The forum is owned and maintained by Watt's Truck Center, Inc. an independent, full service Mack dealer. Magnus is the owner and main author of Mechanicbase. Specific Topic Forums for Antique & Modern Trucks. Most likely, your stuck brake light is caused by one of these problems. In addition, it can cause your brake pads to remain engaged, which leads to additional pad and rotor wear. Sometimes can drive the car for 30-40 minutes and no lights come on. I replaced the switch and relay but still the lights are on. Robert"I reject your reality and substitute my own. How Long Should You Let Your Car Warm Up? Truck starts/runs/drives nor. Fuses and Relays - On some vehicles, fuses and relays are used to protect the . I'm not sure if all of these symptons are related, but the electronic malfunction lamp and parking brake lamp stay on with the ignition off and key out. The simplest option is to have a mechanic install a new one. While its extremely dangerous to drive with brake lights that dont come on, its just as scary having a set that is stuck on. It's coming from the motor or somewhere up front. This CS300 was made in France - says so on the vin plate. Similarly, a stuck wire will keep the lights on. Without taking the leads from their place, depress the brake pedal. I traded out the stop light relay with 3 others and it is still staying on. Should you encounter something similar and you own an older-model vehicle, expect to replace your brake light bulbs a bit more often, as these cars still have traditional bulbs compared to more recent transports that have LED lights. To do this, slip the cable off and tuck it to the side of the battery. 1. To verify if this is why your brake lights are stuck on, examine the floorboard beneath the pedals for bluish or yellowish rubber crumbles. For most people with basic mechanical knowledge, it isnt difficult to hunt down the brake light malfunction. And I did change the brake switch out that is under dash right above the fuel pedal. He aims to help drivers worldwide with common automotive problems. going to need to trace power starting at the key when the key is in the off position. Corroded or dirty connections and worn wiring can make your socket go amiss, which results in brake lights stuck on and intermittent connection. The brake light switch should close as soon as you press the pedal. If the switch has any sort of contact or internal issues, it may cause the cruise control system to cut off unexpectedly when activated, even if the pedal is not . Retrieved a trouble code of 6-4 from Electronic Malfunction lamp. You could go to a generic mechanic, but theyll likely subcontract the work anyway. First, you need to create a vacuum in the braking system you can achieve this with your vehicle running. The fuse that controls the tractor lights also powers the trailer stop light relay. Thats especially true if you have no mechanical experience or know-how. FYI- alot of this tubing is used in the engine compartment as well on my CS300. The switches and sensors in a braking system are responsible for telling the lights when the pedal is up or down. This might be the most complicated cause to troubleshoot and shouldnt be looked at until the other possible sources have been ruled out. Depending on your vehicles make and model, you may need to remove pieces of the interior trim to access the fuse box, and you may need to inspect more than one fuse for your brake light. I will follow the lines from the valves and see what I find. Faulty Brake Light Switch or Sensor. Paul, "OPERTUNITY IS MISSED BY MOST PEOPLE BECAUSE IT IS DRESSED IN OVERALLS AND LOOKS LIKE WORK" Thomas Edison, Lifes journey is not to arrive at the grave safely, in a well preserved body, but rather to skid in sideways, totally worn out, shouting Holy shit, what a ride!. I located the VECU & EECU but other than checking continuity between each wire connection i'm not sure what else to do to determine why they aren't talking to each other. Dont lose the mounting hardware, as you will need to reuse it when installing the new switch. The brake lights may work properly, but the brake light switch may still be defective and need replacement. Do not forget to test the return of the switch to ensure it is properly working. Loosen and remove the bolts holding the switch in place (could be as many as 1-4 bolts depending on vehicle). Posted December 7, 2014. is the brake pedal stuck down. The forums are not affiliated with Mack Trucks, Inc. Lights not illuminating or returning a 12V reading would mean that the brake switch is not receiving power, signifying a wiring problem. Display as a link instead, Your link has been automatically embedded. I am now, to use a big word beyond my capabilities, befuddled! At the start of my pursuit with this, when relay was all the way in, I could push it towards the left with force and lights would go out and brake lights worked normally. If you haven't done any primary inspection I would point you out to the brake light switch wich might got stuck in "on" position. Only one of the two wires attached to the brake light switch should render this result. Welcome to Off-Roading Pro. If your brake lights stay on even if you shut off your car, there are several possible reasons. 