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. 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. Reaching into the small space may require some gymnastics on your part unless you are a small person. So the frame was working as a power source.but only when the headlight/ running light circuit was on. On my 1997 C2500 it ended up being the break light relay was bad in the fuse panel. The third brake light works, located at the top above the rear glass. I believe it's either in the wiring to the switch or wiring to one of the lamp assemblies. Brand new brake light switch. Aug 8, 2015 by At some point the power is not getting from point A to point B. 4. So, off to the store to get a flasher. About Us | Car Enthusiasts |Best Garage & Accessories. Bruce Jackson, Paul Reid When you take your foot off the brake, it presses this switch in and the brake lights turn off. How To Turn Off Check Fuel Fill Inlet Warning. You may find it repaired, but it is better to replace the assembly. It is probably your fuse relay swithch underneath the hood toward the driver side. I think on most C/K 1500/2500 it is on the brake pedal arm or the arm hits it. @michaelbrian, Hello fellas and thank you for your forum. Remove the burnt bulb, install the new one, and secure it properly. 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. Orange wire carries voltage to brake switch for brake lites. When you press the brake pedal, the light turns on, and it must turn off when you release it. I was pulling on the turn signal module because it's mentioned in a thread on this site, and another I saw earlier. Does Diesel Fuel Go Bad? I was messing with my trailer lights and replaced a fuse and it seemed to fix my trailer issue. Test the BPPS using a multimeter to determine if it is functioning correctly. But when I put the fuse back in I have no turn signals and my brake lights don't work. HIGHTEC1. The brake pedal has a grommet that keeps the brake light switch in the OFF position. Seems like you have some broken wires along the frame wing should go up driverside frame rail. All the lights are good. When you take your foot off the brake, it presses this switch in and the brake lights turn off. You can also check online forums and learn more about your vehicle. A faulty control light switch could also be to blame. mike palazza Had no brake lights and hazards were not working. 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. If the center high brake light and the trailer brake lights work, check the wiring in & around the rear cross member between the spare tire and the bumper. 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? Customer: I have a 1998 Chevy Truck 1500, and the brake lights do not work. Cant Build Pressure When Bleeding Brakes: How to Troubleshoot? The inside of the brake light switch can wear out from the . If I push on the back side of the switch an activate it manually with my hand the brake lights work. Find the wire and clip it about 4 inches back too. You may need new circuit boards. 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. Was just helping my Father-in-law work on his 92 C1500. 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, Kelvin Jordan Hey there! Take off the lenses and see what your bulbs themselves are doing. Other things use that ground when the key is on so its not strong enough then to activate the armature within the relay. If you are looking for the best LED brake light bulbs in the market, you have come to the right place. Brake lights were working intermittently. Over the past few months my cruise control has worked and not worked for no apparent reason. Brake light switch controls the two main brake lamps while a separate relay controls the high-mount lamp. Turn signals work, hazards work, running lights work. Driving with damaged brake lights can be extremely dangerous, compromising the safety of your vehicle. So it is a must to ensure the relay is okay; otherwise, your problem will remain to exist. Check the bulbs in the brake light assembly to ensure they are not burned out. 1. 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! But no brake light comes. @mikie543. Many people face issues with their brake lights and this generally includes the third light as well. To test the fuse more accurately, use a voltage test light to touch the tiny exposed contacts on the top of the fuse. 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 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. The brake pedal position sensor is responsible for sending a message to the brake lights to turn one when you press the brake. Also when you replace the battery get the highest cranking amp one that Will fit. Do the lights dim sleightly when you press the brakes? This article will discuss some of those reasons and provide instructions on how to fix them. Sep 3, 2015 by 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. Jessica 2017 chevy silverado third brake lights; See what's going on in the bed of your truck. If this grommet disintegrates and falls out, it could also cause the lights to stay ON constantly. Follow me on Facebook Twitter. Also check the turn signals. Check the turn signal switch, the brake lights go through this switch. 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. If you require help in disassembling anything, you can talk to a mechanic from any local garage. I assume its a fuse Im overlooking. We Have Tested Fuses And They Are Good! Solution: Whats happening is that the turn-signal switch which has gone bad is now affecting the brake light switch even though it technically shouldnt be. I have replaced all the bulbs, fuses, brake switch and even the brake light circuit boards. I tried checking the fuse under the hood and on side of the door. 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. Once you have opened the brake light assembly, you can change any damaged sockets as well. I have a 5 pin from the harness to a 7pin adapter (new and old adapter have been tried). I have been fighting a taillight issue for 2 days. Coincidentally, both the lower brake light bulbs may have burnt out together, so do check the bulbs. I have a 1988 chevrolet c1500, my dash lights won't work, speed therm won't work, more my single, are brake lights, my head light's work, and my internal work also,what do I need to do? It's actually easier to troubleshoot and solve since it automatically eliminates a couple of things that could've gone wrong. The brake light relay on a 1994 Chevy truck is in the underhood fuse/relay center. @jessicasam. Copyright 2023 SuncentAuto.com. If it is faulty, replace it with a new one. Install the new brake light assembly by reconnecting the wiring connections and securing it with screws or clips. @bryanmcnally. The clear case around the flasher had broken and the copper was resting on some other ground point. 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. Shop for New Auto Parts at 1AAuto.com http://1aau.to/c/17/eb/tail-light-assembliesWhat should you do when you find out one or more of your brake lights is ou. Jim, common problem. 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. I Have Tail Lights Back Up Lights, 4way Flashers And Left And Right Turn Signals But No Brake Lights. After I had to replace the power brake assist, the blinkers, powerlocks and brake lights either stopped intermittently, or quite altogether. Do your turn signals work? But driver side turn sig DID work. A few vehicles have this feature, which means they have separate connections for brake and tail lights. In some vehicles, you will need to unscrew the assembly after opening the trunk. Where are the turn signal and flasher module located. I'm posting this because no one posted the right answer yet. joestenny, It was white wire was disconnected and the brake switch was not adjusted right, Mar 11, 2016 by 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. 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 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 ! However, in some cases, the vehicle has dedicated fuses for each side of the taillights. Pay later or over time with affirm. You can replace the bulbs with. So, the reasons behind the brake lights not working while the tail lights are working could be due to: v Bad light bulb v Faulty wiring v Blown fuse v Malfunctioning socket v Faulty turn signal switch v Faulty brake light switch I have a 1994 GMC Sierra C1500 2WD with 4.3l w/automatic. It will lead to the bulbs wearing out and burning faster. Ford Integrated Trailer Brake Controller Problems: How to Troubleshoot? After youve narrowed down your decision, however replacing the fuse is the easy part. 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