How to turn off service trailer brake system - I initially ignored it thinking that since valve is open of course the light is gonna turn on. Well it's been weeks and light is still on along with the E brake light. So far what I tried is cleaning grounds under cab, cycling the ABS pump with scanner, unplugging battery over night, replaced a stuck rear drum cylinder and re flushed brakes.

 
I was getting several messages on my control panel. Service Brake System, Service Stablitrak, Traction Control Off. In this video I go over the possible ca.... Cheap gas pasadena

The 300 Series Landcruiser is a popular choice among off-road enthusiasts and adventure seekers. Known for its ruggedness and reliability, this vehicle is built to withstand the to... About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ... Q&A: Replacement Hubs for BD-545-17 Drum Brakes and Braking Assemblies; Q&A: Semi Trailer Light Function Locations on Heavy Duty 7-Way Pin Connection; Q&A: Parts Needed to Connect Gooseneck Trailer to Semi-Truck 7 Pole Round Plug; Article: Testing Trailer Brake Magnets for Proper Function; Article: Brake Controller Installation: Starting from ...Maintenance Shop - Trailer Brake Module Fault, Service Advancetrac, No Crank No Start - Please Help!!! I own a 2011 F-150 Platinum 5.0 2wd with 42,000 miles! The truck just recently in the last month has been randomly dying and leaving me on the side of the road and not starting back up. After a few hours it will...The Trailer Brake Control System is compatible with two types of Trailer Brake Systems as listed below: 1. Electric Brakes A controlled electrical output signal energizes an electric-magnet/lever arm assembly that directly actuates the brake mechanism. The GDS name for this system is “Electromagnetic Brakes”.It sounds like the controller might be bad, but to make sure, you should probably bench test it before tossing it. Use a circuit tester, and check the red wire that exits the rear of the controller. This wire should only go hot when the brake pedal is pressed. If this checks out ok, then the controller is bad and must be replaced.Turn off Service Trailer Brake System . If you have a Service Trailer Brake System (STBS) on your vehicle, you may be wondering how to turn it off. Here are some instructions on how to do so: First, locate the STBS switch. It is usually located near the brake pedal or in the center console. Once you have found the switch, flip it to the "off ...How to reset the service trailer brake system message depends on the type of trailer brake system your car uses. In most cases, it will go away on its own if you repair the problem that caused it to appear. However, you may need to use an OBD2 scanner to reset the system, depending on the car model.*PROBLEM FIXED* It was the alignment causing all of the issues. After getting the alignment done I drove a few hundred feet down the road and the "service trailer brake system" message went away, the TC light turned off, and the truck no longer pulls to the left.Service Brake Assist, Causes #4 – Bad Wiring. Brake assistance relies on a complicated series of wires for communication between the different sensors. Damage to these wires causes interruption to these signals, resulting in the service brake assist warning light turning on.FIXED! "Service Trailer Brake System" - Chevy/GMC Suburban/Silverado/Sierra/Yukon/Tahoe. Jimmy's Garage. 9.45K subscribers. Subscribed. 546. 119K views 1 year ago. Here's...If so, fix your abs problem first and your SERVICE TRAILER BRAKE SYSTEM message will go away. Likely, if this message is displayed, you will have NO TRAILER BRAKING, but not a lockup of trailer brakes. A common cause of this (among many, many causes) that that the trailer brake relay is bad. But check it before you replace it.If your message on the DIC says 'SERVICE TRAILER BRAKE SYSTEM' the problem is your truck, not your trailer. If you get a message that says "CHECK TRAILER WIRING" , that's the trailer problem. ... Now it says trailer connected and the bars increase with gain but when i turn truck off and disconnect and turn truck back on it says service trailer ...Most of the time, these are due to software glitches in the system of your auto. So, if you find yourself in this situation, there are some quick fixes that you can apply if you are getting a Trailer Brake Module Fault in your auto. Here are some ways to go around the problem: 1. Restart the Engine.The information contained in this publication was correct at the time of release.In the interest of continuous development, we reserve the right to change specifications, design or equipment at any time without notice or obligation.No part of this publication may be reproduced, transmitted, stored in a retrieval system or translated into any language in any form by any means without our ...Any time the temperature drops below 64 degrees, I receive Stabilitrak warning messages. Once the temperature warms up, the codes go away. - Stabilitrak light comes on in dashboard. - "Stabilitrak Off". - "Service Stabilitrak". - "Service Traction Control" or "Traction Control Off".Jan 12, 2024 · Brake assist is a driver-assist safety feature that intervenes to help a car stop faster during emergency braking. The system detects when a driver engages the car’s brake so hard without an appropriate braking response. So, it releases extra braking force to shorten the braking distance, thereby averting unexpected crashes. Turn the engine off. Release the spring brakes. Apply and hold the service brakes for a minute. Open the window and listen for the air leaks. The air brake system in a tractor-trailer must not lose more than 4psi in a minute after an initial loss.Some trailer brakes operate on a time-delay system. For example, when the driver presses on the brake pedal in the two vehicles, the brake controller recognizes the brake and activates the electronic brakes on the trailer, applying an increasing amount of pressure to match that of the brake pressure on the tow vehicle.Two nights ago started the truck like normal letting it go through all of its checks. After starting the words "Service anti-lock brake system" came on for a second or two. No other lights, no messages. I can not find anything in owners manual or online that is helping. Contacted my service department and of course was told to bring it in so ...How to Troubleshoot and Inspect Brake Controllers. First, connect the trailer to the tow vehicle in order to engage the brake controller. While inside of the vehicle make sure it is visible and easily accessible. Keep the manual close. Second, examine the trailer brake controller. Make sure the in-cab control is installed correctly with ...Jul 24, 2023 · 1. Start the engine and allow it to idle for a few minutes. 2. Place the vehicle into park with your foot firmly on the brake pedal, then turn off the engine. 3. Locate the fuse box under the hood of your Ram 1500 and open its cover using a screwdriver or wrench depending on how yours is attached. 4. Some trailer brakes operate on a time-delay system. For example, when the driver presses on the brake pedal in the two vehicles, the brake controller recognizes the brake and activates the electronic brakes on the trailer, applying an increasing amount of pressure to match that of the brake pressure on the tow vehicle.Trailers must be fitted with service brakes and an independent parking brake on at least one axle (capable of holding the vehicle at rest on a slope of 1 in 5). The vehicle/trailer combination must be capable of stopping within 7 m from 30 km/h. This will usually mean that 2 axles will need to be braked.1. If fitted to a trailer: b) a parking brake does not act on each wheel of at least one axle. 2. Where the vehicle inspector is able to identify the laden weight (Note 6) of the trailer and its load, the trailer is not fitted with a service brake, parking brake, or breakaway brake, as required by Table 5-1-1. 3.Well I got it about 3 days ago, "Service Electronic Braking System" on the heads up display, as well as the illumination of the ABS light and traction light. It happens when I start the truck, go fast, slow, hit bumps, go in reverse, sometimes it'll stay on, sometimes it'll flicker, and some days it wont come on at all! A quick web search pulled up about a billion links for it ...6836 posts · Joined 2011. #2 · Aug 9, 2018. I had a sensor on the master brake cylinder go bad that caused this. 2010 Gmc 2500 Duramax 853,500 Odometer miles - sold Nov 2018. 2013 LT CCSB SRW bought with 508,000 miles, now over 703,000 miles. 2013 CrewCab and chassis with 9' Hillsboro aluminum flatbed 84,000 miles.55. Jan 6, 2022. #19. After roughly 9-10 months with no issues once I added a dedicated ground to the trailer, I started having the "trailer brakes disconnected" alert half way through my new year's trip. After a bit of investigating I found chafed wire jackets where the brake wires were inside the axle tube.2014 Silverado 2500hd lml. A couple of days ago started displaying "service trailer brake system" on the DIC. When hooked up to a trailer all lights and turn signals work. Just no power to the trailer brakes. I've replaced the trailer brake control relay above the spare tire. I've replaced the 30a stud 2 square fuse (slot 58) as well as the 20a ...The "on" and "off" indication on the cap are simply to let you know which way the cap screws on and off. If you take the hubs off of your trailer's axle, you will be able to determine if you have regular hydraulic drum brakes or if you have free-backing brakes. Free-backing brakes have a fall-away shoe that is designed to only engage when the ...The Trailer Brake Control System is compatible with two types of Trailer Brake Systems as listed below: 1. Electric Brakes A controlled electrical output signal energizes an electric-magnet/lever arm assembly that directly actuates the brake mechanism. The GDS name for this system is “Electromagnetic Brakes”.The trailer brake controller uses the same sensors as the ABS. When you have a ABS light you will always have a trailer brake light. The trailer brakes will still work but, you will lose some of the features depending on the failure. Disregred everything in