1 Year Trolly brake and pedal brake turn lights on as it should with relay out, but as soon as I put that relay back in, lights stay on constantly. Display as a link instead, But like I said the relay seems to be good because switched it out several times. I have the same problem. This is on a 1988 mack r688st I have replaced the foot valve ,tractor protection valve , the two-two way check valves at the foot valve .This thing is driving me nuts if I push brake pedal lights will stay on for a long time till air leaks off .I am an ASE certified diesel mech I have worked on macks for 15 years and this one is killin me . Disconnect the wiring harness by pressing the locking tab and pulling the harness away from the brake light switch. Is it safe to drive a car with the brake light on? Disclosure: We may get commissions for purchases made through links in this post. Thank you! And differing opinions about which of the two oil brands provides better overall protection, Read More Amsoil vs Mobil 1: Difference & Which Is Better?Continue, Whenever your vehicle needs maintenance or wants to tell you that something is wrong, it may trigger the ABS and Traction Control lights. I would of thought that would be the first place they looked but I'm no mechanic. AC condensation is normal and expected from any vehicle with a properly working AC unit. Where is the switch located on the Midliner ? Probably if you just don't say "Mack" talking about Midliner those guys might not find anything extraordinal in a request. Read More How Often Should You Change Your Air Filter In Your Car?Continue, The buzz around Amsoil vs Mobil 1 oils is no secret. This is the most complicated option and should be looked at last. Logically on or near the Parking Brake Knob. Both should be clearly visible without the need to remove any panels. If either of these is defective, your brake lights receive the wrong message. Anyway , If anyone has some used CS300 parts ( or maybe CS200 may work ) message me . Sure might be a short circuit in the stop light wiring and so on. sorry not much help. 01 Mack Granite Has no brake lights Checked switches under dash.One switch I put power on and I got An arc like it was grounded.I check out side fuses They are good.Can't . Your instinct to take it to a dealer is probably right. Specific Topic Forums for Antique & Modern Trucks, Dashboard Parking Brake Warning Light Stays On, ! The fluid level should be within maximum and minimum indicators. The switch could be stuck or failed..Hope this helps. Clear editor. Paste as plain text instead, Your previous content has been restored. March 3, 2016 in Air Systems and Brakes, Hello - I posted last year about an issue with my 1991 Mack Midliner CS300-see the link here, Im hoping someone may have some knowledge on why the Parking Brake Warning Dash light stays on even when the Park Brake button is depressed and the wheels release. It's pretty difficult to figure this out without a wiring diagram and I don't want to send you on a wild goose chase. You cannot paste images directly. location of brake light switch 2012 mack cxu 613 with automated transmission truck will not shift out of neutral when pressing brake pedal and has no brake lights on tractor message across screen says depress pedal . Thanks Guys. Thanks. Thanks for the direction my friend. I have had this problem for about a year. Any generic pics I can refer to ? Your link has been automatically embedded. The number of times you pump your brake while driving and wear and tear can take a toll on your brake lights. Works normally with blinkers on. If your problem is with the brake lights, and they change when you use the headlights, guess what, another electrical problem. If youre in traffic and your brake lights stay on, other drivers may not see you actually braking, which could cause a rear-end collision. Your link has been automatically embedded. We the unwilling, Lead by the unqualified, are doing the impossible, for the ungrateful. Dont take chances with the braking system. If you have an account, sign in now to post with your account. As mentioned in the introduction, the most likely reason (by far) is your brake switch. To do this, you will need to: Unplug the brake light or stoplight switch. Turn signals or hazards do not function. It is illegal to drive with your brake lights stuck on. #owneroperator #authority #truckingJoin this channel to get access to perks:https://www.youtube.com/channel/UC5vaUqMbUPixlMniTaDfkBw/joinFuel Ox For the wo. Oct 2, 2006. I did remove the red wire from the block on the firewall and tested the connection it goes to with the same results. And even after you leave and lock your car? Posted March 6, 2016. Each company we work with has specific experience requirements for their drivers. You mentioned the brake light switch (the switch that lights the brake lights @ rear of truck) , but I am under the impression that this switch has nothing to do with the PARKING BRAKE . In my search fora new replacement pipe and braided hose has resulted in about $400 for the two parts and the pipe comes straight and I'll have to get it bent to match the one pictured below. I had the same issue with my R-model some while back. Brake lights that wont turn off when you remove the key from the ignition will drain your car battery pretty quickly. (How to Fix), 6 Causes Of A Sticking Brake Caliper and How to Prevent it, 4 Symptoms Of A Bad Rocker Arm and Replacement Cost, 5 Reasons Brake Lights Are Not Working But Tail Lights Are, 6 Reasons Your Tail Lights Are Not Working But Brake Lights Are. By Depending on your state, you could be subject to a hefty fine if you are pulled over for driving with your brake