger side brake light still doesn't work. Plz help 3 days on this issue an countless articles an videos nothing????? Chopperhaulers. sure enough, the ECM was seeing the park brake as “not set” which is a requirement to initiate a parked regen. Unscrew, the lens un-hooks on the other side. Then go to the other taillight do samething. After many days probably a full week of taking it apart put it back together I figured out the problem was the hole at the end of the shaft that slides onto the brake pedal with the switch is therefore I drilled the hole of slightly larger and that fix my problem I went to the auto parts store and look up the parts numbers and they are definitely different numbers, Hello I have a 99burbk1500 and I have no brake lights and have turn flash and put new brake switch and check all fuses and that's good just no freaking brake lights and it's irritating as heck and can some one Pease help me, 01/08/2018 by Fixed it it was the wires under the sterring wheel, I turn on the light and the brake is not on and I turn off the light off and the brake is on .I can not find out why, 01/12/2017 by White wire off the brake switch and also with the cluster of wires front front to back is the brake wire that turns on the brake lights i just figured it out on my 92 chevy k1500 because i have the same issue and i need a inspection sticker. Took it loose - did a fair job cleaning the frame surface rust and reconnected it. In most cases, there is a reason why a fuse is blown. There is often one below the dashboard, and there is one under the hood. Why is that? terry woods. You should also check if there is any connector plug in the car between the brake light switch and the tail light. Swapp out the relay and check the brake lights. Yes, you could brush it and clean it to be reused, but do you really want to do that at the risk of your brake lights not working (which BTW is illegal to drive with in North America). There is a high chance that due to an electrical surge, the brake light fuse has blown off. Before clipping any wires, keep in mind that most older model year trucks have the same bulb filament used for both the brake function and the turn indicator function. Unhook connector latch and carefully pull out. But sometimes there are occasions where one of them works and the other doesn’t. It could also be a relay, the box is located in the engine bay and the relay will be marked, but its unlikely to be the problem. So you could have a blown relay i would start there. The problem is that you cannot often tell if your taillights and brake lights are faulty. THEN thought back on what I might have caused when I took the bed off to replace a brake line in Sept. -- traced all movements I might have made that might've CAUSED the taillight issues. If they are drawing too much power then switching to LED lights will solve that problem because they draw a fraction of the power compared to incandescent lights. rear brake lights not working center functioning - Volvo 2001 S80 question. Jim, common problem. So, off to the store to get a flasher. There could also be corrosion in the pins in the connectors of the taillights. Your vehicle’s taillights are working fine, but the brake lights don’t come on when you press the brakes. This circuit is connected with the brake pedal – if the switch is out of place or connected incorrectly then the pedal may not be able to complete the circuit correctly. Also my cruise control doesn't work anymore and I believe it has to be connected to the brake light issue. Other things use that ground when the key is on so its not strong enough then to activate the armature within the relay. I have a problem with my break lights/blinkers. The most common reason rear lights of any kind will fail is rotted wires. Jessica What happened? If that does not work swapp out the shunt. After about 10-15 min, they shut off. I have a 2000 volvo 660. If you pull the brake light out an it is burnt that is why. 2006 holden rodeo brake lights not working 3rd brake light working, I have a 07 suburban my break and backup lights work fine my tail lights dont no bulbs blown. brianbonner90. Turn your flashers on to check the bulbs .Checks good go to your brake light switch mounted on upper part of the brake pedal with a simple test light you should have hot (test light on) when the brake pedal is depressed if not and the ong wire is hot (15 amp fuse in the fuse panel under dash) says STOP by it you need to replace the brake light switch. What is really the problem? @deanjf64. Thank You! 08/08/2015 by If the fuse is blown, you should make sure that there is no circuit short on the wirings or in the connector to the brake light. Nothing made sense. So if things get just too wierd - ck your grounds! I guess I'm luckier than most…got more than one Chevy…..I have a c3500 with brake light issues…I tried the lights on another vehicle and they are fine…new brake switch…fuses are fine….gotta be a ground wire…changing the brake switch is a pain when I had to drop the steering wheel…figure I might as well change the lights on the cab…was shocked when I found no bulbs in it to start. and got to good clean un-rotten wire -- took a FILE to the frame rail rust 'till I found bare metal re-attached the ground VERY WELL ------------no more taillight problems. Once i combed back the cables the brake light started to work. update: my trucks turn signals and brakelights were working when the headlights were off. 96 c1500 brake lights not working 2 Answers. All the lights are good. I had the same problem on my 91 K1500. 04/28/2015 by Do the lights dim sleightly when you press the brakes? majidshaban279, I am having the same problem. You may need new circuit boards. Use 1/4 nutdriver to remove 2 screws in rubbery thing. If all that doesnt fix it then you must have broken wires or bad grounds. 2001 Volvo V70 T5 left Brake light not working, Center and right Brake Lights Work. Problem solved!! Push the bulbs and turn them counterclockwise to remove from the socket. Problem solved. Some bulb-faults can blow a fuse. Tail and Brake Lights Not Working on a 2006 Volvo C70 or S80. I have an 07 Jeep patriot doing the same thing. This video will help you repair your LED equipped brake light for a Volvo V50. But when I put the fuse back in I have no turn signals and my brake lights don't work. Its the taillight circuit board or a broken wire. The “STOP” fuse was blowing - sometimes after the brake was activated, and sometimes as soon as plugging in a new fuse. Are the bulbs good or blown. So I assume I need to check the brake light switch, the fuse, and for a truck, any wiring done for the trailer hitch to make sure it is OK. But, now my brake lights have completely failed. Both brake lights works except for the 3rd light. It was a fleet vehicle. but now not working. All the fuses and bulbs are OK. Its wierd when I reach 35 mph my brake warning light comes on but my brakes work as they should. r2'd the harness and now I have brake lights!!! 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. And see what happens. I'm a carpenter and not a mechanic and some how figures it out on my own. Check this for corrosion and clean it with electronic spray. 5 Reasons Why Your Radiator Fan Is Not Coming On, 10 Reasons Why Your Car Jerks When Accelerating, Oil Smells Like Gas - 6 Reasons Why Gas is getting…, Why You Should Replace Your Cabin Air Filter In Time. Replaced fuse and switch and circuit boards and not luck. If your third brake light works either way but the rear brake lights stop working when the truck is on its a faulty ground wire to the stop lamp relay. It was white wire was disconnected and the brake switch was not adjusted right, I have brake lights and turn signals when I pulled my "tail light/ courtesy marker light" fuse. You can test the brake light switch with a multimeter to make sure you get a connection when the brake switch is released and no connection when you press. Do the brake lights light up dimly? In some cases, there is a plug located on the car’s floor, which has been full of water, which caused corrosion. However, If we turn off the lights the rear brake lamps won't light up when brake pedal is applied. Check the fuse before. Especially if your brake lights are not working, but the third brake light is, it is a big chance that it is just two blown bulbs. I'm going to start by replacing the white wire front to back. The driver side tail & brake light.. also the third light is not working. 04/21/2016 by If you do not get voltage on any of the wires to the brake light switch, there is a power supply problem; either a broken fuse or wire. As you may have guessed, I am not a mechanic but I'd like to try to fix this myself. If the car is equipped with push-button start, hold the start button until the instrument cluster lights come on but do not press any pedals. After a lot of trial and error and research I pulled a used switch from pick n pull and swapped it out. 1993 K3500, same problem...no brake lights but had all other lights. Put the flasher back in and the hazards came on immediately but stayed on. Check your wiring diagram to locate any connector plugs in the car. All light bulbs are "working" when the lights are turned ON. I replaced the bulb and the other one while I was at it. I never knew the light to not be working, but it is absolutely possible that is hasn't worked the past three years. Glad we didn’t tear all the wiring out of the truck like we talked about doing. Identify the correct fuse and replace it with a similar one. Mechanicbase is a blog created for all car and automotive lovers. You may also have circuit boards on back of taillights and if so the circuit boards could be bad. Hello, I’m Magnus, the owner and the writer of this website. I couldn’t get my brake lights to work even though my tail lights and Signal lights. Wish me luck. I pushed the brake … I have been fighting a taillight issue for 2 days. Try replacing those, and if that doesnt work look for broken wires under dash, and check all the fuses, replace blinker switch, and hazard switch. @jessicasam. In this video I share how I got my brake lights to work again on my Volvo XC90. Brake light switch, located on upper brake pedal should be checked, that is most likely your brake light issue, but U say tail lights aren't working, but running lights do, tail lights and running lights I would consider to be the same, so can u clarify that for me? I have checked the fuse,changed the signal and brake switch. So the frame was working as a power source....but only when the headlight/ running light circuit was on. Also check the turn signals. I'v got everything working now from replacing bulbs except reverse lights are still out. If you look on here i asked same question and i posted up what the reason for my issue ended up being. I think it shorted the circuitry inside. just need to remove a clip and lift up on the plastic piece to remove it from the brake cable, then disconnect the wiring harness and pop in the new one, atacth the clip and you are good to go. I have been working with cars for 10 years, specialized in diagnostics and troubleshooting. Check along the run for rotted, broken or degraded wire. Would your fix be the same on a 95 silverado brake light on cab works fine? I couldnt figure out why my light didn't work. I pulled all stop lamp fuses to check and they still stayed on. James Wilsin, Either you have a broken wire, or blown fuse or you have a messed up blinker switch. Moat likely a bad or broken ground, circuit board that is on the back of the taillight or a broken wire. 06/14/2015 by 08/20/2020 by Earlier in the thread someone mentioned this problem an there solution was to drill the hole on the push rod larger to achieve the (slop) needed to activate the switch. Had no brake lights and hazards were not working. In rare cases, there might also be a broken wire somewhere. Formally called the Chevrolet C/K, C/K is a series of trucks manufactured by General Motors and marketed under the Chevrolet and GMC brands. Any recommendations to possibly fix the problem? step number one; hook up the computer and check to see what condition the ECM is reading, this rules out a burnt out dash bulb. A bad brake switch is a widespread problem when your brake lights are not working. Greg Steele Jr, Update it was a set of wires that comes off brake light switch that previous owner installed trailer brake switch n tapped into brake light switch wires n cut through them, 02/05/2018 by They work fine until I turn on my headlights. Open tailgate, there's two (rusted) Phillips screws into the taillight lens. I have no brake lights, reverse lights or running lights on my blazer. Somehow there isnt enough slack between the pedal and the booster rod. all my other lights work but my brake lights do not, 1992 GMC CK3500 7.4 454. brake light dont work, all other's. I bought new light coverings and they work just fine. Any solutions? The end yellow lead was melted in the connector and the female plug for this wire was black. I have tried everything. The brake lights and taillights are often comprised of one light bulb, but they work differently. Mechanic's Assistant: What's the make/model/year of your truck… But no brake light comes. I changed the relay, I changed the wire harness from the ignition . They run through wire shroud from front to back along the inside of the frame to the left tail light. In trying to remove the fuse panel to check on wiring connections on the back we discovered that the hazard flasher (makes the ticking noise when the hazards are on) was broken and shorted out. Three bulbs: they just pull out but won't want to come easy. Possibly the circuitboards to the brakelights? Therefore, it is necessary for both your taillights and brake lights to work. Terms — Ledfoot1965. Either one light shines more than the other, or the taillights completely switch off when you press the brakes. Gasoline – Which one should I choose? Brake lights were working intermittently. Problem solved. I did notice when my blinker is on (headlights turned off)when I hit my break my dash lights for my "heat and cool" flash with my blinker. At the taillights how many wires are on plug that goes into taillights? This seemed to work fine for some months. It is $5-$10; you might take ALL your truck data to the auto parts store, buy a new switch, then look for the same thing around the brake arm or under the hood. Tags: 1999, adjustable, brake, light, North