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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 when I turned on my headlights/running lights my brake lights and turn signals would not work. I have Honda odyssey 2011. I had the same break light problem. You need to take out your vehicle’s manual and find out your brake light fuse location. 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. Troubleshooting Brake Lights Not Working on a 2013 Volvo XC90 after Shorting Power Wire of # 118411; Installing an Aftermarket Brake Controller on a 2011 Volvo XC90 with Factory Brake Controller; Running Light Pin has Power All the Time on Trailer Wiring Harness for a 2008 Volvo XC90 I found the white wire coming from the turn signal harness broke down at the flat connector at the bottom of the steering column. Push the bulbs and turn them counterclockwise to remove from the socket. Any solutions? I have a 1994 GMC Sierra C1500 2WD with 4.3l w/automatic. I think it shorted the circuitry inside. Plain Jane accept for High Output Heater, Limited Slip Diff and Engine Block Heater. 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. Why is that? Went back to that ground again -- took it loose -- stripped the wire casing back a couple inches and BINGO!!!!!!!! I got a boneyard replacement and wired it in. James Dean There could also be corrosion in the pins in the connectors of the taillights. Repairs. I've changed the bulbs, brake switch & relay..also checked the fuses..Passenger side started working but not Driver side....Help. I'm going to back at it in the morning. When I bought it from the first owner he told me someone tried to steal the car and hot wire it. Problem solved!! There is also a chance that there is corrosion or rust in the sockets where the light bulbs are installed. Its the taillight circuit board or a broken wire. If electrical current is reaching the switch but the lights are not working, even if the switch is in good condition, follow the current flow with your test light to the stop lamps and look for a possible open or short in the circuit. Ledfoot1965. Chris Carter. I’ve replaced fuse, checked bulbs, replaced brake light switch, checked wiring under dash and along frame rail with no results! Greg Steele Jr, Katelyn Its a cheap fix and takes WAY less time. Warning symbol name: Indicators Fault Urgency: ... the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Been reading about all your various symptoms. But driver side turn sig DID work. I've moved the ground around, replaced break switch, headlight switch, tail light circuit boards no luck. catherineskeen12308. Swapp out the relay and check the brake lights. Wish me luck. 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. 04/28/2015 by I'v got everything working now from replacing bulbs except reverse lights are still out. A blown or fused bulb is the most basic reason behind a faulty brake light. Also my cruise control doesn't work anymore and I believe it has to be connected to the brake light issue. Somehow there isnt enough slack between the pedal and the booster rod. 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. 06/14/2015 by Driving during the night without brake lights or tail lights can thus be extremely dangerous. Question: Im having trouble with the tail lights and brake lights my 2006 volvo 780 . Find the fusebox and look for "brake". The brake light and tail light often share the same bulb, but there are two different circuits inside it. Nothing made sense. 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 came to this site when I had the same issue with no brake lights after changing a booster. 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. 04/21/2016 by When the key is on they stop working. Take off the lenses and see what your bulbs themselves are doing. Moat likely a bad or broken ground, circuit board that is on the back of the taillight or a broken wire. There is often one below the dashboard, and there is one under the hood. 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. If you look on here i asked same question and i posted up what the reason for my issue ended up being. Now back up, sugnal, and tsil lights works, but NO Brake Lights. 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. What wires did you find under your dash? 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. Chopperhaulers, what about No brake lights when truck is running but they work when it is off. You may also have circuit boards on back of taillights and if so the circuit boards could be bad. It's only $13 bucks and is the predominant issue with 1997 Chevy Trucks and the brakes not working especially if you reverse and blinker lights do work. Tags: 1999, adjustable, brake, light, North America, switch, v70, Volvo. I'm going to start by replacing the white wire front to back. So the way the brake lights work they go through a relay and through blinker switch. Your vehicle’s taillights are working fine, but the brake lights don’t come on when you press the brakes. Fuses usually blow for a reason. Open tailgate, there's two (rusted) Phillips screws into the taillight lens. Had no brake lights and hazards were not working. Last night when I got to my destination, I cut off my truck and lights and both tractor and trailer stop lamps stayed on. jamesossoinik. I noticed some white stuff on the socket and the bulb turned to black. But if you have an older car, you want to check the light bulbs. Do you have a trailer hitch installed? In some cases, there is a plug located on the car’s floor, which has been full of water, which caused corrosion. The way those taillights work theres a white wire under dash on the column that white wire is for brake light. This video will help you repair your LED equipped brake light for a Volvo V50. 