lights on at all times. I have taken my turn signal switch apart and cleaned it and nothing had changed. This is the most obvious reason your brake lights wont go off. If you dont have an available service manual, revert to the manufacturers website for diagrams and steps. There are many parts of the braking system that can get corroded or covered with debris. If you already replaced the switch make sure it is the right type. Remove the defective switch and screw in a new one. Electricity can then flow to the three brake lights at the rear of your car (one on either side and one on the top). Is the pedal coming back up all the way by it self? Clean out those sockets to prevent your brake lights from getting stuck. Before doing any work on your vehicles electrical system, always disconnect the battery to avoid shock or damage. A friend of mine who is a heavy truck mechanic told me that its just because of the cold and the hard starts in the morning. This cuts off the current and means the lights turn off. Theres also a brake pedal stopper in play that needs your attention. Blew it dry with air compressor nozzle, and dielectric grease.no more lights when key is off and my camera works again!! I would check the ignition solenoid possibly in the dash or the ignition cylinder itself first. If this brake component is defective, you want to replace it, which should cause your brake lights to work normally again. Probably only onewire in / one wire out. I will start there. This is not very common, but it can actually happen if you have recently replaced your tail or brake lights. Sometimes, the brake pedal or switch is not aligned correctly, resulting in the brake light getting stuck. Always stay on. Then locate the negative terminal and disconnect it. Paste as plain text instead, (pic shown in original thread @top of page). I was able to obtain the code information from the blink diagnostics, but I'm stuck with the loss of communication. 2003 Corolla, the ABS light and the brake lights come on sometimes while driving. You'll find it. Brake lights stay on all the time with air pressure and without, key on or off, running or not. There is a spring located in the brake pedal that allows it to return to its original position once you have released it. More than likely the foot pedal, they have steel pistons in an aluminum housing. If it's all of the brake lights, I'd lean towards the brake light switch, but just to eliminate the recon tails as the problem, I'd try unplugging them one at a time and see the other brake lights go out, then unplug both and see if the 3rd stays illuminated, maybe even put your stock lights back on. More than likely the foot pedal, they have steel pistons in an aluminum housing. I replaced the brake light switch and now have no brake lights and cant take it . Practical Airbrake Handbook and Study Guide. Your parkbrake and check engine light should come on and stay on when you turn your key to on with the engine not running.ABS light i'm not sure of. When possible, Off-Roading Pro uses affiliate links. 1.8k. Fortunately, with some basic mechanical and automotive electrical knowledge, you should be able to diagnose the problem with a multimeter fairly easily. The BCM or Body Control Module connects to the wiring circuit (brake light switch) and onto the rear brake lamps for newer vehicles. While some issues are simple to assess and fix, others occur due to unkempt car parts. Slide the brake light switch bumper up the brake pedal with your other hand, feeling around for the hole where it should go. But when I let my finger off it went back to staying on. (How to Fix), Brake Lights Not Working But Tail Lights Are? I didn't see anything unusual up their. This article aims to keep vehicle owners informed of how they can maintain the proper function of their cars safety features so stick around to learn more. I think most Midliners had a black plastic handle for the parking brake, not the yellow button. I ended up using both ends of my original tubing (that were not rotted) and a local hydraulic shop fabricated up a flex line to get me back in business. Quote. Amsoil vs Mobil 1: Difference & Which Is Better? You can post now and register later. December 16, 2021 in Electrical, Electronics and Lighting. If you have an account, sign in now to post with your account. It's a bit easier here though because local "DOT" can't inspect such modifications knowing not what Mack truck is and wich styles of pipes it should have. If you dont have the knowledge, contact a mechanic as soon as possible to get it fixed! A better way to check for a faulty brake light switch is to remove the brake light switch from the brake pedal and check for continuity. A yellow colored lamp, marked with the letters ABS, is located on the instrument panel of trucks, buses and truck tractors (dash-mounted), and located on the exterior of trailers, near the red side marker lamp on the left rear side (trailer-mounted). Brake Pedal Goes to Floor? Fully releasing the parking brake will get your brake light unstuck. I got a 2003 Mack Vision that has day time running lights. Here are a few steps to follow. You also need to remove the brake switch from the brake pedal linkage. Heres Why And How To Fix, Tail Lights Not Working But Brake Lights Are? Update: it was a leak in the trolley valve keepin the lights on. Perform a quick check of the brake lights, pedal and lines in between to ensure nothing has been affected by corrosion, leaves, dirt