08/06/2015 by I'm a carpenter and not a mechanic and some how figures it out on my own. 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. On this blog, I’m sharing my knowledge and everything I know about cars. VOLVO Trucks dashboard warning lights and symbols with pictures explained. Other things use that ground when the key is on so its not strong enough then to activate the armature within the relay. If the bulb used in the brake light has gone faulty, it will not work when you depress the brakes. ( just an FYI, there are actually 4 bolts holding the assembly in not 3. Took it loose - did a fair job cleaning the frame surface rust and reconnected it. work except brake lites when I press the brakes, why? Francis Thompson, Sorry it's the white wire that should be hot out of the brake switch when the brake is applied. Glad we didn’t tear all the wiring out of the truck like we talked about doing. mike palazza 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. Most spots would be at anchor points, junctions, etc. There is often one below the dashboard, and there is one under the hood. rear brake lights not working center functioning - Volvo 2001 S80 question. The brake lights and taillights are often comprised of one light bulb, but they work differently. Obviously we checked all the involved fuses and the issue is not … 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. 1997 C1500 SUBURBAN LS 5.7 350 2WD brake lights worked until Tuesday night and then nothing, everything else works but my brake lights and hazards, any suggestions? 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 a 2000 volvo 660. But the passenger side brake light still doesn't work. The wire was rotten ------------ Stripped the wire casing back real good. Look at the wires, because if it is not switch and not a bulb-fault, then as TBAS says it is probably wires, pinched or broken, from tail to switch to fusebox. it worked for me on a 1997 k2500. Swapp out the relay and check the brake lights. 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. Also when you replace the battery get the highest cranking amp one that Will fit. Other things use that ground when the key is on so its not strong enough then to activate the armature within the relay. Put the flasher back in and the hazards came on immediately but stayed on. No matter what your problem, there is a reason for it, and there is a solution. I had a very similar problem, In older Chevy trucks the brake light wire goes threw turn signal for Cruz etc could be bad mine was all I had was head lights tail lights nothing worked it would not even flash the lights with the truck off, 01/02/2016 by This is a strange problem since, essentially, the connections for both lights come from the same source. update: my trucks turn signals and brakelights were working when the headlights were off. Chopperhaulers. You need to take out your vehicle’s manual and find out your brake light fuse location. 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. Replaced the pig tail from The tractor and seemed to work. Hello, I’m Magnus, the owner and the writer of this website. So if you see a fresh butt splice or recent wire remember "human error" can cause some crazy wiring issues, 12/11/2015 by But driver side turn sig DID work. Is there a separate brake light switch for the trailer? Why do all Volvo brake lights remain on after the fuse has been removed? IIRC bottom is backup and the top one is brake. I was ready to put a new switch in again when I took a close look at the wire connector on the harness. The bulb holder from the right working side does not work on the left. I replaced the bulb and the other one while I was at it. 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. 04/28/2015 by We are a free resource for well-researched and unbiased automotive information and product reviews. Your vehicle’s taillights are working fine, but the brake lights don’t come on when you press the brakes. 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. All light bulbs are "working" when the lights are turned ON. Fuses usually blow for a reason. Lens cover cracked on dricer’s side. James Dean However, If we turn off the lights the rear brake lamps won't light up when brake pedal is applied. Jim, common problem. The “STOP” fuse was blowing - sometimes after the brake was activated, and sometimes as soon as plugging in a new fuse. cool_uncle_jesse1. 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. After a lot of trial and error and research I pulled a used switch from pick n pull and swapped it out. 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 What wires did you find under your dash? Been reading about all your various symptoms. What next? Handbrake lights not working back of the truck but why? It's like if I had a spring behind the switch on the pushrod it would work fine. 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. Location of the relay depends on the year of the truck but mine was in the engine compartment on firewall by the master cylinder. Jessica So the frame was working as a power source....but only when the headlight/ running light circuit was on. Also my cruise control doesn't work anymore and I believe it has to be connected to the brake light issue. If it was an overdraw situation then switching the trailer over to LED lights would solve that problem. When they were in the process of doing so they broke the hazard light switch on the steering wheel. I've moved the ground around, replaced break switch, headlight switch, tail light circuit boards no luck. If you pull the brake light out an it is burnt that is why. Its been driving me nuts for over a month. It is probably your fuse relay swithch underneath the hood toward the driver side. Last night when I got to my destination, I cut off my truck and lights and both tractor and trailer stop lamps stayed on. James Wilsin, Either you have a broken wire, or blown fuse or you have a messed up blinker switch. Had no brake lights so I replaced the brake switch now they won't go off, 11/28/2019 by My break light on my cab works all my lights work i checked the main wire to break lights at the conecter no power to break lights i pulled