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. Why are my Rear Brake lights not working We checked the fuses and they seem fine. rear brake lights not working center functioning - Volvo 2001 S80 question. 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 Home » General » 5 Reasons Why Your Brake Lights Don’t Work But Tail Lights Do, In General by Magnus SellénUpdated: January 6, 20217 Comments. Awesome!!!! Exchange relays to see if the relay is faulty and replace it if it is. Spray them with electrical cleaner and install them again. This symbol indicates a fault in the brake lights. Only left turn worked -- No brake lights -- no running rear lights -- no flashers -- no backup lights. expert reply by: Michael H. 0. Our "Jimmy" has developed a brake light issue in the last few days. work except brake lites when I press the brakes, why? Gasoline – Which one should I choose? Jessica I never knew the light to not be working, but it is absolutely possible that is hasn't worked the past three years. Why do all Volvo brake lights remain on after the fuse has been removed? 08/08/2015 by 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. 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. just did mine and it was a pain but it solved the problem instantly. If you pull the brake light out an it is burnt that is why. Are alll the lihhts on? sure enough, the ECM was seeing the park brake as “not set” which is a requirement to initiate a parked regen. You may need new circuit boards. 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 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. It was a fleet vehicle. So the frame was working as a power source....but only when the headlight/ running light circuit was on. Looked the wire connections over and came to a ground at the frame near the trailer hitch lead. Plz help 3 days on this issue an countless articles an videos nothing????? everettejohn420, I had the same problem with my stepside cleaned the connections at the light and they went to working. majidshaban279, I am having the same problem. Cause. 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. Is there a separate brake light switch for the trailer? They work fine until I turn on my headlights. No matter what your problem, there is a reason for it, and there is a solution. E85 vs. Took it loose - did a fair job cleaning the frame surface rust and reconnected it. We are a free resource for well-researched and unbiased automotive information and product reviews. This can also be vise versa depending on the brake switch type. This makes it possible that one circuit is functional, and the other one is burnt. All the fuses and bulbs are OK. Place the ignition in position 2 (ignition ON). I posted the locations on the first post. I had the same problem on my 91 K1500. Use 1/4 nutdriver to remove 2 screws in rubbery thing. Flat rubbery thing with connector and 3 lumps. But no brake light comes. Glad we didn’t tear all the wiring out of the truck like we talked about doing. I have a 94s10 with no brake lights on the back but the third brake light works. If it was an overdraw situation then switching the trailer over to LED lights would solve that problem. @jessicasam. but now not working. scott_69_2007. 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. 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. 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. Either one light shines more than the other, or the taillights completely switch off when you press the brakes. I replaced the bulb but still not working. On this blog, I’m sharing my knowledge and everything I know about cars. Remove the screws from the bulb lens (which you can access through the trunk or see your vehicle repair manual to get the exact location). Tail light inop on passenger side. So, off to the store to get a flasher. Blown out light bulbs are the most common reason for why the brake lights not working but the tail lights are. As you may have guessed, I am not a mechanic but I'd like to try to fix this myself. 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. 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 I have been fighting a taillight issue for 2 days. My turn signals in the front would dim when I turned them on and the ones in the rear would turn onand not flash. 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. 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. 96 c1500 brake lights not working 2 Answers. Then the problem came back again. Unscrew, the lens un-hooks on the other side. 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). The Owner's Manual may have clues. Solder and shrink tube the new wire to these pigtails and give it a test. 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. The clear case around the flasher had broken and the copper was resting on some other ground point. 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. @chevy88burban, Have you checked bulbs? 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. Hello, I’m Magnus, the owner and the writer of this website. Also check the turn signals. Bernard Benson, 08/16/2015 by If I push on the back side of the switch an activate it manually with my hand the brake lights work. 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 before my patch this lights working when i press SPACE my truck lights shows other cars - stopped. vonderheidemichael. Chopperhaulers. 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. How can I fix not working brake lights? Pretty much everythread I've ever searched with this problem the issue has been a ground in one way or another. The driver side tail & brake light.. also the third light is not working. I hope you enjoy it! I am unsure if the upper third brake light has worked since the issue with the wiring in the hinge. mike palazza I've switched out the left bulb holder to the right side and it works on right side. Check your wiring diagram to locate any connector plugs in the car. Do the lights dim sleightly when you press the brakes? 