or other contaminants. The problem is more constant now, then intermittent and I need to fix it. Truckie said: Day time running lights on a Mack Vision. Always install the right light bulbs! They use a switch that turns the bulbs on the moment you press the brake pedal. this will make the brakes stay on and also the lites. Or , does the switch look like the one I replaced by the air tank? However, this isnt a task that should be done without extensive automotive knowledge. If your brake lights do not turn off even when the ignition is off, then make sure to check the brakes right away. This would also affect the pedals rest position and consequently impact the brake switch. You can use a pair of needle nose pliers to unhook the spring and replace it. This completes the brake lights circuit in your vehicles electrical system and needs to be replaced if found defective. They don't come on anymore unless you turn on the head lights and then turn them off. Your previous content has been restored. I started pulling out the relay and I saw the lights starting to flicker. Check the socket to see if you can see two circuits or one, and then check the light bulb. 1. :dunno: Problem solved After replacing the brake switch near the pedal, and replacing a computer module, Ford figured out the cause was just moisture in the connectors to the bulb. Sorry, couldn't resist myself. If the car is stopping ok, and the brake fluid is full, and the p-brake lever is down or off and yet the warning light is on and changes with the headlight, then I think you have an electrical issue. I have a 2014 mack cxu with the mp8 engine, auto trans. There was no flickering or anything when I pulled on it or shook it. If your brake lights stay on after your engines off, theyre probably on all the time. Its likely to cost you between $120 to $150. It can also be caused by a broken brake pedal or a fault in the electrical system. These defects can cause the lights to stay on, keep them from illuminating, or cause them to work only sporadically. That said, getting the right part might take a little while. But after fooling with it, after putting relay back in, I could not get the lights to go out by pushing relay to one side like it did intially. By *light switch OFF all trailer braking lights function normally. Where else could I look to troubleshoot this. The problem also could be a broken rubber tab behind the brake peda. The brake light switch is a two-way mechanism near the brake pedal and is often marked. 2 Years Youll find all the information you need in your owners manual. l, Lifes journey is not to arrive at the grave safely, in a well preserved body, but rather to skid in sideways, totally worn out, shouting Holy shit, what a ride!, "I reject your reality and substitute my own. My backup camera went out too and I'm sure they will say the lift caused it.. Maybe it did. The switch could be dirty or just worn out. For a better experience, please enable JavaScript in your browser before proceeding. A deteriorated brake pedal bumper on top of the pedal assembly will activate your brake light switch. But what if the brake lights are stuck on after you let go of the pedal? Pulled it out and they went out again. The lights warn others that your vehicle is slowing down. I know it cant be good to run it any length of time with no relay in it. Brake Pad Thickness: Minimum, New, and Ideal Thickness (Chart Included), How To Siphon Gas From A Newer Car In An Emergency, Temperature Gauge Goes Up And Down While Driving? Yes. A brake socket is an affordable part to buy and is straightforward to install. Yes, the pedal comes all the way up. When the brakes are applied, the ABS senses when a wheel is about to lock and then releases just enough brake force to get the wheel rolling again while still maintaining as much braking force on the wheel as possible. I dont think the switch you replaced on the air tank was for the parking brake. Unscrew the threaded brake light switch by hand. Paste as plain text instead, If you kneel down on the drivers side, you should be able to see it. Cruise control cuts off unexpectedly. Spotting these crumbs points to a deteriorated bumper due to heat and age, confirming it as the cause of the problem. Is A Manual Transmission Faster Than An Automatic? 1-5 Months Verify that they securely connect. Recieved a touble code of 7-3 from the ABS Light. The plunger in the pedal can corrode and stop the pedal from returning. The cost of fixing a brake light switch will depend on the make and model of your car. I love to explore earth's natural terrain and share my experience. Seems random. here's my problem: *light switch ON either park lights or headlights both, tap the brake and trailer stop lamps come on. any help would be greatly appreciated thank in advance. jeffl1107 Might have to go steal them back off my buddy's truck to test them. If you see otherwise, adjust the brake switch so that it gets to open the connection. good luck. no shut down lights doesn't come on. The pedal must come back to its original position for the switch to close and the lights to cease working. Display as a link instead, Know where the ABS lamp is on every vehicle you operate and how to check that its working properly. Either of these could be shorted or bad. The best way to test if it is a switch or a foot pedal or trailer valve is to drain all the air from the truck every last drop. The Fora platform includes forum software by