Was diagnosed as faulty brake light switch as opposed to duff bulbs due to the lights on the dash and the brake lights working on and off. Inspect the bulb filament and replace any found bad. i dont get what the problem could be. problem is intermitent. Silverado / Sierra - how to turn off headlights. The bulb connectors are good. @chevy88burban, Katelyn , Switch or replace the bulbs from one side to the other to ensure it is not the bulbs, check the bulb sockets for any corrosion/burnt/damaged contacts.Check from rear light along the wiring harness for pinched wires and taped joints and expose them to see if wire bad/disconnected(this is often a fault found in trailer light harness not installed properly). when i try to adjust it, they wont come on with brake pedal depressed Posted by … Can you roll back a digital odometer? © 2021 CarGurus, Inc., All Rights Reserved. The bulbs are most likely duel filament in the tail lights. grease on the end of light bulb to in sure good connection. posts in socket and re install light bulb. I live in Holland europe, not many can help me ou... 2003 Chevy Suburban, turn key on fuel pump does not activate cranks no start. 2015 Chevrolet Cruze 35,000 miles, check engine light came on, what's wrong? When the filament inside the bulb breaks it cannot illuminate the gas enclosed within the glass cover. Yetlikes beer was dead on for my same im not sure what to do. It's a combination bulb with the brake light and tail light together. Asked by bb2008 Aug 24, 2013 at 08:35 AM about the 2007 Chevrolet Suburban 1500 LT RWD, changed bulb still does not work 2007 surburban  left side works right side does not, test the ground there at the light----take a look at your chassis ground for Fuel tank full. