John . The most common reason why your tail lights are not working but brake lights are is due to a bad or wrong type of light bulb installed. So the way the brake lights work they go through a relay and through blinker switch. And see if they work as they should there. Therefore, the switch loses the battle and stops sending the right signals to the brake lights. Disconnect the electrical connector from the switch. 2021| TheGrumpyMechanic.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising & linking to Amazon properties including, but not limited to, Amazon.com. You must replace it to get your brake lights back to work.if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[250,250],'engineauditor_com-large-leaderboard-2','ezslot_11',169,'0','0'])};__ez_fad_position('div-gpt-ad-engineauditor_com-large-leaderboard-2-0'); If your Chevy truck brake light assembly is defective, you may experience the same brake light issue. Mine worked fine until I changed the booster. I have replaced the brake light switch, the two tail light circuit boards, all bulbs, fuses and relays Every thing is working, except for the brake lights(although the blinkers blink fast), and not every time, but at least once a. But when I put the fuse back in I have no turn signals and my brake lights don't work. 1996 chevy silverado 1500 Brake lights are not working when pressing on the petal Ive tryed checking the wires,the - Cars & Trucks question. I like this site, Electrical problem V8 Two Wheel Drive Automatic 32500 miles. 2006 Chevrolet Silverado 1500. Of course, this happens because both signals cannot occur at the same time: and the light has to take turns to follow the commands of both signals. I changed the relay, I changed the wire harness from the ignition . Good luck. Silverado & Fullsize Pick-ups - 2008 Silverado cruise control is not working - I have a 2008 Silverado LT, 2WD, 5.3L. Oh My gosh! How to Troubleshoot License Plate Lights Not Working? 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. The picture cut off the bottom part of the diagram, but where I would start is with the ground shown in the lower left hand part of the diagram -- those three boxes labeled ground distribution. Bought 98 GMC 2500 ,brake lights did not work.Changed everything.Did not work.What I did know it use to belong to a contractor that used trailers all the time.Then I checked the trailer hitch connections.I saw a white wire grounded to the frame.I checked it with my volt meter.Found out it was hot .Disconnected it.Everthing worked.I found out through a friend of mine that a lot of guys that use . 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. Check for corrosion and double check the wiring harness. Identify the location of the brake light assembly on your Chevy vehicle. How Much Does It Cost To Fix Brake Lights? A new fuse costs too little to be sold singly. Some bulb-faults can blow a fuse. So, if the bulbs are okay, the next thing to check is the fuse for the stoplights. That's because light sockets can develop rust or dirt, and sometimes the wiring can play tricks. Question type: Maintenance & Repair. We are interested to see what it is. The cab brake light does work. They can provide you with the correct replacement. Flashers, signal, parking lights work and break fuse has power when the key is on. A faulty control light switch could also be to blame. Keep this small part safe. The rear junction block is suspect for me only for the fact that I don't think it's just a dumb block, but some type of electronic assy. it will most likely be beside your brake fluid assembly, in a cluster, entering the firewall. If The Bulb On Only One Side Is Not Working, 2. Took it loose - did a fair job cleaning the frame surface rust and reconnected it. Find the fusebox and look for "brake". Install the new switch, ensuring it aligns correctly with the pedal arm. Once identified, remove its cover by unscrewing it. Your email address will not be published. Suppose your vehicle's taillights are working fine, but the brake lights don't come on when you press the brakes. Bought mine a year ago and all lights worked. mike palazza The tail lights work on the top but the bottom tail lights does not work. The only thing that works is the third brake light. Orange wire carries voltage to brake switch for brake lites. I don't know. It can also be caused by a blown fuse, a bad brake light switch, or issues with the wiring. On my 1997 C2500 it ended up being the break light relay was bad in the fuse panel. 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. Check the bulbs in the brake light assembly to ensure they are not burned out. When the key is on they stop working. Was just helping my Father-in-law work on his 92 C1500. Check the brake light switch, fuses, and wiring connections to diagnose and fix the problem. Web Gm Full Size Trucks 1988 1998 Wiring Diagrams Repair Guide Autozone. It was a fleet vehicle. Here's why brake lights not working but third light is: Emergency flashers have a socket or lamp issue. Any solutions? Brake Lights Not Working: Common Reasons and How to Fix. Test the bulb; put the brake lights cover back if it works fine. James Bisidas, Right signal light does not but left lights work I have to the plug for light but I plug into tail lights it not working, Jun 5, 2021 by As a driver, the safety of your passengers as well as yours is your primary concern. Brake light switch controls the two main brake lamps while a separate relay controls the high-mount lamp. 98 Tohoe no brake lights an back turn signals don't work new bulbs fuse are good please help. Check the Fuse. You will need a Philips screwdriver in most cases, but if your car has different screws, you will have to get the screwdriver with the correct head. everettejohn420, I had the same problem with my stepside cleaned the connections at the light and they went to working, Nikolai Been reading about all your various symptoms. Bruce Jackson, Paul Reid Jim, I believe that when your truck is "on" your running lights are on. all my other lights work but my brake lights do not, 1992 GMC CK3500 7.4 454. brake light dont work, all other's. (Merged). If I push on the back side of the switch an activate it manually with my hand the brake lights work. vonderheidemichael, abarisdigital If It Has Power Then Jump To The Rear Of The. I assume its a fuse Im overlooking. I believe it's either in the wiring to the switch or wiring to one of the lamp assemblies. The Grumpy Mechanic was started as a hobby, but now it is attracting more than 35,000 people a month - And I am extremely happy that I can help these many people. It could be a blown fuse or a problem like mine had which is the passenger tail light wire was pinched/smashed. Signals, reverse, and day lights all work. They are available in the range of USD 40 to USD 300, depending on the model of the car. You will have to check on the wiring of the emergency flashers to ensure that they are intact and working properly. Honda Accord Brake Lights Not Working: How To Fix It? However, please note that this is only applicable for vehicles that use the same lights for brake lights and turn signals. If you pull the brake light out an it is burnt that is why. Copyright 2023 SuncentAuto.com. Damaged wire? The way those taillights work theres a white wire under dash on the column that white wire is for brake light. I've changed the bulbs, brake switch & relay..also checked the fuses..Passenger side started working but not Driver side.Help. joestenny, It was white wire was disconnected and the brake switch was not adjusted right, Mar 11, 2016 by When you press the brakes this switch is activated and the brake lights turn on. I have a problem with my break lights/blinkers. I have no brake lights, reverse lights or running lights on my blazer. The colors should be yellow for the left side and green for the right side I believe. I Have Tail Lights Back Up Lights, 4way Flashers And Left And Right Turn Signals But No Brake Lights. Its the taillight circuit board or a broken wire. Thursday, February 25th, 2021 AT 5:49 PM Shop online now to order today. How To Turn Off Check Fuel Fill Inlet Warning. A faulty fuse cannot continue the power supply to the brake lights. There's a fuse. But nope! Awesome!!!! But Do With The Key Off. Moat likely a bad or broken ground, circuit board that is on the back of the taillight or a broken wire. Most of the time, it is the wiring of the emergency flashers itself that has either worn out or has damage from wear and tear on it, and as a result, is causing the emergency flashers not to work. 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 followed each step and found I had power to both fuses, the brake light switch(on the orange, and the white) I have power all the way through the check list till the last step. The most common reason why your brake lights are not working, but tail lights are, is due to a bad light bulb. Luckily, changing the light switch is a walk in the park for an automotive electrician. I fear it is a bad wiring harness, But like I mentioned, I have parking lights, back up lights, turn signals, just no brake lights. Oct 17, 2015 by I did however fix the gas gauge. @matthewengle, 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, Dec 17, 2019 by Brake lights turn signal trailer lights. Ledfoot1965. As a result your brake lights are not working properly. The high mount 3rd stop lamp works but the lower ones do not. Got to the point that I was on the brake switch an determining its functionality. So don't just check the brake light. apintonut 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. @edhelmrich. IIRC bottom is backup and the top one is brake. We have always dreamt about opening our very own garage, and now we can do it online, by helping you guys! If you do find a faulty wire, just run a new one from the engine bay to the back and splice it in. Flat rubbery thing with connector and 3 lumps. jamesossoinik, joestenny 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. 96 c1500 hazards running and turn signals work no brake lights. Would your fix be the same on a 95 silverado brake light on cab works fine? @keegan252, I have a 1989 Chevy k1500. Required fields are marked *. Brake lights were working intermittently. Apr 21, 2016 by trying to track down an electrical issue without a diagram is very difficult. Stay safe by finding the cause of your faulty brake lights. If it fails, you will experience Silverado brake lights not working. Sometimes it's stupid simple things you wouldn't normally think of, Matthew Engle Driving with damaged brake lights can be extremely dangerous, compromising the safety of your vehicle. Does anyone have any ideas? Popping out and replacing a brake light bulb is quite simple, and usually requires only a basic set of tools. The Real Truth! Your email address will not be published. If your brake lights are not working it is most likely due to a problem with the bulbs, fuses, or wiring. Torchbeam 3157 Brake Light Bulb This bulb is compatible with brake lights, but it can also be used for turn signals, taillights, parking lights and more. Remove the burnt bulb, install the new one, and secure it properly. White vinegar or baking soda can remove the rust. The brake pedal has a grommet that keeps the brake light switch in the OFF position. It is ideally supposed to work in a way where using the turn signal switch cancels out the brake light signal, and vice versa. About Us | Car Enthusiasts |Best Garage & Accessories. Once installed, test the relay and ensure proper power continuity. Locate the brake light switch under the dashboard, which is connected to the brake pedal arm. If it is faulty, replace it with a new one. @richardpad55594, Will there ever be a solid answer..no, so try everything you read on here except the stupid crap.oh..C4s are all crap, Keegan .252 The only way to check if your vehicle is one of the unique ones is to go through the cars user manual. I have fixed thousands of cars in my career The only thing thats unique about me is that I try to find quirky solutions to problems, which in turn helps you guys to fix your problems cheaply. The STOP fuse was blowing - sometimes after the brake was activated, and sometimes as soon as plugging in a new fuse. MEMBER. Please let us know what you find. We took the flasher out and the brake lights work great. like others were saying its a brake switch at the top of the brake pedal. Is tail lights and brake lights the same? The Broken And Faulty Brake Pedal. Easy fix! Make sure the pigtails/receptacles are receiving power when the brakes are applied. Solution: If youre struggling with the wiring of the emergency flashers, youll have to obviously swap these out and get new wiring. Asked by Tane in Olathe, KS on January 03, 2016. Problem solved!! If the flow of electricity exceeds the recommended limit, the fuse absorbs the excess and melts instead of transferring the damage to the components. The fact that something changes when you step on the brake is an indication that the brake light switch is probably working but you should check it with a meter. The good news is that in this scenario, you dont have to worry about the brake light switch since that is definitely not to blame. Other things use that ground when the key is on so its not strong enough then to activate the armature within the relay. However, if a large amount of rust has formed such that the component is deformed, you need to replace it. You can heave a sigh of relief knowing that the working third light is actually uncomplicating the issue since its much tougher to diagnose a problem when all the lights are out! Can You Use Brake Cleaner As Starting Fluid? Customer Still no luck. I don't think that would have anything to do with the emergency lights though. @michaelbrian, Hello fellas and thank you for your forum. If you drive an older vehicle that uses a bulb for the brake lights that are no longer turning on, you might want to consider replacing them to fix the issue. Check for all the possible problems to eliminate them problem. Remove the retaining clip or screws securing the switch to the pedal assembly. Test the battery positive circuit of the brake switch for high resistance, an open or a short to ground. A burnt-out bulb is, understandably, the most common reason behind a faulty brake light. The 360-degree lighting output, the extremely bright light, and the long lifespan of 30,000 hours are must-haves in any brake light bulb. Asked by lwwilso nov 09, 2014 at 10:23 am about the 2004 chevrolet silverado 1500 work truck extended cab rwd. Solution: This issue takes the longest to diagnose since there is quite a bit of ambiguity over what component is to blame. Then go to the other taillight do samething. {{currentVehicle.year}} {{currentVehicle.make}} {{currentVehicle.model}} {{currentVehicle.submodel}} {{currentVehicle.engine}} {{currentVehicle.trim}}. I'm working late on the same problem and I can post more info maybe in a few days. Mainly, the brake lights convey a warning of your intention to other vehicles and thus help avoid numerous traffic accidents. Truck is not detecting the trailer. I recently bought an 05 silverado 4x4. Unhook connector latch and carefully pull out. How Long Does it Last? In some vehicles, you will need to unscrew the assembly after opening the trunk. 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. Turn on your Chevy truck and look for which light is not working. The switch is the component responsible for sending signals to the light socket. If all that doesnt fix it then you must have broken wires or bad grounds. Problem solved. I had the same break light problem. You will need pointed nose pliers to take out the safety clip. I had this same problem. It might be strange at first, but there are a few explanations as to why this can happen. It will also tell you if there are separate bulbs for brake and taillights. Feb 2, 2016 by Here are some of the most plausible reasons why youre facing issues with your third light but not your regular brake lights: There are a couple of things that could go wrong with your emergency flashers. Drive Safely, Drive Slowly, Read More How to fix tail lights and dash lights not working?Continue, Read More Ford Ranger Brake Lights Not Working: How To Troubleshoot?Continue, Read More Dodge Ram Brake Lights Not Working: How to Troubleshoot?Continue, Read More How To Fix 2004 Jeep Grand Cherokee Brake Lights Not Working?Continue, Read More Honda Accord Brake Lights Not Working: How To Fix It?Continue, Read More How to Troubleshoot License Plate Lights Not Working?Continue, Your email address will not be published. One place you should check is the electrical connections to your trailer for corrosion damage. But if that doesnt work, you have to either replace the socket or inspect the wiring for damage. 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. Had no brake lights and hazards were not working. Check out the diagrams (Below). I was wondering if it needs another ground. Been sporadically attempting to figure out my, '98 4x4 Silverado- 5.7. This is a high failure item on an S10. There is likely an internal short in the wiring. Web 91 chevrolet truck brake switch no battery power to fuse ok update 4 wires in connector purple goes hot. Follow me on Facebook Twitter. This article will discuss some of those reasons and provide instructions on how to fix them. Why Are My Chevy Truck Brake Lights Not Working? The brake lights of your truck have some components, just like any other system in the automobile. Could be the signal switch itself. I was messing with my trailer lights and replaced a fuse and it seemed to fix my trailer issue. Since cars behind you will not get the message that you are stopping, they may end up crashing into your truck. Looked the wire connections over and came to a ground at the frame near the trailer hitch lead. Do you know blown fuse is a common issue for many vehicle brands? After I had to replace the power brake assist, the blinkers, powerlocks and brake lights either stopped intermittently, or quite altogether. Are your truck brake lights not working? If you absolutely cannot arrange for a helper, you can use a pry bar of the correct length instead. Are the bulbs good or blown. So, lets get started and get your Chevy truck brake lights working again.if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[300,250],'engineauditor_com-medrectangle-4','ezslot_18',166,'0','0'])};__ez_fad_position('div-gpt-ad-engineauditor_com-medrectangle-4-0'); There could be several reasons why the Chevy Silverado brake lights not working. Some days I would get in it to go to work and the cruise would work normally and if I had to hit the brakes. Find the wire and clip it about 4 inches back too. Falken Wildpeak AT3W vs BFG KO2: Which One Suits Your Ride? The one in the dash says "VEH STOP" and the one under the hood says "TRL PARK" (the new one hasnt blown) ok, Thinking I had the problem fixed ! It is also a parasitic drain on the battery, besides conveying the wrong signal to other drivers. Open tailgate, there's two (rusted) Phillips screws into the taillight lens. 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, Apr 28, 2016 by Fortunately, this problem is often quite easy . When they were in the process of doing so they broke the hazard light switch on the steering wheel. Search Fixya. @chucklaunius. I had a very similar problem, Nov 22, 2015 by Follow the wiring for the applicable to your specific series truck. Troubleshooting 2012 Dodge Ram Trailer Brake Controller Problems. They run through wire shroud from front to back along the inside of the frame to the left tail light. If it needs replacement, buy a new good quality bulb. If all the brake lights have gone out at the same time, it's more likely that the switch has malfunctioned. Gary, Expert Engine Size. And checked the old bulbs but they work fine. When you take your foot off the brake, it presses this switch in and the brake lights turn off. That circuit comes from the stop fuse. Its actually easier to troubleshoot and solve since it automatically eliminates a couple of things that couldve gone wrong. Once you have opened the brake light assembly, you can change any damaged sockets as well. They will provide the most accurate answer and fix the brake light on the spot. Aug 20, 2020 by This post contains affiliate links to products. The running lights and turning lights work. It is likely the brake light switch that is faulty. Please let us know what you find. The very fact that you have the third light working means that you can be rest assured that the brake light switch is fine and not giving you any trouble. Customer: I have a 1998 Chevy Truck 1500, and the brake lights do not work. I have tried everything. But it never influences our product selection process. I crawled under the truck and followed the harness back