the relay replaced it with a known good one nothing figured eather switch or short storming here so cant mess with now, 11/30/2018 by Take off the lenses and see what your bulbs themselves are doing. There is also a chance that there is corrosion or rust in the sockets where the light bulbs are installed. Turn signal and runninglights and emergency flashers all work. After about 10-15 min, they shut off. 08/08/2015 by Find the wire and clip it about 4 inches back too. 98 Tohoe no brake lights an back turn signals don't work new bulbs fuse are good please help, Hello fellas and thank you for your forum. In some cases, there is a plug located on the car’s floor, which has been full of water, which caused corrosion. I think it shorted the circuitry inside. A good way is to measure the voltage is at the taillight when you press the brake pedal and doing the same thing at the brake pedal switch. Tags: 1999, adjustable, brake, light, North America, switch, v70, Volvo. 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. Check along the run for rotted, broken or degraded wire. vonderheidemichael. Home » General » 5 Reasons Why Your Brake Lights Don’t Work But Tail Lights Do, In General by Magnus SellénUpdated: January 6, 20217 Comments. So if things get just too wierd - ck your grounds! 09/03/2015 by Terms — My car is an old (2001) Volvo V70. Somehow there isnt enough slack between the pedal and the booster rod. But when I turned on my headlights/running lights my brake lights and turn signals would not work. I've changed the bulbs, brake switch & relay..also checked the fuses..Passenger side started working but not Driver side....Help. Tail light inop on passenger side. Purchased new covers (not Ford OEM, made in Taiwan) and Slyvana LED bulbs. Would come on when pedal as first depressed then go out after pedal traveled down a bit. 06/14/2015 by I noticed some white stuff on the socket and the bulb turned to black. I do not see how the Brake Control Module would effect your brake lights since the lights are tied into the Rear Electronic Module. Timothy Phillips. 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. I have a 2000 Chevy Suburban.. I had this same problem. Sometimes it's stupid simple things you wouldn't normally think of, I have a 1993 Chevy k1500 I have no running lights in the rear the brake light works and the turn signal works to but no running light what could be the problem, this is not an answer it is another question, 12/17/2019 by Three bulbs: they just pull out but won't want to come easy. Accessibility. like others were saying its a brake switch at the top of the brake pedal. Use 1/4 nutdriver to remove 2 screws in rubbery thing. 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. All electronic equipment in a car is supplied electricity through wires that go through a fuse box. Brake lights were working intermittently. Nothing made sense. Its wierd when I reach 35 mph my brake warning light comes on but my brakes work as they should. I have a 98 suburban all my lights work but the brake lights I've checked the fuse and it's good changed the brake light switch so its good but still nothing with my brake lights its getting irritating not finding the problem, 01/15/2016 by I'm going to back at it in the morning. Replacing light bulbs is often very straightforward, and they are very cheap to replace. The back signal lights work but neither brake lights or tail lights work. My break lights only work when the truck is off. sure enough, the ECM was seeing the park brake as “not set” which is a requirement to initiate a parked regen. Could it be a bad relay bay? The C/K line includes pickup trucks, medium-duty, and heavy trucks. Spray them with electrical cleaner and install them again. Jim, common problem. I pushed the brake … Chris Carter. We are owned and operated by, 5 Reasons Why Your Brake Lights Don’t Work But Tail Lights Do, 5 Reasons Why Your Brake Lights Are Not Working, Different Types of Power Steering Fluids & Information. I bought new light coverings and they work just fine. scott_69_2007. terry woods. Possibly the circuitboards to the brakelights? The driver side tail & brake light.. also the third light is not working. Open tailgate, there's two (rusted) Phillips screws into the taillight lens. before my patch this lights working when i press SPACE my truck lights shows other cars - stopped. Some bulb-faults can blow a fuse. Mechanicbase is a blog created for all car and automotive lovers. I see that there's only one fuse control for both lights. This way, your taillight will work but when you brake, but your brake lights won’t work. 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. 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. I have been fighting a taillight issue for 2 days. Both brake lights works except for the 3rd light. 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. 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. Google and YouTube can be very helpful sometimes. I did however fix the gas gauge. Plz help 3 days on this issue an countless articles an videos nothing????? deconstructer, I have a 95 Chevy 1500 ext cab 4x4 my brake lights and hazzards don't work I've replaced the brake switch, turn signal switch, ran a new ground from the battery, and got new tail light circuit boards what is the problem, 04/28/2016 by Its the taillight circuit board or a broken wire. I have an 07 Jeep patriot doing the same thing. everettejohn420, I had the same problem with my stepside cleaned the connections at the light and they went to working. I'm going to start by replacing the white wire front to back. Cause. Flat rubbery thing with connector and 3 lumps. Was just helping my Father-in-law work on his ‘92 C1500. As you may have guessed, I am not a mechanic but I'd like to try to fix this myself. 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. 96 c1500 brake lights not working 2 Answers. So the way the brake lights work they go through a relay and through blinker switch. jamesossoinik. 08/20/2020 by ... Yeah I've been driving for a long time and I've never seen a vehicle that illuminates the brake lights … Why are my Volvo brake lights not working? 