these postings until the ABS is fixed..Aug 31, 2019 · GMC Yukon Brake Warning Light Causes. The brake warning light indicates that your Yukon has detected that one of its major brake components has failed, typically seen through a pressure loss. You’ll feel a loss of pressure that manifests itself in the form of a “mushy” brake pedal (low brake fluid level). If the brake light is only coming ... I own a chevy silverado z71 rst V8 with 105k milles and after do a rotor and pads replacement as a normal brake maintenance, a bunch of codes come up on my dashboard and the following messages: Service Trailer Brake system, Service ESC, Service Brake assistente and Barke system failure 43 MPH top speed seted up and he …9 posts · Joined 2018. #4 · May 23, 2018. No, it was Service Trailer Brake. Even shut it down and restarted it to see if I read it correctly. Gave the same message. Tried hitting the button to turn Park Sense back on and it wouldn't do it. Although the Park Sense light went off by the time I arrived at work.Step 1: Identify the adjustment nut on the trailer. The first step is to find the adjustment nut, which is right at the back of the vehicle's trailer brake. It is usually situated close to the axle. Once you finally locate this part, you can proceed to step two.1. Mechanical braking systems. Mechanical brakes, sometimes called cable, over-ride or over-run brakes, work by mounting a sliding spring mechanism to the trailer's drawbar (within the tow coupler/hitch). This spring contracts as soon as the trailer's speed attempts to overrun the vehicle.Remove the nut, washer, and tool from the holder. Remove the dust cover from the brake chamber. Insert the cage tool into the chamber and turn it 1/4 clockwise to insert the tool. Install the washer and nut. Tighten to approximately 2.5 inches of exposed cage tools. It's hard work because you're compressing the spring by hand.Answered in 4 minutes by: Chevy Mechanic: TIM MOHR. TIM MOHR. Category: Chevy. Satisfied Customers: 18,144. Experience: 30 YRS EXPERIENCE, FOREIGN AND DOMESTIC, GAS AND DEISEL. Verified. Hi, my name is ***** ***** you checked the fluid level in the brake master cylinder, if it is low, it can intermittently turn on the service trailer brake ...It’s simple to reset your trailer brake controller. Find the trailer’s adjusting nut first. It is often located behind the trailer brake, close to the axle. After that, using the flathead screwdriver, loosen the locknut. Turn the adjustment nut clockwise and secure it against the backing plate.Jan 16, 2022 · 10639 posts · Joined 2009. #7 · Jan 19, 2022. Having an ABS light on automatically causes the STBM message to display. Without a fully functional ABS braking system, your trailer braking is disabled, thus the message. Fix the ABS problem and the STBS message will not appear again. When it comes to keeping your vehicle safe and secure, the brakes are one of the most important components. A splash panel brake disc is an essential part of any braking system, an...I was getting several messages on my control panel. Service Brake System, Service Stablitrak, Traction Control Off. In this video I go over the possible ca...Electronic stability control modulates the engine throttle and each wheel's brake. Like other driver aids, ESC turns on when you start your car. The technology operates in the background ...42 posts · Joined 2018. #1 · Jan 18, 2022. While I have seen similar posts in older model threads, I haven't seen it in the 2020+ threads. I continue to get the Service Trailer Brake System when starting my truck and my trailer brakes obviously do not work. The dealer replaced the power module already, but say they need "DAYS" to troubleshoot it.To reset the service trailer brake system, turn off the vehicle and remove the key from the ignition. Disconnect the brake controller from the trailer to avoid interference with the resetting process. Turn on the vehicle without starting the engine, and press and hold the brake pedal for 15 seconds to activate the reset function.2 mins. Video. 1 mins. Replacing Trailer Brakes: What to Look For Each Year Join RV Repair Club to continue watching for $10.00 per month / $98.00 per year. GET VIDEO ACCESS. In this quick video lesson, RV maintenance expert Dave Solberg teaches you simple tips for replacing trailer brakes during your annual RV inspection.Your Chevy Tahoe's brake light indicator is there to inform you of an issue with your vehicle’s brake system. It is a light different from the anti-lock brake system, which has its own ABS warning light. The brake light indicates a problem with the physical braking system itself. Check the Emergency Brake First If you.Release both the tractor and trailer parking (spring) brakes and turn off engine. 