I've seen this switch knocked out of place before or even broken. The wiring diagram in my Chiltons shows there to be a fuse specifically for that third light but it fails to tell me where that fuse is located in the chassi. TIA Re: third brake light problem. Any help would be MUCH appreciated! -They have taken assembly apart, cleaned, and reassembled.-They have replaced the third brake light assembly.-They put a different type of bulb in the last time with a lower draw, which worked for a couple of hours Have not located any blown fuses with this car … DID NOT HAVE CURRENT. I'm weird about lights not working. Messages: 3 Likes Received: 0 Joined: Nov 8, 2016 Location: Massachusetts. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Assuming you have already replaced the bulbs, there is a switch that the brake pedal touches when depressed that activates the lights. The third brake light (center brake light on the trunk lid) is NOT working now. I checked the voltage on the connector and it shows 10V when brakes are hit while engine is on, if engine is off there's no voltage at all, is that normal? Overall tracking the causes why tail lights not working but brake lights are is frustrating. Third brake light not working - Answered by a verified Cadillac Mechanic We use cookies to give you the best possible experience on our website. I could not figure out which fuses are apart of the side brakes using the Discussion in 'KK General Discussion' started by imbatman220, Nov 8, 2016. The standard brake lights work. It seems in the morning (first cold start) it works when I depress the brake (I can see it light up the rear window). I solved this problem on my 2009 CLS 550. I have an 2005 GMC Envoy and the brake lights have quit working but the third brake light does. I told my dealer in Ontario that my 3rd brake light is not working on my 2006 cts.I asked him is it neon or led and how much.He asked for my VIN # and told me that they are LED and the 3rd light assembly is 970$ canadian plus instalation. The BPP tells the BCM (computer, or Body Control Module) what position the brake pedal is in, how fast it's moving, and in which direction. So I found out my third brake light was not working. it has been back to dealer for the fifth time (I think) and still not working. Aug 21 2013, 5:30pm. Jim, common problem. If not, I have another problem to fix. I have checked the fuses,bulbs, and have replaced the brake light switch located on the brake pedal. I have a 2008 Honda Civic and the 3rd brake light is having an issue. most cars do not even have a third brake light — and the two main brake lights are in proper working order, so why is this an offense?” A: The citation is legitimate, California Highway Patrol Lt. I replaced the whole light assembly and still nothing, the problem ended being the fuse slot in the main box under the hood went bad. i was told my third brake light wasnt working so i checked the fuses but that doesnt seem to work and tried to open the casing but it doesnt seem to want to open any ideas . what could be wrong with my 3rd brake light? 11 Answers. luck was on your side, my 2008's 3rd brake stopped working. I have searched this forum to no avail. Got a 1991 Honda Accord with the 3rd Brake Light not coming on when brake pedal is pressed. Third Brake Light NOT WORKING! Third break light not working is there a fuse for it. It drives me bonkers unti it's fixed. Third brake light works but bitge other brake lights do not. brake lights not working, upper light works? Besides, you are secure as the brake lights are connected to the pedal and are connected to another circuit. All other lights work. Both brake lights come when the brake pedal is pressed so it would seem the brake light switch is in fact still good. The other brake lights work all the time. The third (upper) brake light is working. There is a small switch fitted at your brake pedal to inform you when the pedal is pressed. IT GOT CURRENT) *Exterior Under the hood "49" Center High-Mounted Stoplamp 'CHMSL' (DID NOT WORK. Started with a plan to replace the light. Is - Answered by a verified Dodge Mechanic I have an annoying problem with the third/LED brake light on my Dodge Charger 2006 (5.7l), it won't work. You can test the brake light switch with a multimeter to make sure the pins get connection/0 ohm when you are pressing or releasing the switch. Also can’t get the brake light to turn off on my dash. That could be the BPP and not the light. "I changed fuses and still the same, it didn't work. Other things use that ground when the key is on so its not strong enough then to activate the armature within the relay. I'm taking that the blinking is part of the function of the light. Thats funny I just found out 3 days ago my 3rd brake light it not working anymore. 2006. I changed the bulbs only to find out it still didn't work. But thankfully as the taillights run on their isolated circuit there should not be any problem to track the issues. This is a quick video I made to help people with their brake light problem this video will work for any car the has combined brake light and signal light. CarTalk.com Best of Deals Car Reviews Repair Shops Cars A-Z Radio Show. just last saturday nght i got a LAMP defective warning on dash then i checked all lamps then found out that the 3rd brake lamp aint working . use a voltmeter and see if you have power. Replace third light. The third brake light is normally centered and placed higher than the two typical brake lights below that flank the vehicle. Third light bulb was burnt out, replaced with a new one, and it doesn’t work. but when i shut off engine and started it again the warning went off but still the lamp is not working. HOLY S---. I removed the 3rd brake light cover and tested for voltage at the steel center of the two rivets and found the positive (driver side) negative (passenger side) were good. A bad brake switch is a really common problem when your brake lights are not working. The third brake light (middle) comes on but the two side brake lights do not. Seems the flared side of the rivet was not making contact with the metal strip. The side brake lights work, but not the one on the top. Disassembled everything IAW the posts on this form to get the rear deck and light on the bench. I checked the following fuses for current: *Interior fuses "12" Stoplamps, Center-High Mounted Stoplamp (WORKED FINE. I'm having the same issue with my 2001 Yukon XL 1500 SLT. 3rd Brake light not working. Hey guys my third brake light … When I applied the brakes, it would blink for about 5 seconds and then stay on. The two side ones work, just the middle light. hi guys! That way the computer can decide if it needs to turn the brake lights on or off. Can anyone give me some advice? Break fluid affects 3rd break light. 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. The light originally flashing when I braked and had the turn indicator on.Now it does not work at all.Since my cruise control does not work along with the third light I replaced the brake light switch on the brake pedal as suggested in multiple threads. I checked the bulbs and fuses and they are ok. All other lights work. I noticed the third brake light is not working. The BPP (brake pedal position) sensor takes the place of a simple and effective switch. ive checked the bulb changed it with a new one checked all fuses everything is ok. Just had brakes replaced. Tested the light with a 12 volt source and it worked. It worked when I purchased it. But the side rear lights do not illuminate more when I press the brakes. An update on the brake light issue. Here are two links. Can’t get my third brake light to work. When I try to hook up the third brake light on my camper shell to my dodge the light wont work with the truck brake lights and I have had it working before but now it wont work and when I test the light before I wire it up the light works but not when its wired into the truck and also when I unhook the wir from the truck and plug them into a battery it work. I hooked up a voltage meter to the electrical connections going to the light and had no voltage. Anyone know what the resolution to this thread was? The first, the guy shows the location and basic overview of the brake … Jeep Liberty 2006 Ltd. Rear brake lights are not working. Nov 8, 2016 at 1:32 PM #1. imbatman220 New Member. But after a few pumps, the light stops working. Replacement of the Third Brake Light on a 2007 Toyota Avalon Adding this third light captures the line of sight of the drivers following the car, as opposed to the use of just two lights, making the braking reaction faster. where does the light … All the rear bulbs are working as I tested all of them (turning night time lights on, turning on hazards, etc.). Hi Guys, My center high mounted stop light or third brake light is not working. not the whole box, just the one slot for the 3rd brake light … I checked the two metal strips that send power to bulbs and found the positive side was open. 'M taking that the blinking is part of the third brake light not on. Fuses `` 12 '' Stoplamps, Center-High Mounted Stoplamp ( worked FINE lights work and if... 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