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. So, off to the store to get a flasher. The pressure sensor is $112.00 and I could not afford it at the time, but if needed I will replace it. 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. Repairs. 12/14/2017 by Thought I had done a thourough job but still no change. like others were saying its a brake switch at the top of the brake pedal. Find the wire and clip it about 4 inches back too. 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. Jim, common problem. What next? 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. This is a strange problem since, essentially, the connections for both lights come from the same source. If the bulb used in the brake light has gone faulty, it will not work when you depress the brakes. Chris Carter. I'm a carpenter and not a mechanic and some how figures it out on my own. 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. 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). Last night when I got to my destination, I cut off my truck and lights and both tractor and trailer stop lamps stayed on. Place the ignition in position 2 (ignition ON). 96 c1500 brake lights not working 2 Answers. And see what happens. but now not working. 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 … No matter what your problem, there is a reason for it, and there is a solution. 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. The brake light and tail light often share the same bulb, but there are two different circuits inside it. I have been working with cars for 10 years, specialized in diagnostics and troubleshooting. Open tailgate, there's two (rusted) Phillips screws into the taillight lens. A blown or fused bulb is the most basic reason behind a faulty brake light. Why are my Rear Brake lights not working We checked the fuses and they seem fine. James Bisidas. Awesome!!!! There could be a fault in the brake light relay. I couldn’t get my brake lights to work even though my tail lights and Signal lights. The clear case around the flasher had broken and the copper was resting on some other ground point. Let’s have a look at the reasons for such a failure: New cars often use LED lights for the taillights. There's a fuse. Take off the lenses and see what your bulbs themselves are doing. Did you check the ground at taillight assembly behind the bulb housing for corrosion/contact use for ground will doit. 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. Took it loose - did a fair job cleaning the frame surface rust and reconnected it. Our "Jimmy" has developed a brake light issue in the last few days. 1 Comment. As you may have guessed, I am not a mechanic but I'd like to try to fix this myself. 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. Jim, common problem. All the fuses and bulbs are OK. prettyboyii196. Both brake lights works except for the 3rd light. All light bulbs are "working" when the lights are turned ON. I've moved the ground around, replaced break switch, headlight switch, tail light circuit boards no luck. Either one light shines more than the other, or the taillights completely switch off when you press the brakes. 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. Tail light inop on passenger side. So the frame was working as a power source....but only when the headlight/ running light circuit was on. I replaced my brake light switch but nothing happened and all the bulbs and fuses are good. 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). 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. Any solutions? 08/20/2020 by Mechanicbase is a blog created for all car and automotive lovers. Then go to the other taillight do samething. brianbonner90. 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. 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. I'm inexperienced an have been over everything. Test wires at tail see if your getting power to taillights. catherineskeen12308. 08/06/2015 by Hello, I’m Magnus, the owner and the writer of this website. 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. Do you have a trailer hitch installed? The C/K line includes pickup trucks, medium-duty, and heavy trucks. 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? But when I turned on my headlights/running lights my brake lights and turn signals would not work. Tail and Brake Lights Not Working on a 2006 Volvo C70 or S80. If that does not work swapp out the shunt. Would your fix be the same on a 95 silverado brake light on cab works fine? 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 Replaced the pig tail from The tractor and seemed to work. The way those taillights work theres a white wire under dash on the column that white wire is for brake light. before my patch this lights working when i press SPACE my truck lights shows other cars - stopped. Your vehicle’s taillights are working fine, but the brake lights don’t come on when you press the brakes. Its the taillight circuit board or a broken wire. I have been fighting a taillight issue for 2 days. Do your turn signals work? Handbrake lights not working back of the truck but why? Therefore, it is necessary for both your taillights and brake lights to work. It's like if I had a spring behind the switch on the pushrod it would work fine. The driver side tail & brake light.. also the third light is not working. 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. I think on most C/K 1500/2500 it is on the brake pedal arm or the arm hits it. I'm going to start by replacing the white wire front to back. Chopperhaulers, what about No brake lights when truck is running but they work when it is off. Purchased new covers (not Ford OEM, made in Taiwan) and Slyvana LED bulbs. Running this way leaves them exposed to the elements. Driving during the night without brake lights or tail lights can thus be extremely dangerous. 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. 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. All the lights are good. 