10. Drain the trailer air reservoir(s) to achieve approximately 100 psi system pressure as indicated by the tractor air gauge(s). Have someone in the cab make a full service brake application and hold (do not use the trailer hand control valve if equipped). MeasureService Electronic Stability Control 2. Service Trailer Brake System 3. Park Sense Rear Braking Assist Off 4. Service light was on (not sure if engine or traction control) I went out an hour or so later and the situation resolved itself. I appreciate whatever Ram Cares can do to help Salerno Ram with correcting these issues.To release this lock nut, use a flathead screwdriver. Carefully loosen the lock nut, allowing you to make adjustments to the trailer brake system. This step is essential for the subsequent adjustments. 3. Turn the Nut Clockwise for Adjustment: With the lock nut loosened, proceed to turn the adjusting nut clockwise.Remove all the parking sensors. Get your multimeter and switch it to 2000k ohms. Locate the numbers on the terminal pins. There are three pins that are labeled 1,2,3. If you can't see the numbers, use your phone camera for a better view. Place the red multimeter probe on no.1 pin and the black probe on the no.2 pin.Helpful Expert Reply: If the surface on the inside of the drum where the shoe pads make contact isn't smooth then a brake shop may be able to turn the drums. If that surface or the surface where the magnet makes contact (called the armature surface) is discolored then the drum will need to be replaced. In most cases, unless there is damage or ...4,057 Answers. It could be an electrical fault in the wiring, or the trailer plug water or anything else can get in over time and cause a short or false signal, check the plug if fine ( you will need to remove the cover to check wires) then follow the wiring to the cluster plug wiring, if you don't use this then it would be safe to remove the ...I own a chevy silverado z71 rst V8 with 105k milles and after do a rotor and pads replacement as a normal brake maintenance, a bunch of codes come up on my dashboard and the following messages: Service Trailer Brake system, Service ESC, Service Brake assistente and Barke system failure 43 MPH top speed seted up and he don't drive more than ... How To Reset Service StabiliTrak Light 1. Turn off the engine. Ensure that your vehicle’s engine is completely turned off before proceeding with the reset process. 2. Disconnect the battery. Locate the vehicle’s battery, typically found in the engine bay. Using the appropriate tools, carefully disconnect the negative (-) terminal of the ... 1. Blown Fuses. A blown fuse is one of the major reasons why the service trailer brake system message comes on. When you suspect a fuse is blown, turn off …Remove the nut, washer, and tool from the holder. Remove the dust cover from the brake chamber. Insert the cage tool into the chamber and turn it 1/4 clockwise to insert the tool. Install the washer and nut. Tighten to approximately 2.5 inches of exposed cage tools. It's hard work because you're compressing the spring by hand.The information contained in this publication was correct at the time of release.In the interest of continuous development, we reserve the right to change specifications, design or equipment at any time without notice or obligation.No part of this publication may be reproduced, transmitted, stored in a retrieval system or translated into any language in any form by any means without our ...The trailer brake control will be disabled for the remainder of the ignition cycle. The driver information center will display Service Trailer Brake System. Conditions for Clearing the DTC. The condition for the DTC is no longer present. The TBCM clears the history DTC when a current DTC is not detected in 40 consecutive drive cycles.Common Reasons for the "Service Brake Assist" Light. 1. Low Fluid. The service brake assist light comes on if you have low brake fluid or if a component in your braking system fails. This is because when there's not enough fluid in the system, it can affect the operation of the ABS valve and reduce the effectiveness of your brakes.First of all pull the owners manual and go to the fuse section and check every fuse related to the trailer for blown. Could have popped one when you hooked the battery back up. That’s simple. 2016 White Colorado LT 2WD Ext. Cab. 3.6L V6 6 Spd. Automatic with Dipstick, Pedal Commander, BakFlip G2 Tonneau, Elite CC, Tow …And close the panel. Solution 2: Clean And Replace The Trailer Brake Control Module Of 2014 Silverado. If you want to service trailer brake system Chevy …My "service trailer brake system" would come on after removing the weights distribution part of the hitch..... No reason it should but I have found if you go into the fuse box under the hood and look on the back of the fuse cover to locate the ITBC fuse. Take the fuse out and put it back in. It seems to reset itself. Do this when the vehicle is ...ITBC "Service Trailer Brake System" Resolution. After spending a lot of time looking at harnesses and checking fuses. This is what I found that resolved my issue with the ITBC System on my 2007.5 Duramax. I was driving down the road and the "Service Trailer Brake System" message popped up on the DIC. At this time I was not towing or hauling ...Here are the reasons for the "Service Antilock Brake System" message in your Ram: 1. Wheel speed sensors. One of the most obvious things to check is the health of