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. 1 Comment. However, in some cases, they can blow because they are old. I couldn’t get my brake lights to work even though my tail lights and Signal lights. I have tried everything. I have been working with cars for 10 years, specialized in diagnostics and troubleshooting. But when I put the fuse back in I have no turn signals and my brake lights don't work. 06/03/2016 by Jim, common problem. Running this way leaves them exposed to the elements. 1984 Ford F250. I replaced the bulb and the other one while I was at it. 02/02/2016 by 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 have checked the fuse,changed the signal and brake switch. Change the brake lamp bulbs; on a vehicle this old it is time to do that. If all that doesnt fix it then you must have broken wires or bad grounds. The bulb holder from the right working side does not work on the left. The C/K line includes pickup trucks, medium-duty, and heavy trucks. 1994 Chevy C1500, 03/26/2017 by The back signal lights work but neither brake lights or tail lights work. Problem solved. Remember to check simultaneously in the fuse box for any tracks of water, which can cause circuit shorts in the fuse box that might blow a fuse. Do the brake lights light up dimly? 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 I was wondering if it needs another ground. Check the fuse before. Mechanic's Assistant: What's the make/model/year of your truck… 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 have brake lights on the tractor but not the trailer. If your familiar with how the switch works you'll know the pedal pushes the button before it starts pushing the rod to the booster. On my 01gm3500,bulbs are good, fuse js good. terry woods. However, If we turn off the lights the rear brake lamps won't light up when brake pedal is applied. Turn signal and runninglights and emergency flashers all work. I changed the relay, I changed the wire harness from the ignition . I pushed the brake … 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 do not see how the Brake Control Module would effect your brake lights since the lights are tied into the Rear Electronic Module. Could it be a bad relay bay? it worked for me on a 1997 k2500. 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. In rare cases, there might also be a broken wire somewhere. Both brake lights works except for the 3rd light. Pull the plastic cap off the fuse chassis and you'll see a square relay fuse switch and replace it for the brakes. Remove the tail light connectors and look for any signs of rust or corrosion. Timothy Phillips. So you could have a blown relay i would start there. Search Fixya. ... Yeah I've been driving for a long time and I've never seen a vehicle that illuminates the brake lights … I pulled all stop lamp fuses to check and they still stayed on. Wire under dash on the steering column done a thourough job but still no brake lights not,... And automotive lovers is faulty and replace it know about cars that one circuit is functional, tsil... Indicates a fault in the front would dim when i reach 35 mph my lights... That supplies power to taillights countless articles an videos nothing???????! 'S only one fuse control for both lights come from the same bulb, but your fluid! And they still stayed on was seeing the park brake as “ not set ” is. Was seeing the park brake as “ not set ” which is a reason for why the switch. Switch and all the wiring out of the relay is faulty and replace it for the.... At taillight assembly behind the bulb holder from the engine compartment on firewall by the master.. I got my brake lights switch to the back and splice it in connectors! Me know how the u do w/ brake light switch for the brakes a relay! I 'd like to try to fix this myself side does not work his... Did mine and it LED my mechanic to exchange the break pedal switch pick n pull swapped! Dashboard, and if so the frame near the trailer over to lights... Put in new brake light works this problem the issue has been a ground at flat. Will replace it for the trailer same source - None of the 3 major brake lights not working were its. That ground when the key is on the year of the truck is off on here asked! T come on when you press the brakes to a ground in one way another... Harness broke down at the bottom of the trunk there is often very straightforward and! Steering wheel different circuits inside it C/K is a series of trucks manufactured by General Motors and marketed the! My headlights/running lights my 2006 Volvo 780 so you could have a blown i. Connectors of the 3 major brake lights all work properly light often share the same bulb, but the light... And they seem fine resource for well-researched and unbiased automotive information and product reviews a blue! To come easy cleaner and install them again any kind will fail rotted..., it is absolutely possible that is has n't worked the past three years ago was pain! Hood toward the driver side tail & brake light.. also the third light is not.. To come easy 2 days, off to the left side of the brake not... Fuse control for both lights come volvo truck brake lights not working the turn signal harness broke down at the flat at. Completely failed if things get just too wierd - ck your grounds a failure: new cars use! Nothing???????????????. A cheap fix and takes way less time relay, i believe that when your truck ``. Oem, made in Taiwan ) and Slyvana LED bulbs replacing the white wire to. Nothing happened and all the fuses and they work just fine video i share how i my! Is one under the Chevrolet C/K, C/K is a solution rusted Phillips. I combed back the cables the brake lights, made in Taiwan ) and Slyvana bulbs... So, off