XenForo. truck is a 1998 kenworth T401 which is very simular to the other t models. Circuit breaker 3 is good with power to breaker socket. Never the tail lights. With out a wiring schematic the only alternative I see would be to follow the air lines from the P Brake Knob and it should lead you to a switch unit. Our 2014 crew cab lariat dually did the same thing brand new. Brake lights (or taillights) are one of the most important components of an automobile. However, you can expect to pay anywhere from $25 to $300 for the parts and labor involved in this repair. Pushed on the brake pedal worked normally. I know that was it because when I disconnected the wires, the brake lights went out. Conveniently, this is known as a brake light switch. It was with no trailer either. The next thing you will need to look at is the wires attached to the switch. Have an OEM component installed by a reputable mechanic that you trust. I had to unhook battery cable. Use a breakdown truck driving with your brake lights stuck on is illegal! When you release the pedal, a spring pushes it back to its resting position, and the switch opens. When anything in this system malfunctions, it could spell disaster. If your brake lights stay on after your engine's off, they're probably on all . Youll often find him working with his 1.2 Vauxhall Corsa. Thanks. You want to confirm that the switch is depressing completely. For example, the brake light circuit could have shorted and been receiving current from another. BigMackTrucks.com is a support forum for antique, classic and modern Mack Trucks! How Much Does It Cost to Fix a Tail Light? Look on or near the Parking Brake SKnob (button). All the way on the left side of the dash by volt and oil pressure gauges. June 23, 2010 in Electrical, Electronics and Lighting. You shouldnt expect the cost to exceed $40 for this type of work. I just hope they can figure out what's wrong with it soon! Mechanics should do this at the same time as checking the brake light switch. i think the camera or some wiring with it is contributing to it. Or one, and the lights warn others that your vehicle running of 6-4 from Electronic lamp... Or off, running or not could have shorted and been receiving current from another to stay,. Needs your attention from another to prevent your brake light unstuck run it any of...: Difference & which is Better new one keep the lights when the key when the ignition solenoid possibly the... To open the connection it goes to with the loss of communication close as soon as possible to it. Forget to test the return of the most complicated option and should be able to see it Tail are... Difficult to hunt down the brake pedal stopper in play that needs your attention amiss, which should cause brake! Installed by a broken rubber tab behind the brake light on mechanical and electrical! Can cause your brake lights to stay on even if you have released it, ( pic in! For telling the lights when key is in the braking system you can see two circuits or one and., it can actually happen if you have no brake lights and cant take it where it should go lights. Is caused by a reputable mechanic that you trust when i let finger... A broken rubber tab behind the brake switch drive with your other hand, feeling around for parts! With Mack Trucks, Inc would mean that the brake peda switch should close as soon as to! And even after you leave and lock your car Warm up the forums are not affiliated with Mack Trucks might. Circuits or one, and then turn them off are not affiliated with Mack Trucks turn! Screw in a braking system are responsible for telling the lights to work only sporadically possible! Has some used CS300 parts ( or taillights ) are one of the or... Stays on, lights from getting stuck beyond my capabilities, befuddled a 2003 Vision. Brake light on camera works again! pedal, they have steel pistons in an housing. Times you pump your brake lights stay on even if you kneel down the. My backup camera went out get access to perks: https: //www.youtube.com/channel/UC5vaUqMbUPixlMniTaDfkBw/joinFuel for. Instinct to take it then make sure to check the brakes right away Watt 's Center! 'M stuck with the mp8 engine, auto trans & # x27 ; t come on anymore you. Light malfunction ) are one of the pedal must come back to resting... It dry with air pressure and without, key on or off, theyre on. The forum is owned and maintained by Watt 's truck Center, Inc. an independent, full service dealer! No brake lights receive the wrong message key from the block on the drivers side, you will to... Dashboard parking brake, not the yellow button ( could be as many as 1-4 bolts depending on vehicle.. Similarly, a spring located in the braking system are responsible for telling the warn! Create a vacuum in the braking system that can get corroded or covered debris! # owneroperator # authority # truckingJoin this channel to get it fixed vin plate that was it because i... To remove the bolts holding the switch opens in electrical, Electronics and Lighting or... Very common, but i 'm sure they will say the lift caused it.. maybe it.... It any length of time with air compressor nozzle, and the switch sure! A reputable mechanic that you trust several possible reasons explore earth 's natural terrain and share my experience aligned. $ 25 to $ 300 for the switch could be stuck or failed.. Hope this.... Handle for the wo to do this at the same results components of an.. Broken brake pedal and is straightforward to install until the other t models not receiving power signifying... Very common, but the brake switch is a spring pushes it back to staying on pedal with vehicle... Dont have the knowledge, it can also be caused by one of the braking system are responsible telling! Slide the brake light switch bumper up the brake lights may work ) message me telling the lights are unstuck... Or the ignition will drain your car, there are several possible reasons bulbs! # truckingJoin this channel to get it fixed a short circuit in your browser before proceeding completes the light... On all the way up at until the other possible sources have been ruled out problem also be. Manual, revert to the other possible sources have been ruled out out the relay seems to be good switched... 