Seems the flared side of the rivet was not making contact with the metal strip. 1 Answer. 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? The third brake light is normally centered and placed higher than the two typical brake lights below that flank the vehicle. 11 Answers. Break fluid affects 3rd break light. CarTalk.com Best of Deals Car Reviews Repair Shops Cars A-Z Radio Show. That could be the BPP and not the light. Third brake light works but bitge other brake lights do not. Third break light not working is there a fuse for it. There is a small switch fitted at your brake pedal to inform you when the pedal is pressed. Tested the light with a 12 volt source and it worked. "I changed fuses and still the same, it didn't work. TIA Re: third brake light problem. I've seen this switch knocked out of place before or even broken. The side brake lights work, but not the one on the top. Third light bulb was burnt out, replaced with a new one, and it doesn’t work. Started with a plan to replace the light. Is - Answered by a verified Dodge Mechanic It seems in the morning (first cold start) it works when I depress the brake (I can see it light up the rear window). luck was on your side, my 2008's 3rd brake stopped working. 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. I could not figure out which fuses are apart of the side brakes using the Anyone know what the resolution to this thread was? Also can’t get the brake light to turn off on my dash. I have an 2005 GMC Envoy and the brake lights have quit working but the third brake light does. i cant figure out why, I looked at the fuses on the side of the dash (where all the fuses are) but the one for it is also the same fuse for like 10-12 other things and they all work so I was at a lose. Besides, you are secure as the brake lights are connected to the pedal and are connected to another circuit. I have a 2008 Honda Civic and the 3rd brake light is having an issue. -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 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. The standard brake lights work. I'm taking that the blinking is part of the function of the light. Can anyone give me some advice? So I found out my third brake light was not working. All the rear bulbs are working as I tested all of them (turning night time lights on, turning on hazards, etc.). Both brake lights come when the brake pedal is pressed so it would seem the brake light switch is in fact still good. 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. 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 . I changed the bulbs only to find out it still didn't work. An update on the brake light issue. Can’t get my third brake light to work. 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 have searched this forum to no avail. Other things use that ground when the key is on so its not strong enough then to activate the armature within the relay. what could be wrong with my 3rd brake light? Have not located any blown fuses with this car … 2006. 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. Discussion in 'KK General Discussion' started by imbatman220, Nov 8, 2016. The third brake light (center brake light on the trunk lid) is NOT working now. IT GOT CURRENT) *Exterior Under the hood "49" Center High-Mounted Stoplamp 'CHMSL' (DID NOT WORK. The third (upper) brake light is working. 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'm weird about lights not working. I checked the two metal strips that send power to bulbs and found the positive side was open. Third brake light not working - Answered by a verified Cadillac Mechanic We use cookies to give you the best possible experience on our website. Replacement of the Third Brake Light on a 2007 Toyota Avalon That way the computer can decide if it needs to turn the brake lights on or off. I hooked up a voltage meter to the electrical connections going to the light and had no voltage. It drives me bonkers unti it's fixed. 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. A bad brake switch is a really common problem when your brake lights are not working. Assuming you have already replaced the bulbs, there is a switch that the brake pedal touches when depressed that activates the lights. It worked when I purchased it. I checked the following fuses for current: *Interior fuses "12" Stoplamps, Center-High Mounted Stoplamp (WORKED FINE. Fuse and bulbs are good. 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. Any help would be MUCH appreciated! If not, I have another problem to fix. brake lights not working, upper light works? Hey guys my third brake light … Jeep Liberty 2006 Ltd. Rear brake lights are not working. Here are two links. Nov 8, 2016 at 1:32 PM #1. imbatman220 New Member. hi guys! 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 have checked the fuses,bulbs, and have replaced the brake light switch located on the brake pedal. but when i shut off engine and started it again the warning went off but still the lamp is not working. The other brake lights work all the time. Thats funny I just found out 3 days ago my 3rd brake light it not working anymore. Third Brake Light NOT WORKING! Disassembled everything IAW the posts on this form to get the rear deck and light on the bench. But thankfully as the taillights run on their isolated circuit there should not be any problem to track the issues. Just had brakes replaced. 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. I solved this problem on my 2009 CLS 550. The third brake light (middle) comes on but the two side brake lights do not. I checked the bulbs and fuses and they are ok. All other lights work. Hi Guys, My center high mounted stop light or third brake light is not working. DID NOT HAVE CURRENT. But the side rear lights do not illuminate more when I press the brakes. it has been back to dealer for the fifth time (I think) and still not working. use a voltmeter and see if you have power. The first, the guy shows the location and basic overview of the brake … where does the light … 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. I noticed the third brake light is not working. 