America, switch, v70, Volvo. Went back to that ground again -- took it loose -- stripped the wire casing back a couple inches and BINGO!!!!!!!! Let’s have a look at the reasons for such a failure: New cars often use LED lights for the taillights. I found the white wire coming from the turn signal harness broke down at the flat connector at the bottom of the steering column. Only left turn worked -- No brake lights -- no running rear lights -- no flashers -- no backup lights. I got a boneyard replacement and wired it in. My break lights only work when the truck is off. If you are unsure of the wire color associated with brake light function, you can access wiring diagrams online, but be warned, chev/gm have been known to change color codes from time to time. Accessibility. No matter what your problem, there is a reason for it, and there is a solution. 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. Modern cars have two or more fuse boxes. Chased no break lights but high mount was working along with all other lights worked fine turned out to be bad conection on combination switch plug, Im ashamed to say it took 5 hrs and im not a rookie i did unplugged and check previously but it was the conector retainer wasnt alowing enough hold for proper connection, (Really i think its time to take her to a gambler500, But shes never left me stranded other than #10boltssuck), Step on my brakes and my radio comes on but brake light do not come on, 09/11/2020 by There's a fuse. Driving during the night without brake lights or tail lights can thus be extremely dangerous. Francis Thompson, Sorry it's the white wire that should be hot out of the brake switch when the brake is applied. I think on most C/K 1500/2500 it is on the brake pedal arm or the arm hits it. scott_69_2007. Home » General » 5 Reasons Why Your Brake Lights Don’t Work But Tail Lights Do, In General by Magnus SellénUpdated: January 6, 20217 Comments. Ledfoot1965, What did ya do to get em workin? There could be a fault in the brake light relay. All other lights work. I replaced the bulb but still not working. ... Yeah I've been driving for a long time and I've never seen a vehicle that illuminates the brake lights … The previous owner couldn't tell the difference between black (ground) and brown (running light power) and switched them in the rear. The back signal lights work but neither brake lights or tail lights work. Been reading about all your various symptoms. If it was me i would clip the wire at the tail light harness, about 4 inches back, then move to the engine bay and look for the same wire there. I came to this site when I had the same issue with no brake lights after changing a booster. If the rear light lights up correctly but does not become bright when the brake is applied then the switch of the brake is faulty. Austin L July 30, 2020 1 View 1 Answer Lincoln J answered on July 30, 2020 the 2019 volvo brake lights my stuff working due to bad wiring harness, bad fuse, or burned out bulb. Bernard Benson, check the brake switch on the brake pedal, 10/16/2015 by Test wires at tail see if your getting power to taillights. 1984 Ford F250. If the trailer has a lot of lights the power draw could be too much for the wiring harness to handle but usually when that happens the converter box or fuse will blow. I have Honda odyssey 2011. That all three brake light bulbs have gone bad at the same time is pretty unlikely, but if you have been driving for a long time without noticing, it is absolutely possible. Exchange relays to see if the relay is faulty and replace it if it is. I’ve replaced fuse, checked bulbs, replaced brake light switch, checked wiring under dash and along frame rail with no results! You need to take out your vehicle’s manual and find out your brake light fuse location. Its a cheap fix and takes WAY less time. The clear case around the flasher had broken and the copper was resting on some other ground point. Replacing light bulbs is often very straightforward, and they are very cheap to replace. This can be a real struggle to find since the wiring from inside the brake light system might go from the front of the car to the rear. If it was an overdraw situation then switching the trailer over to LED lights would solve that problem. before my patch this lights working when i press SPACE my truck lights shows other cars - stopped. Hot wire it electrical cleaner and install them again, but there are occasions where one the! Your taillight will work but when you depress the brakes i guess it could be whatever ground for the,... Straightforward, and heavy trucks the light bulbs are the most basic reason behind a faulty brake light has! Inches back too the copper was resting on some other ground point around, replaced break,. 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