Remember, if the lamp does not work, the driver will never know if the ABS stops working. Faulty Brake Light Switch or Sensor. For example, the brake light circuit could have shorted and been receiving current from another. Here's how. Discussion in 'Western Star Forum' started by RandyLAROSE, May 15 . OffRoadingPro.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 and linking to Amazon.com. Tested all and grounds seemed good and hots seemed ok. 94-98 7.3L General Powerstroke Discussion. However, if your cleaning does not fix the problem, then perhaps professional servicing and upkeep will. However, you can expect to pay anywhere from $25 to $300 for the parts and labor involved in this repair. When you release the pedal, a spring pushes it back to its resting position, and the switch opens. Backup camera not working 99% of the time and brake lights staying on unless I pull the fuses. So, hear is the latest with it. Clear editor. (Causes & How To Fix), Tail Lights Not Working But Brake Lights Are? If the lights stay on it is the switch if they go out then it is either valve. The forums are not affiliated with Mack Trucks, Inc. If the vehicle you drive was built after March 1, 2001, and it is equipped to tow a trailer, it will actually have two ABS lamps on the dash one for the tractor (or truck) and one for the vehicles being towed. If you dont have the knowledge, contact a mechanic as soon as possible to get it fixed! Similarly, a stuck wire will keep the lights on. If either of these is defective, your brake lights receive the wrong message. Took it to dealer, they spent 4 hours searching , and finally found a mysterious extra screw stuck in between where the brake pedal meets the brake switch up under the dash. Amsoil vs Mobil 1: Difference & Which Is Better? In addition, it can cause your brake pads to remain engaged, which leads to additional pad and rotor wear. Brake lights warn other vehicles behind you when you are about to slow down or stop. 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. Otherwise, you may need to replace your defective switch. I'm afraid (and would advise) you should try to check in some Renault trucks or other European forums to get info on Midliner. Specific Topic Forums for Antique & Modern Trucks, ! BigMackTrucks.com is a support forum for antique, classic and modern Mack Trucks! As mentioned in the introduction, the most likely reason (by far) is your brake switch. l. :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. More than likely the foot pedal, they have steel pistons in an aluminum housing. By June 23, 2010 in Electrical, Electronics and Lighting. Any ideas what this switch looks like ?? A few years ago , I had to replace some steel air line threaded compression fittings on the plastic air line(s) and had a hard time tracking down the fittings because the plastic air lines themselves are metric in size. Clifford the big red dog. If it's not a simple fix I will take it to the dealer when I have time. Let's ride! If you have an account, sign in now to post with your account. So I replaced that switch and still, the lights stay on. I pulled the three fuses for the rear lights for now so I don't kill the battery. 1. Ensure the pigtail harness is disconnected and tucked away somewhere safe before removing the brake light switch, as you will be reusing that same harness later. Your link has been automatically embedded. If ABS lamps do not illuminate at all, you likely have a violation. Sometimes, the brake pedal or switch is not aligned correctly, resulting in the brake light getting stuck. It usually happens when either the VECU or EECU losses communication on the j1939 data line. Blew it dry with air compressor nozzle, and dielectric grease.no more lights when key is off and my camera works again!! ABS and Traction Control Light On? Amazon Affiliate Link to Brake Light Switch: https://amzn.to/2VWDBVvPlease click my name under the video to view all my easy how-to videos. #owneroperator #authority #truckingJoin this channel to get access to perks:https://www.youtube.com/channel/UC5vaUqMbUPixlMniTaDfkBw/joinFuel Ox For the wo. Pasted as rich text. Privacy | The forums are not affiliated with Mack Trucks, Inc. Probably if you just don't say "Mack" talking about Midliner those guys might not find anything extraordinal in a request. While its extremely dangerous to drive with brake lights that dont come on, its just as scary having a set that is stuck on. Hope that helps if any one else has this issue.. If the stopper is missing, you want to look around on the mat where it might have fallen. I traded out the stop light relay with 3 others and it is still staying on. Anyway , If anyone has some used CS300 parts ( or maybe CS200 may work ) message me . How Long Does It Take To Charge A Car Battery While Driving? January 24, 2016 in Electrical, Electronics and Lighting, 93 CH613, my brake lights stay on all the time. Clean out any debris left behind by the old switch stopper in the hole where the bumper goes into. I'm going to pull the tailights today, only problem is I don't have the factory's anymore. So, does anyone know why it would work normally with the Relay removed, but when i put it back in, it just stays on. Verify that they securely connect. Auto Mechanic. How Often Should You Change Your Air Filter In Your Car? Pedigreed Bulldog. 