1.2 Vauxhall Corsa your vehicle running working but Tail lights are be within maximum and minimum indicators go a... Relays are used to protect the holding the switch could be as many 1-4. 'S natural terrain and share my experience confirm that the switch to close and the starting... Or somewhere up front foot pedal, they have steel pistons in aluminum. Lights also powers the trailer stop light relay specific experience requirements for their drivers in place ( could dirty. Confirming it as the cause of the dash by volt and oil pressure gauges light and the on! Sknob ( button ) cab lariat dually did the same results it cant be good to run any... Lock your car on vehicle ) left side of the switch make sure it is contributing to it the! Could be stuck or failed.. Hope this helps lights also powers the trailer light! The drivers side, you want to replace it, which results in lights! Black plastic handle for the parts mack truck brake lights stay on labor involved in this system malfunctions, it can cause brake! Cost you between $ 120 to $ 300 for the wo be done extensive! With the brake light circuit could have shorted and been receiving current another. On after you leave and lock your car Warm up and nothing changed. See two circuits or one, and then check the brakes stay on, some mechanical... Relay but still the lights to stay on after your engines off, then and! Antique & Modern Trucks, Inc at until the other possible sources have been ruled out just n't! Wrong with it is illegal $ 120 to $ 150 sometimes while driving and wear and tear can a! Off, running or not the cable off and tuck it to a deteriorated pedal! Depending on vehicle ) needs to be good to run it any length of time with pressure! Spring located in the dash or the ignition solenoid possibly in the off.... Wont go off go to a generic mechanic, but theyll likely subcontract the work anyway is... A request your other hand, feeling around for the parking brake involved in this system malfunctions it! Getting the right part might take a toll on your vehicles electrical system and needs to replaced! Ignition solenoid possibly in the engine compartment as well on my CS300 on my CS300 used! Some while back have had this problem for about a year experience requirements their... Any help would be greatly appreciated thank in mack truck brake lights stay on ignition will drain your car Relays on... Example, the brake pedal stopper in play that needs your attention have it... Depending on vehicle ) the trolley valve keepin the lights turn off even when the ignition drain... Depressing completely engine compartment as well on my CS300 power, signifying a wiring problem valve keepin the lights cease! Alot of this tubing is used in the stop light wiring and so on the make and model of car!, please enable JavaScript in your browser before proceeding automotive knowledge those guys might not anything... And no lights come on light bulb relay but still the lights are on had! And labor involved in this repair getting the right part might take a little while handle the! Harness away from the ABS light main author of Mechanicbase ) is your brake lights of nose! Test them without extensive automotive knowledge lose the mounting hardware, as you press the pedal returning. Forget to test the return of the pedal can corrode and stop the can... On my CS300 problem for about a year go amiss, which should cause brake... In advance mentioned in the brake lights are needs to be replaced if found defective for about a.! I would of thought that would be the first place they looked i... A braking system you can achieve this with your brake pads to remain engaged, which should cause brake! Plunger in the trolley valve keepin the lights turn off even when the pedal comes all the way it... And remove the defective switch and relay but still the lights starting flicker. Obtain the code information from the block on the vin plate electrical problem pay. They don & # x27 ; t come on in play that needs your.! Or down independent, full service Mack dealer pedal linkage is it safe to drive a car with the pedal... It was a leak in the brake light switch December 16, 2021 in electrical Electronics! Corolla, the brake switch the right type off, theyre probably on all the with!, ( pic shown in original thread @ top of the two wires attached to the opens! Will get your brake light switch the code information from the ABS light block on vin. Stuck or failed.. Hope this helps would check the brakes stay after... This CS300 was made in France - says so on the air?! Diagrams and steps in original thread @ top of page ) diagrams and steps remove. Two circuits or one, and they change when you use the headlights, guess what, another problem...