the wheel speed sensors. These sensors are used by ABS, ESP, ESC, and other systems. The vehicle brain makes sure that all the wheels rotate with the predicted speed and that there ...Alternatively, if you fix the problem, you can force the control modules in your vehicle to reset and rescan the system. If they find no fault, the lights will automatically go off. An easy way to do this is by disconnecting the car battery for at least 15 minutes.The first step to troubleshooting an anti-lock brake system is checking the fuse that manages the brakes. If the fuse is functional, check the harness of the ABS controller for sig...1. Mechanical braking systems. Mechanical brakes, sometimes called cable, over-ride or over-run brakes, work by mounting a sliding spring mechanism to the trailer's drawbar (within the tow coupler/hitch). This spring contracts as soon as the trailer's speed attempts to overrun the vehicle.The Service AdvanceTrac warning light indicates that there is an issue with the AdvanceTrac system. AdvanceTrac is only found in the Ford lineup of vehicles. It's the company's name for the electronic stability control system. This stability control system relies on steering inputs, wheel speed sensors, and other technology to determine the ...The integrated trailer brake controller feature on your Ford F-150® truck helps slow down a towed trailer. Learn how it works.Learn more about Ford support h...Dec 16, 2018 ... Service Trailer Brake System-seems like the start to an expensive repair ... Duramax Trailer Brake ... Doing This Will Reset Your Car and Fix It for ...This video will help explain what the Trailer Brake Controller on your vehicle does and how to set it up on your message center.Learn more about being a Ford...Mar 30, 2021 · GM Part #: 84108373The notorious Service Trailer Brake System message was popping up on my 2016 Chevy Silverado. Wanted to make this video to show the before... Electronic stability control modulates the engine throttle and each wheel's brake. Like other driver aids, ESC turns on when you start your car. The technology operates in the background ...I was getting several messages on my control panel. Service Brake System, Service Stablitrak, Traction Control Off. In this video I go over the possible ca...This video will help explain what the Trailer Brake Controller on your vehicle does and how to set it up on your message center.Learn more about being a Ford...Your Chevy Tahoe's brake light indicator is there to inform you of an issue with your vehicle's brake system. It is a light different from the anti-lock brake system, which has its own ABS warning light. The brake light indicates a problem with the physical braking system itself. Check the Emergency Brake First If you.If no condition exists. Connect the electrical connector from the trailer into the trailer connector of the vehicle. Start the vehicle and select the "Start Light Test" function through the trailering App. Verify the appropriate lights on the trailer turns ON and OFF. If the trailer tail lamps do not turn ON and OFF.The fuses that are related to the trailer are in the fuse box under the hood. it may be hard to see with all the wires and other parts crowded in there. The manual will have a number code and that code is or should be the same as the following information: 1 - Trailer Brake. 2 - Trailer Battery. 14 - Trailer Stop/Turn Lamps, LeftService Trailer Brake system message will also be dieplayed as a result of the ABS light being on. Fix the ABS problem, STBS message automatically goes away, so fix the ABS problem ... and the EBCM will turn off the ABS indicator. If the customer comments that the ABS indicator is ON only during moist environmental conditions: rain, snow ...Turn signal indicator Security indicator5 Parking brake indicator6 Rear differential lock indicator1,3,5 Traction control OFF indicator1 VSC (Vehicle Stability Control) OFF indicator1 Power mode indicator (Automatic transmission only) PCS (Pre-Collision System) warning1,2,6 Fog light indicator5 Low engine oil pressure warning Low engine oil ...Car trailer brakes are a big part of safety when transporting a car or motorcycle. If you're not familiar with how to service them, now is the time to learn! ... In this article, we'll show you the basics of how to service car trailer brakes, and what to do if they fail. Contents hide. 1 What is a Car Trailer Brake? 2 Car Trailer Brake ...-Low air pressure in the brake system (below 60 psi). -Brake valve delivery pressure below normal. -Wrong size actuators and/or slack adjusters. -Failure of part of a dual air system. -If remote mounted brake valve, check linkage. 2.) Brakes Apply Too Slowly -Brakes need adjusting or lubricating. -Low air pressure in the brake system (below 60 ...Here are the reasons for the "Service Antilock Brake System" message in your Ram: 1. Wheel speed sensors. One of the most obvious things to check is the health of the wheel speed sensors. These sensors are used by ABS, ESP, ESC, and other systems. The vehicle brain makes sure that all the wheels rotate with the predicted speed and that there ...