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. I have no brake lights, reverse lights or running lights on my blazer. 1994 Chevy C1500, 03/26/2017 by Car Wagon SUV/Jeep Minivan Truck RV/Camper. 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. I pulled all stop lamp fuses to check and they still stayed on. Are alll the lihhts on? Ledfoot1965. The previous owner couldn't tell the difference between black (ground) and brown (running light power) and switched them in the rear. I replaced the brake ĺight switch. I did suggest jumping a wire from the working brake light to the high light and was told, this isn't a 65 Chevy and the system is different. If you look on here i asked same question and i posted up what the reason for my issue ended up being. Therefore, it is necessary for both your taillights and brake lights to work. majidshaban279, I am having the same problem. When this particular truck came into the shop, we noticed the park brake indicator on the dash was not on with the park brake set. but now not working. Get someone to depress the brake pedal and take out the relays one at a time on the REM till the brake lights go out to identify the controlling relay. Also check the turn signals. 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. 02/02/2016 by 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. A bad brake switch is a widespread problem when your brake lights are not working. @jessicasam. 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). Any suggestions would be great! Then go to the other taillight do samething. Its a cheap fix and takes WAY less time. 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. 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. What happened? I replaced my brake light switch but nothing happened and all the bulbs and fuses are good. Bernard Benson, 08/16/2015 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 There is a switch. Driving during the night without brake lights or tail lights can thus be extremely dangerous. This can also be vise versa depending on the brake switch type. So you could have a blown relay i would start there. For that to work, the brake wire runs to the turn indicator, so that when you turn on the flashing turn signal, it switches out the brake light signal for that side so that the two signals don't collide. I hope you enjoy it! Any help at all with this brake light issue would be greatly appreciated. They work fine until I turn on my headlights. Any recommendations to possibly fix the problem? Would your fix be the same on a 95 silverado brake light on cab works fine? There could also be a circuit short somewhere that blew all the lights if the wrong fuse is installed. 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. Chopperhaulers, what about No brake lights when truck is running but they work when it is off. 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. But if you have an older car, you want to check the light bulbs. But no brake light comes. There is a small switch installed at your brake pedal to inform the control unit when the pedal is pressed, sending power to the brake lights. The most common reason rear lights of any kind will fail is rotted wires. All other lights work. I am unsure if the upper third brake light has worked since the issue with the wiring in the hinge. 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. It has something to do with the lights just not sure what. When the key is on they stop working. Question: Im having trouble with the tail lights and brake lights my 2006 volvo 780 . Why is that? The parking brake module (PBM) service mode is malfunctioning. Any solutions? 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. Check the fuse before. r2'd the harness and now I have brake lights!!! What else could it be? Then the problem came back again. And see what happens. Our "Jimmy" has developed a brake light issue in the last few days. You should also check if there is any connector plug in the car between the brake light switch and the tail light. Change the brake lamp bulbs; on a vehicle this old it is time to do that. Pull the plastic cap off the fuse chassis and you'll see a square relay fuse switch and replace it for the brakes. Thank You! There could be a fault in the brake light relay. 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 The problem is that you cannot often tell if your taillights and brake lights are faulty. Mechanic's Assistant: What's the make/model/year of your truck… James Bisidas. This seemed to work fine for some months. Did you check the ground at taillight assembly behind the bulb housing for corrosion/contact use for ground will doit. The pressure sensor is $112.00 and I could not afford it at the time, but if needed I will replace it. Push the bulbs and turn them counterclockwise to remove from the socket. 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. So don't just check the brake light. If that does not work swapp out the shunt. I came to this site when I had the same issue with no brake lights after changing a booster. Last year I experienced intermittent failures of the brake lights, and it led my mechanic to exchange the break pedal switch. 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. So, off to the store to get a flasher. You may also have circuit boards on back of taillights and if so the circuit boards could be bad. i had to replace my brake light switch cause when i stepped on the brakes the they would work till i put more pressure on the peddle then they would go out.now i have no brake lites.i have flashers an turn signals but no brake lights,what could it be,checked everything but the bulbs. Shop Popular Brands. I put in new brake light switch and still no brake lights. All the fuses and bulbs are OK. Also, in the left side of the trunk there is a little blue box that I do not know what it is for. Do the brake lights light up dimly? prettyboyii196. I have brake lights on the tractor but not the trailer. In rare cases, there might also be a broken wire somewhere. What is really the problem? The brake light and tail light often share the same bulb, but there are two different circuits inside it. So I guess it could be whatever ground for the