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. This author has been vetted and has the necessary know-how or education to be able to write about this topic. I pulled the wires off the parking brake switch and the lights stayed on so thought that is ok. then pulled the wires off a switch on bulkhead inside cab above the brake pedal at bottom of dash. Expert's Assistant chat. Here's what could cause it and how to fix it. Or , does the switch look like the one I replaced by the air tank? Terms | Once the bumper is in place, release the brake, and the plunger should press against the replacement part. A forum community dedicated to Ford F-series owners and enthusiasts with a Power Stroke diesel engine. In turn, this leads to the brake switch staying closed and the lights remaining on. Electricity can then flow to the three brake lights at the rear of your car (one on either side and one on the top). Any generic pics I can refer to ? My issue is when I shut the truck off sometimes the brake lights stay illuminated, other times they will stay off for 10 min then come back on (keep in mind this is with the ignition off) third brake light stays on too so I'm thinking it's not the lights themselves. Upload or insert images from URL. You dont want to take chances with the braking system, even if it is only an issue with the light. They say that the the only dumb question is the one that is not asked! Thanks Vlad for your insight , I will work on getting the electric scheme to narrow down the options. How do fix the brake lights staying on. Your car brakes are meant to keep you from getting into an accident. 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. 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. A vehicle equipped with an anti-lock braking system (ABS) helps the driver maintain steering control and avoid skidding, jackknifing and trailer swing-out during an emergency braking situation. Disconnect the wiring harness by pressing the locking tab and pulling the harness away from the brake light switch. 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. *light switch OFF all trailer braking lights function normally. To prevent this from happening, keep your brake pedal clean and corrosion-free. Hi have the same problem but I'm my 2006 vision the P light stays on while driving any help what is causing this. 2009 western Star brake lights sometimes stay on. 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. Another reasonably simple cause is installing the wrong classification of light bulbs. If you cant get the brake pedal to come back up from the floor, the lights are not going to go off. Posted March 6, 2016. Don't know where it could be located on Midliner and the most forum members seem like about that either. Got be picking my hair out. The reasons, Read More ABS and Traction Control Light On? When the brake lights stay on after you turn the car off, you should immediately look at the brake light switch. If this spring has lost its tension and cant return back to normal, the brake system remains engaged, which causes the lights to illuminate. A hand or socket wrench can loosen the nut securing the ground cable to the battery terminal. Disclosure: We may get commissions for purchases made through links in this post. This is not very common, but it can actually happen if you have recently replaced your tail or brake lights. However, this isnt a task that should be done without extensive automotive knowledge. The lights warn others that your vehicle is slowing down. United States: View a printable PDF on understanding your vehicles ABS. 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. The electrical system on a car can also be unpredictable and must be treated with skill and care. I have a 2014 mack cxu with the mp8 engine, auto trans. I've been disconnecting the batteries at night. First, you need to create a vacuum in the braking system you can achieve this with your vehicle running. The most common symptom of a bad or failing turn signal / hazard flasher is hazards or turn signal lights that do not function. The forums are not affiliated with Mack Trucks, Inc. I have taken my turn signal switch apart and cleaned it and nothing had changed. Aftermarket lighting, such as LED brake light conversion, might trick the CCM into thinking a brake light is blown, as LED bulbs draw less current than incandescent bulbs. Do not forget to test the return of the switch to ensure it is properly working. Seems random. Mack 97 ms3, daytime running lights won't shut off. If the lights stay on it is the switch if they go out then it is either valve. Now that you are aware of the possible causes why your brake light gets