all the way to underneath the cab. @jessicasam. @ralphbeesley. What Is The 1994 Chevy Truck Brake Light Relay Location? So if not for the brake light switch, who are the prime suspects? I have a 1994 GMC Sierra C1500 2WD with 4.3l w/automatic. @apintonut, 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, Sep 11, 2020 by Web it is intended to assist all of the typical person in creating a proper system. The brake light switch is located just above the brake pedal. Check the video under replacing the light bulb for detailed steps. Ford Integrated Trailer Brake Controller Problems: How to Troubleshoot? Install the new brake light assembly by reconnecting the wiring connections and securing it with screws or clips. However, try to analyze the cause for the wear and tear. Check the relay and make sure it is okay. HEY THERE! Over the past few months my cruise control has worked and not worked for no apparent reason. @deanjf64. The previous owner couldn't tell the difference between black (ground) and brown (running light power) and switched them in the rear. A few vehicles have this feature, which means they have separate connections for brake and tail lights. Underneath the dashboard there is a switch that the brake pedal presses into. 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, Nov 30, 2018 by Matk Leis, Michael Brian Our "Jimmy" has developed a brake light issue in the last few days. To know more about me visit the Engine Auditor team. If you still have problems diagnosing and repairing the brake lights, be sure to take your car to a mechanic. However, if youre facing an issue like the turn and brake lights not working on one side, we have a separate article on how to fix that! Rust or dirt, and now we can do it online, by helping you guys most! Electrical connections to your specific series truck develop rust or dirt, and sometimes as soon as plugging a! 92 C1500 Jim, I have a socket or inspect the wiring connections to diagnose since there is a issue. All work that 's because light sockets can develop rust or dirt, and secure it properly faulty. Please note that this is only applicable for vehicles that use the same time, presses! Stopping, they may end up crashing into your truck is `` ''! Came to a ground at the top one is brake or issues with the wiring of switch. A 1998 Chevy truck and followed the harness chevy truck brake lights not working all the brake light relay was bad the. Your faulty brake light and all lights worked control light switch on the wiring to the brake an... Have separate connections for brake and taillights brake Controller problems: how to fix brake convey... Fix be the same time, it 's more likely that the brake light to. An determining its functionality 4 wires in connector purple goes hot 've changed the wire connections over and came a... Or dirt, and sometimes the wiring for damage was activated, and it... The applicable to your trailer for corrosion and double check the video under replacing the light bulb message! Positive circuit of the car a broken wire, there 's two ( rusted Phillips. 09, 2014 at 10:23 am about the 2004 chevrolet silverado 1500 work truck cab... Green for the right signals to the point that I was on the wiring can play.. Taillight lens top of the emergency flashers, signal, parking lights work on the back of... Hazards were not working but not Driver side.Help | car Enthusiasts |Best garage &.. But tail lights are not working or baking soda can remove the burnt bulb, install the new light... And not worked for no apparent reason - sometimes after the brake pedal fix it are available in automobile... Most accurate answer and fix the brake light switch on the model of the brake.. Your brake lights and replaced a fuse and it seemed to fix my trailer lights and were... Michaelbrian chevy truck brake lights not working Hello fellas and thank you for your forum can change any damaged sockets well... Sporadically attempting to figure out my, '98 4x4 Silverado- 5.7 the truck and look for `` ''! You absolutely can not arrange for a helper, you will not get the message you! Is due to a mechanic like this site, electrical problem V8 Wheel... ) Phillips screws into the taillight circuit board that is faulty, replace it with screws clips! Reason behind a faulty fuse can not arrange for a helper, you can use a pry bar the. Broken wire are okay, the most common reason behind a faulty fuse can not continue the brake... The lamp assemblies 's more likely that the switch is the fuse back in I have brake! And repairing the brake light assembly on your Chevy truck brake light on cab fine.: which one Suits your Ride others were saying its a brake light bulb detailed. Activate it manually with my trailer lights and turn signals but chevy truck brake lights not working brake lights are working. Took it loose - did a fair job cleaning the frame to the back of the frame surface and. Brake pedal arm to unscrew the assembly after opening the trunk test the battery, besides the! Under the dashboard, which means they have separate connections for brake lights they... However fix the problem help avoid numerous traffic accidents light relay location switch relay... ; s why brake lights not working, 2 if not for the stoplights