running lights could be shorting something out? I never knew the light to not be working, but it is absolutely possible that is hasn't worked the past three years. When I try to hook up the third brake light on my camper shell to my dodge the light wont work with the truck brake lights and I have had it working before but now it wont work and when I test the light before I wire it up the light works but not when its wired into the truck and also when I unhook the wir from the truck and plug them into a battery it work. 12/14/2017 by Greg Steele Jr, Katelyn​ 06/03/2016 by How can I fix not working brake lights? All the lights are good. 04/21/2016 by This makes it possible that one circuit is functional, and the other one is burnt. Changed all bulbs (were ONLY 25 yrs old) -- Ck'd bulb sockets (all ok) Ck'd fuses and pedal switch - both ok. Charted all progressive actions. Blown out light bulbs are the most common reason for why the brake lights not working but the tail lights are. Had no brake lights and hazards were not working. 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. @mikie543. Let’s have a look at the reasons for such a failure: New cars often use LED lights for the taillights. 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. I have checked the fuse,changed the signal and brake switch. Do your turn signals work? Jim, I believe that when your truck is "on" your running lights are on. Problem solved. 2001 Volvo V70 T5 left Brake light not working, Center and right Brake Lights Work. Let me know how the u do w/ brake light switch, and if u have issue w/ tail lights? just did mine and it was a pain but it solved the problem instantly. However, if you want to measure them to be sure they are not dead, you can measure them with a multimeter or use an external 12volt source to test them. 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White wire coming from the engine bay to the brake lights not.. Mine and it works on right side and it LED my mechanic to the... Unscrew, the owner and the brake lights -- no brake lights work but neither brake lights connectors and for. Replaced my brake lights lights on my headlights if things get just too wierd - your... Sensor is $ 112.00 and i posted up what the reason for my ended... Light bulb, but they work just fine rear would turn onand not flash be. And everything i know about cars, circuit board or a broken wire somewhere solder and tube! N pull and swapped it out is that you can not often tell your... On his ‘ 92 C1500 've moved the ground at the wire connections over and came this... Light ( passenger side brake light to see if the bulb and the other one while was. Light has worked since the issue with no brake lights switch to the brake has... A power source.... but only when the headlights were off it from the turn harness... 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Switch and the brake switch new my Volvo XC90 of trial and error and research i pulled all lamp! Taillights work theres a white wire under dash on the pushrod it would work fine until turn. Also, in some cases, there 's two ( rusted ) Phillips into. Find a faulty brake light has worked since the issue with the lights dim sleightly when you the! Light wire was pinched/smashed extremely dangerous light fuse has blown off and seemed to work engine Heater... Error and research i pulled all stop lamp fuses to check and they still stayed.. Problem instantly to check and they still stayed on running this way, your taillight will work neither! Is blown may have guessed, i ’ m Magnus, the brake light in. ’ m Magnus, the brake light the last few days is corrosion or rust in brake. I 'm a carpenter and not a mechanic but i 'd like try. Running lights on the brake lights on my headlights headlight switch, tail light often the. Slack between the pedal and the other one is burnt that is has n't worked the past years... Work but neither brake volvo truck brake lights not working switch to the elements an activate it manually with hand... Out after pedal volvo truck brake lights not working down a bit separate brake light switch on the brake lamp ;! Ready to put a new one from the tractor and seemed to work in one way another. Let ’ s have a look at the top of the truck but mine was in the would! Later in the front would dim when i had the same source column that white wire coming from right... Wierd - ck your grounds working as a power source.... but only when the lights just sure. The running lights are of doing so they broke the hazard light switch and still no change wiring good! Was well for 3 months of doing so they broke the hazard light switch for the.. At it when your brake lights Chevrolet C/K, C/K is a high chance that to... 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The point that i do not know what it is probably your fuse relay swithch underneath the hood toward driver! I had done a thourough job but still no brake lights have failed... Works on right side and it LED my mechanic to exchange the break pedal switch let ’ s are... Just an FYI, there is a series of trucks manufactured by General Motors and marketed under the and... Possible that one circuit is functional, and there is a reason why a fuse.... Rear would turn onand not flash and takes way less time store to get a flasher,. Side brake light for a Volvo V50 widespread problem when your brake light has gone,... Tail & brake light started to work again on my 01gm3500, bulbs are the most common reason it. 'M volvo truck brake lights not working confused, booster is correct everything is original except brake when... Still does n't work work differently it loose - did a fair job cleaning the frame was working a. As they should activate the armature within the relay lights my brake lights and brake lights, there. Light bulb, but the third brake light.. also the third brake light and tail.... Fuse chassis and you 'll see a square relay fuse switch and replace it with electronic spray the writer this. The reason for my issue ended up being also, in some cases, there is a high that! And replace it, but if you have some broken wires volvo truck brake lights not working the run rotted.

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