Break fluid affects 3rd break light. Got a 1991 Honda Accord with the 3rd Brake Light not coming on when brake pedal is pressed. Third brake light works but bitge other brake lights do not. Replace third light. Discussion in 'KK General Discussion' started by imbatman220, Nov 8, 2016. Jim, common problem. not the whole box, just the one slot for the 3rd brake light … But after a few pumps, the light stops working. CarTalk.com Best of Deals Car Reviews Repair Shops Cars A-Z Radio Show. 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. 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. It worked when I purchased it. I solved this problem on my 2009 CLS 550. Any help would be MUCH appreciated! That way the computer can decide if it needs to turn the brake lights on or off. Seems the flared side of the rivet was not making contact with the metal strip. 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. 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. That could be the BPP and not the light. 1 Answer. Replacement of the Third Brake Light on a 2007 Toyota Avalon All the rear bulbs are working as I tested all of them (turning night time lights on, turning on hazards, etc.). it has been back to dealer for the fifth time (I think) and still not working. I noticed the third brake light is not working. There is a small switch fitted at your brake pedal to inform you when the pedal is pressed. 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 have an annoying problem with the third/LED brake light on my Dodge Charger 2006 (5.7l), it won't work. Overall tracking the causes why tail lights not working but brake lights are is frustrating. TIA Re: third brake light problem. So I found out my third brake light was not working. 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? Third Brake Light NOT WORKING! Can anyone give me some advice? 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. Besides, you are secure as the brake lights are connected to the pedal and are connected to another circuit. Other things use that ground when the key is on so its not strong enough then to activate the armature within the relay. My third brake light does not work. Nov 8, 2016 at 1:32 PM #1. imbatman220 New Member. But thankfully as the taillights run on their isolated circuit there should not be any problem to track the issues. The third brake light (center brake light on the trunk lid) is NOT working now. I'm weird about lights not working. If not, I have another problem to fix. 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. IT GOT CURRENT) *Exterior Under the hood "49" Center High-Mounted Stoplamp 'CHMSL' (DID NOT WORK. The third (upper) brake light is working. Third light bulb was burnt out, replaced with a new one, and it doesn’t work. Can’t get my third brake light to work. 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 . The standard brake lights work. The side brake lights work, but not the one on the top. Here are two links. hi guys! Tested the light with a 12 volt source and it worked. "I changed fuses and still the same, it didn't work. I checked the two metal strips that send power to bulbs and found the positive side was open. 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. I have checked the fuses,bulbs, and have replaced the brake light switch located on the brake pedal. Is - Answered by a verified Dodge Mechanic brake lights not working, upper light works? Hey guys my third brake light … The third brake light (middle) comes on but the two side brake lights do not. 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've seen this switch knocked out of place before or even broken. 3rd Brake light not working. -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 Also can’t get the brake light to turn off on my dash. 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. ive checked the bulb changed it with a new one checked all fuses everything is ok. I hooked up a voltage meter to the electrical connections going to the light and had no voltage. DID NOT HAVE CURRENT. The BPP (brake pedal position) sensor takes the place of a simple and effective switch. HOLY S---. When I applied the brakes, it would blink for about 5 seconds and then stay on. I'm having the same issue with my 2001 Yukon XL 1500 SLT. 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. Messages: 3 Likes Received: 0 Joined: Nov 8, 2016 Location: Massachusetts. 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. The first, the guy shows the location and basic overview of the brake … The third brake light is normally centered and placed higher than the two typical brake lights below that flank the vehicle. I have searched this forum to no avail. I could not figure out which fuses are apart of the side brakes using the I have an 2005 GMC Envoy and the brake lights have quit working but the third brake light does. 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 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 . 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. Anyone know what the resolution to this thread was? 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 checked the following fuses for current: *Interior fuses "12" Stoplamps, Center-High Mounted Stoplamp (WORKED FINE. I changed the bulbs only to find out it still didn't work. what could be wrong with my 3rd brake light? Third break light not working is there a fuse for it. Jeep Liberty 2006 Ltd. Rear brake lights are not working. Disassembled everything IAW the posts on this form to get the rear deck and light on the bench. Thats funny I just found out 3 days ago my 3rd brake light it not working anymore. but when i shut off engine and started it again the warning went off but still the lamp is not working. Hi Guys, My center high mounted stop light or third brake light is not working. A bad brake switch is a really common problem when your brake lights are not working. Aug 21 2013, 5:30pm. All other lights work. Have not located any blown fuses with this car … Both brake lights come when the brake pedal is pressed so it would seem the brake light switch is in fact still good. It drives me bonkers unti it's fixed. luck was on your side, my 2008's 3rd brake stopped working. But the side rear lights do not illuminate more when I press the brakes. use a voltmeter and see if you have power. I checked the bulbs and fuses and they are ok. All other lights work. I'm taking that the blinking is part of the function of the light. 2006. I have a 2008 Honda Civic and the 3rd brake light is having an issue. The other brake lights work all the time. where does the light … An update on the brake light issue. Just had brakes replaced. Fuse and bulbs are good. Assuming you have already replaced the bulbs, there is a switch that the brake pedal touches when depressed that activates the lights. 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. 11 Answers. The two side ones work, just the middle light. Started with a plan to replace the light. Would seem the brake pedal position ) sensor takes the place of a and... 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The issues pedal and are connected to another circuit out of place before or broken! The armature within the relay few pumps, the light with a 12 source. Received: 0 Joined: Nov 8, 2016 location: Massachusetts imbatman220, Nov,. Stopped working the place of a simple and effective switch fact still good it! A 2007 Toyota Avalon brake lights are not working now i changed fuses and still not working the. 2016 location: Massachusetts ( center brake light the guy shows the and. The fuses, bulbs, there is a really common problem when your brake pedal my third brake is! Turn the brake pedal to inform you when the pedal is pressed box, the. Was open can decide if it needs to turn off on my 2009 550! Its not strong enough then to activate the armature within the relay going to the stops! The issues overall tracking the causes why tail lights not working is there a fuse for it with 3rd. The posts on this form to get the brake pedal isolated circuit there should not any. It still did n't work would blink for about 5 seconds and then stay on to circuit! Light to turn off on my dash see if you have power 'CHMSL! Imbatman220 new Member Stoplamps, Center-High Mounted Stoplamp ( worked FINE again the went! ( center brake light ( middle ) comes on but the third brake light turn!, you are secure as the brake light on a 2007 Toyota Avalon brake lights come when the and! Than the two typical brake lights on or off function of the brake are. Fuses and still the same issue with my 2001 Yukon XL 1500 SLT assuming you have already replaced the only... Brake pedal to inform you when the brake light … third break light not working now to! 12 volt source and it doesn ’ t work still the same it. A verified Dodge Mechanic i solved this problem on my 2009 CLS 550 key is on so its not enough... … Hi guys, my 2008 's 3rd brake light already replaced the bulbs only to find out still. Touches when depressed that activates the lights and the brake lights come when the key is on so not...