#thetrailersmith #adjusttrailerbrakes #trailerbrakes #trailerbrakesnotworkingTrailer brakes not working? Here are some simple steps you can take to manually.... Aimee lloyd diary transcript

how to turn off service trailer brake system

If no condition exists. Connect the electrical connector from the trailer into the trailer connector of the vehicle. Start the vehicle and select the “Start Light Test” function through the trailering App. Verify the appropriate lights on the trailer turns ON and OFF. If the trailer tail lamps do not turn ON and OFF.If you were to get pulled over and the breakaway system was to be tested you would get in trouble. To simply bypass the system you would just need to cut the wire that goes from the switch to the brake output circuit of your trailer wiring. expert reply by: Jameson C. Reply to Jameson C. Ask The Experts a Question >>.I have 2008 chevy 2500 hd service trailer brake is on, I have replaced the module on the underside by spare tire and I have also redid wireing to light socket on bumber, everything is good, now I can turn truck.on and in can manually engage and trailer brakes work.once I.hit brake pedal they quit working have to.turn truck.off for them to.work again.Step 1. Turn the Trailer Brake On. Make sure that the trailer brake is on. Step 2. Remove the Cover and Loosen the Screws ... Charge the trailer air brake system. (That is, build up normal air pressure and push the "air supply" knob in.) Shut the engine off. Step on and off the brake pedal several times to reduce the air pressure in the ...Helpful Expert Reply: When a trailer with electric brakes is connected to a vehicle that has a brake controller that brake controller is sensing the draw of the brake magnets by sending back a small amount of voltage on the blue wire. The brake controller also get's signals from the tow vehicle to let it know when you are stepping on the brake ...2.4) Actuators. 2.5) Hydraulic Lines and Fluid. 3) How the Various Components of Trailer Brake Systems Work to Stop the Trailer. 3.1) Electric Brake Operation. 3.2) Surge Brake Operation. 3.3) Electric Over Hydraulic (EOH) Brake Operation. 4) Final Note on Trailer Brake Systems.ABS Light and "Service Trailer Brake System" Message in DIC - FIXED I had this same problem. For about three months, any time I would take a sharp right turn, the ABS light would come on and the "Service Trailer Brake System" Message would pop up in DIC. As soon as I straightened the wheel, it would go away.Mid December trailer brake control replaced (Mopar original part) and seemed to be working fine till recent cold spell. No failure warning on trailer brake control. As noted previous dash display does say service trailer brake system as well as service 4wd. 4wd quit working when the service 4wd warning came up couple weeks ago.In this video I have a look at a 2011 Chevy 2500HD that has a message coming across the dash that says "Service Trailer Brake System" and I find it has a cod...1. Start the engine and allow it to idle for a few minutes. 2. Place the vehicle into park with your foot firmly on the brake pedal, then turn off the engine. 3. Locate the fuse box under the hood of your Ram 1500 and open its cover using a screwdriver or wrench depending on how yours is attached. 4.Step 3: Switch off the ignition. If the warning light stops blinking or starts blinking if it wasn't blinking before, switch off the ignition. Remove the car key and allow the car to sit for a few minutes. This will reset the service theft deterrent system.If your message on the DIC says 'SERVICE TRAILER BRAKE SYSTEM' the problem is your truck, not your trailer. If you get a message that says "CHECK TRAILER WIRING" , that's the trailer problem. ... Now it says trailer connected and the bars increase with gain but when i turn truck off and disconnect and turn truck back on it says service trailer ...Mar 15, 2017 ... Bad Brake Switch - Cruise Control/Trailer ... Fixing Brake Switch ... 2014 - 2018 Chevy Silverado GMC Sierra Service Trailer Brake System Fix..

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