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. The wire was rotten ------------ Stripped the wire casing back real good. scott_69_2007. But driver side turn sig DID work. 2001 Volvo V70 T5 left Brake light not working, Center and right Brake Lights Work. Terms — Tags: 1999, adjustable, brake, light, North America, switch, v70, Volvo. Change the brake lamp bulbs; on a vehicle this old it is time to do that. A bad brake switch is a widespread problem when your brake lights are not working. The brake light (passenger side) went out. One of the wires broken during the incident three years ago was a yellow wire that supplies power to the upper third brake light. I got then working under the dash when hit the pedal coming out of the switch I'm thinking it's probably the relay it doesn't click when power is applied to it either that or it's in the column in the single light switch, but anyway don't forget the ground underneath the dash right behind where the OBD1 connector is that fixed most of my issues right there it didnt look bad a little bit of blue between the dash in the connector could be seen when I took it apart but by looking I would have thought it was a good connection, © 2021 iFixit — Licensed under Creative Commons — Privacy — If you pull the brake light out an it is burnt that is why. After changing the lightbulbs and testing everything it turned out to be the light covering. majidshaban279, I am having the same problem. 1993 K3500, same problem...no brake lights but had all other lights. I have a 2000 volvo 660. Put the flasher back in and the hazards came on immediately but stayed on. Also when you replace the battery get the highest cranking amp one that Will fit. @chevy88burban, Have you checked bulbs? Swapp out the relay and check the brake lights. Bernard Benson, 08/16/2015 by So the way the brake lights work they go through a relay and through blinker switch. My break lights only work when the truck is off. 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. Problem solved!! 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. Most spots would be at anchor points, junctions, etc. I changed the relay, I changed the wire harness from the ignition . At the taillights how many wires are on plug that goes into taillights? So you could have a blown relay i would start there. How can I fix not working brake lights? @deanjf64. When the key is on they stop working. You can trace the black wire from the relay but it goes into the harness so its much easier to cut the wire, place an eyelit terminal on it and attach it to the body with a self tapping screw. Location of the relay depends on the year of the truck but mine was in the engine compartment on firewall by the master cylinder. Why are my Volvo brake lights not working? 1 relay is on the back of the fuse panel, the other is next brake pedal on that panel to the left of the brake pedal. 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. What wires did you find under your dash? Home » General » 5 Reasons Why Your Brake Lights Don’t Work But Tail Lights Do, In General by Magnus SellénUpdated: January 6, 20217 Comments. The most common reason rear lights of any kind will fail is rotted wires. Jessica I have Honda odyssey 2011. Exchange relays to see if the relay is faulty and replace it if it is. However, in some cases, they can blow because they are old. Wish me luck. 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. 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. 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. In this video I share how I got my brake lights to work again on my Volvo XC90. I was wondering if it needs another ground. Why is that? work except brake lites when I press the brakes, why? Lens cover cracked on dricer’s side. After about 10-15 min, they shut off. 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 If it was an overdraw situation then switching the trailer over to LED lights would solve that problem. Car Wagon SUV/Jeep Minivan Truck RV/Camper. Once i combed back the cables the brake light started to work. I replaced the bulb but still not working. Spray them with electrical cleaner and install them again. 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. 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. 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. 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. Brake lights were working intermittently. The bulb holder from the right working side does not work on the left. Its been driving me nuts for over a month. I replaced the bulb and the other one while I was at it. Why do all Volvo brake lights remain on after the fuse has been removed? everettejohn420, I had the same problem with my stepside cleaned the connections at the light and they went to working. 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. brianbonner90. I have a 2000 Chevy Suburban.. 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 it worked for me on a 1997 k2500. Some bulb-faults can blow a fuse. So I'm very confused, booster is correct everything is original except brake switch new. I couldnt figure out why my light didn't work. Shop Popular Brands. Also check the turn signals. James Wilsin, Either you have a broken wire, or blown fuse or you have a messed up blinker switch. Pull the plastic cap off the fuse chassis and you'll see a square relay fuse switch and replace it for the brakes. I’ve replaced fuse, checked bulbs, replaced brake light switch, checked wiring under dash and along frame rail with no results! But the passenger side brake light still doesn't work. 09/03/2015 by Cause. Bernard Benson, check the brake switch on the brake pedal, 10/16/2015 by If you do find a faulty wire, just run a new one from the engine bay to the back and splice it in. All other lights work. To figure it out get a test light clean a piece of metal connect teat light ground, then unplug taillight and stick trat light probe into 1 slot at a time see what works and what doesnt and write it down. I have brake lights on the tractor but not the trailer. update: my trucks turn signals and brakelights were working when the headlights were off. Did you figure out the problem? Flat rubbery thing with connector and 3 lumps. Cables were pulled too tight. Hi I looked up part# it is for a Volvo but it is a oil pressur switch they gave you the wrong part# That being said the one on tredal valve {foot brake} is the brake light switch some times the brake is partialy down from dirt or rocks or carpet make sure it is returning all the way try grounding wire that came off foot brake and see if lights go out if they do then you need that switch. 05/27/2017 by 06/03/2016 by I have checked the fuse,changed the signal and brake switch. Is there a separate brake light switch for the trailer? - None of the 3 major brake lights work. Other things use that ground when the key is on so its not strong enough then to activate the armature within the relay. I put in new brake light switch and still no brake lights. 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. 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