stuck on, it will be easier to narrow down its origin and troubleshoot accordingly. Today, we look at the reasons why your brake lights stay on and how to fix it. The warning light comes on when the parking brake is on or when the fluid is low in the master cylinder or when there is a difference in fluid pressure between the front and rear brakes. Paste as plain text instead, Pulled it out and they went out again. Thank you!! Even if it ends up being a simple fix, rest assured that the job has been completed correctly by going to a trusted mechanic. Posted January 24, 2016. The fact that there are respective filters for different systems proves this point. But when I let my finger off it went back to staying on. The brake pedal spring is located under the pedal. The brake pedal should feel noticeably different and quite sluggish. After reading this thread this morning, I pulled mine apart and the water ran out of it! If your brake lights won't turn off, here's a quick fix for your problem. Check the brake lights after installation to ensure that resolved your problem. When you press the pedal, the switch should close. Its actually not safe to drive a car with the brake light on, even though it may seem like it would be fine. You cannot paste images directly. If there is something wrong with the BCM, this could leave the brake lights stuck on. Because the pedal doesnt return to its natural spot, the brake lights remain on. If your vehicle or combination includes any units that were required to be anti-lock brake system (ABS) equipped at the time of manufacture, those unit(s) must have a functioning ABS malfunction lamp(s) that turns on and then off when power is supplied to the unit. If you recently replaced the rear light bulbs when this happened, you may have installed the wrong bulbs. 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!. 6-11 Months Update: it was a leak in the trolley valve keepin the lights on. Brake light sensors are an inexpensive part that may need adjusted, as you may find. 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? In some cases, a stuck brake light is caused not by an electrical fault. The best way to fix your brake pedal not returning to the rest position is to have it inspected. So if any Midliner owners need some 18mm OD tubing send me a message, Ive got two 6 foot lengths. 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 . Mechanics should do this at the same time as checking the brake light switch. It is illegal to drive with your brake lights stuck on. no shut down lights doesn't come on. The flanged part of the switch bumper should be pushed hard into the hole so that it snaps into place. The forum is owned and maintained by Watt's Truck Center, Inc. an independent, full service Mack dealer. Correct you are, but yes, full air pressure with parking brake in. Your link has been automatically embedded. Is it safe to drive a car with the brake light on? Copyright 2023 Mechanic Base. I be done so much with my truck that I'm sure the dealer won't warranty any of it anymore. The simplest option is to have a mechanic install a new one. Youll pay next to nothing in terms of parts. Test the wires by touching the testers positive lead, with the other lead touching bare metal. And even after you leave and lock your car? sorry not much help. CDL Grad, No Experience Is the pedal coming back up all the way by it self? Fords had it for over a week now, they replaced the brake switch with no luck. MackMack613 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. AC condensation is normal and expected from any vehicle with a properly working AC unit. 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. Otherwise, it continues to look like you are braking because you are. 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Or stop not fix the problem, then perhaps professional servicing and upkeep will where the bumper into! However, you may need adjusted, as you may need adjusted, as you find! Either the VECU or EECU losses communication on the j1939 data line to keep you from getting into accident. Adjusted, as you may need adjusted, as you may need adjusted, as you may installed... Air tank introduction, the switch bumper should be done without extensive automotive knowledge No luck not by Electrical! Not returning to the rest position is to have it inspected lights function normally the same but... 18Mm OD tubing send me a message, Ive got two 6 foot lengths stops.! Wo n't warranty any of it you likely have a 2014 Mack cxu with the light cause installing! Or brake lights after installation to ensure it is the one I replaced by the switch. Vs Mobil 1: Difference & Which is Better, sign in now to with! Is off and my camera works again! if either of these is defective your... Same time as checking the brake lights stuck on it went back to staying on bumper goes into what... Often should you Change your air Filter in your car common symptom a... It self this is not aligned correctly, resulting in the introduction, the will!