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. Got a 1991 Honda Accord with the 3rd Brake Light not coming on when brake pedal is pressed. Messages: 3 Likes Received: 0 Joined: Nov 8, 2016 Location: Massachusetts. I have an annoying problem with the third/LED brake light on my Dodge Charger 2006 (5.7l), it won't work. All other lights work. Jim, common problem. I'm having the same issue with my 2001 Yukon XL 1500 SLT. 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 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 . 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. But after a few pumps, the light stops working. My third brake light does not work. Replace third light. Overall tracking the causes why tail lights not working but brake lights are is frustrating. not the whole box, just the one slot for the 3rd brake light … HOLY S---. Aug 21 2013, 5:30pm. 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. 3rd Brake light not working. Found the positive side was open Under the hood `` 49 '' center High-Mounted Stoplamp 'CHMSL ' ( not... Lights come when the key is on so its not strong enough then activate.: Nov 8, 2016 one, and it doesn ’ t get my brake... Is not working can ’ t get my third brake light … Hi guys, 2008... Off on my Dodge Charger 2006 ( 5.7l ), it wo n't work the is. Not strong enough then to activate the armature within the relay box, just the one on the brake (! Again the warning went off but still the same, it did n't work both brake lights are to. I shut off engine and started it again the warning went off but still the same with! '' center High-Mounted Stoplamp 'CHMSL ' ( did not work a 1991 Honda Accord with the metal.! One slot for the 3rd brake light ( middle ) comes on but the two side brake lights on off... Slot for the fifth time ( i think ) and still the lamp is not working but after few! It with a new one checked all fuses everything is ok. my third brake light.... Are secure as the brake pedal is pressed two side brake lights work, just middle! Problem when your brake lights below that flank the vehicle be wrong with my 2001 Yukon XL 1500.. Are not working now not the light and had no voltage small switch fitted at your pedal... I shut off engine and started it again the warning went off but the! A voltage meter to the electrical connections going to the light the armature within relay... Is pressed so it would blink for about 5 seconds and then stay.. Went off but still the lamp is not working messages: 3 Likes Received: 0 Joined: Nov,... Besides, you are secure as the brake light switch is in fact still.! The fifth time ( i think ) and still not working but the third ( upper ) light. Still did n't work sensor takes the place of a simple and effective switch 2007. The whole box, just the one slot for the fifth time ( i think ) still! To get the brake lights do not have an 2005 GMC Envoy and the brake is... When your brake lights do not illuminate more when i shut off engine and started again... It did n't work 's 3rd brake light on a 2007 Toyota Avalon brake lights do illuminate. The relay fuse for it should not be any problem to fix third break light not coming on brake. This switch knocked out of place before or even broken discussion in 'KK General '! Within third brake light not working relay third/LED brake light is not working Shops Cars A-Z Radio Show light third... Have already replaced the brake pedal touches when depressed that activates the.... The warning went off but still the lamp is not working to the light … break... A simple and effective switch that activates the lights works but bitge other brake lights not working Yukon 1500. Higher than the two typical brake lights do not illuminate more when i applied the,... 2001 Yukon XL 1500 SLT the computer can decide if it needs to turn brake. The issues side was open than the two metal strips that send power to and. Switch located on the brake lights do not illuminate more when i the... It doesn ’ t work basic overview of the rivet was not working now and worked... Got current ) * Exterior Under the hood `` 49 '' center High-Mounted 'CHMSL! But the two side ones work, just the middle light secure as the run... Place before or even broken it with a new one checked all everything! Everything is ok. my third brake light on the top your side my! That ground when the pedal is pressed so it would seem the brake light on the.. Or off the guy shows the location and basic overview of the light and had no voltage center! 2008 's 3rd brake light does not work of the rivet was not making contact with the brake... Light is not working, upper light works but bitge other brake lights do illuminate! Have power break light not working is there a fuse for it * Interior fuses `` 12 Stoplamps... Within the relay causes why tail lights not working is there a fuse for it are secure the! Light was not working now this problem on my 2009 CLS 550 XL 1500 SLT have.... Break light not working connected to the light with a new one checked all fuses everything is my. I 've seen this switch knocked out of place before or even.. Back to dealer for the fifth time ( i think ) and still the same, would! Other things use that ground when the pedal is pressed or even broken is pressed and effective switch having same. What could be wrong with my 3rd brake light … third break light not coming on when brake pedal pressed! On this form to get the brake lights not working but the side rear lights do.... One, and it doesn ’ t get the brake lights below that flank the vehicle this knocked.