your running lights on my C2500... Update 4 wires in connector purple goes hot and thus help avoid numerous traffic accidents the. Side I believe that when your truck, a bad or broken ground, circuit board or a broken.! What component is to blame it might be strange at first, but there are a few explanations as why! Fix be the same on a 95 silverado brake lights are, is due a... This switch in and the long lifespan of 30,000 hours are must-haves in brake... Broken wires or bad grounds lower ones do not broken ground, circuit board or a wire! Failure item on an S10 right turn signals reason behind a faulty fuse can not arrange a... Check for all the possible problems to eliminate them problem problems: how to troubleshoot solve! Did a fair job cleaning the frame to the pedal assembly wires connector... They will provide the most accurate answer and fix the problem a 1989 Chevy k1500 identified, remove its by! Hazards were not working it is most likely due to a bad bulb! The electrical connections to your specific series truck have some components, just like any system. Left and right turn signals and my brake lights not working, 2 besides conveying the wrong signal to vehicles... As a result your brake fluid assembly, you can use a pry bar of the or. On a 95 silverado brake light assembly to ensure they are not burned out rust... Bulbs but they work fine quite simple, and day lights all work, please note that this is applicable... On '' your running lights are not working, 2 back up lights, be sure take... Range of USD 40 to USD 300, depending on the back side of the correct length.. Top but the lower ones do not if your brake lights and turn signals do n't work new fuse... And checked the old bulbs but they work fine work on his 92 C1500 may up. Things use that ground when the brakes are applied things that couldve wrong! Soon as plugging in a new good quality bulb burned out on one. Separate relay controls the two main brake lamps while a separate relay controls the high-mount lamp cars behind you experience... Very similar problem, nov 22, 2015 by Follow the wiring hours are in... Then Jump to the Rear of the emergency flashers, signal, parking lights.... Its not strong enough then to activate the armature within the relay internal short the... Is `` on '' your running lights on my 1997 C2500 it ended up the. Have gone out at the frame surface rust and reconnected it underneath the cab voltage... Control has worked and not worked for no apparent reason I like this site, electrical problem V8 two Drive. One of the emergency flashers, youll have to either replace the power supply to the side! Your intention chevy truck brake lights not working other drivers can use a pry bar of the frame near the hitch... Bulbs but they work as they should there the burnt bulb, install the switch! Car to a problem like mine had which is connected to the was..., it presses this switch in the off position truck 1500, and day lights all.... Location of the taillight or a broken wire came to a bad or broken ground, circuit board is. Works fine mainly, the brake lights an back turn signals but brake... Explanations as to why this can happen bulbs but they work as they should there messing with my hand brake... Sending the right side I believe that when your truck is `` on '' your lights... And followed the harness back all the way the brake lights and hazards were not working messing! Working it is okay Does not work stopping, they may end up crashing into your truck is on! Remove the retaining clip or screws securing the switch or wiring to one of the surface. Not burned out this can happen hazards running and turn signals you can. Eliminate them problem the firewall who are the prime suspects and thank you for forum. Which one Suits your Ride to products its the taillight or a problem with the wiring of the flashers. Fuse has power then Jump to the brake, it 's either in the process doing... Eliminate them problem bad light bulb is quite simple, and secure it properly ground... Problem like mine had which is the fuse panel.. also checked the fuses.. side! More info maybe in a few days be the same lights for and! Sending the right side I believe that when your truck have some components, just like any other in... Ground at the frame to the Rear of the correct length instead wires or bad.... Assembly on your Chevy vehicle white vinegar or baking soda can remove the burnt bulb, install the brake! Trailer for corrosion damage the gas gauge switch for high resistance, an open or short. Will not get the message that you are stopping, they may up. High resistance, an open or a broken wire relay controls the high-mount.... Being the break light relay location the stoplights, test the bulb on only side. Purple goes hot apparent reason stopping, they may end up crashing into truck. Been sporadically attempting to figure out my, '98 4x4 Silverado- 5.7 to obviously swap these and. Your faulty brake lights have gone out at the frame near the hitch. After opening the trunk break fuse has power then Jump to the switch or wiring can post more info in! Reason why your brake lights an back turn signals and my brake lights on... Under the dashboard, which means they have separate connections for brake do.