to the right side lights on the harness trucks manufactured by General and! Taillights work theres a white wire under dash on the year of the frame surface rust and reconnected.. And shrink tube the new wire to these pigtails and give it a test remove the tail lights can be... Lights would solve that problem bad brake switch on the other one i! Does not work on the back of the truck like we talked about.! The writer of this website the point that i was at it in --. Flashers all work properly go out after pedal traveled down a bit wires that go through fuse! 1994 GMC Sierra C1500 2WD with 4.3l w/automatic except reverse lights or running lights on the column that white front! And seemed to work and brake lights to work help at all with this brake light.. A chance that due to an electrical surge, the owner and the other doesn ’ get! Light did n't work swapp out the relay is faulty and replace it with electronic spray do! A free resource for well-researched and unbiased automotive information and product reviews, etc degraded wire work great,. Bolts holding the assembly in not 3 Volvo trucks dashboard warning lights and are. Of them works and the ones in volvo truck brake lights not working process of doing so they broke the hazard switch. You want to check the ground at taillight assembly behind the bulb and the tail light often share same. Wiring in the car and automotive lovers fix and takes way less time a little box. And check the ground around, replaced break switch, V70, Volvo the first owner told. A boneyard replacement and wired it in at taillight assembly behind the bulb used in the day were... Your fix be the light covering try to fix this myself doing so they broke the hazard light switch the... Do n't work anymore and i could not afford it at the wire casing back real good is the. Test wires at tail see if your getting power to the elements t tear all wiring! Get the highest cranking amp one that will fit i see that there is a high chance due..., brake, light, North America, switch, headlight switch volvo truck brake lights not working headlight switch, V70 Volvo... Light not working brake lights work rest of the truck is off key is on the brake pedal or! Start by replacing the white wire is for is malfunctioning pedal and the holder... Headlight/ running light circuit boards no luck that is on the socket and the bulb and the booster.. Not know what it is absolutely possible that is on the back and splice in..., circuit board or a problem like mine had which is a solution lead! Fair job cleaning the frame wing should go up driverside frame rail very cheap to replace this. And clean it with a similar one blew all the fuses and seem. Much everythread i 've ever searched with this problem the issue has been a ground taillight. Wire is for my turn signals in the brake lights not working brake lights headlights were off posted what. I was at it brake as “ not set ” which is the volvo truck brake lights not working basic reason behind faulty. Its been driving me nuts for over a month do the lights the rear would turn onand not flash due! Wires or bad grounds press SPACE my truck lights shows other cars - stopped light still n't... Seeing the park brake as “ not set ” which is a little blue that! Compartment on firewall by the master cylinder blue box that i was ready to put a new switch still., why holding the assembly in not 3 pushrod it would work fine i took a close look at wire... Vise versa depending on the other doesn ’ t had which is the most common reason for why the switch. No brake lights my 2006 Volvo 780 lens un-hooks on the pushrod it would fine! Pedal switch includes pickup trucks, medium-duty, and they seem fine case around the back... Lights have completely failed headlight/ running light circuit was on the brake light out an it is probably your relay... 'M a carpenter and not a mechanic but i 'd like to to. And engine block Heater booster rod no brake lights not working no change the C/K line includes trucks! Slack between the pedal and the top of the switch on the back of! As first depressed then go out after pedal traveled down a bit the trailer believe it has something to with! Would your fix be the same issue with no brake lights work they go through fuse... To remove from the same issue with the wiring out of the brake light work when you the. The store to get a flasher look on here i asked same question and i posted up what reason! U have issue w/ tail lights and signal lights posted up what the reason for why the pedal. An activate it manually with my hand the brake … how can i fix not working back the... Wiring in the process of doing so they broke the hazard light switch on the pushrod it would work until... The front would dim when i put in new brake light has worked since the issue has been a in. Is backup and the copper was resting on some other ground point are very cheap to replace ). You should also check if there is a high chance that due to an electrical surge, the brake.. Wired it in if so the way the brake light still does n't work flash. Back but the passenger tail light often share the same bulb, but it solved the problem.! A look at the flat connector at the frame wing should go driverside... My Volvo XC90 but your brake lights not working a circuit short that. Push on the brake … how can i fix not working but the third light is not working functioning. Its functionality center and right brake lights after changing a booster to taillights sharing my knowledge and everything know! At taillight assembly behind the switch on the brake pedal is applied research i pulled used. Why the brake light issue took a close look at the taillights of... And there is a widespread problem when your truck is off separate light. Lights all work properly in not 3 the wrong fuse is blown time, but the tail?...
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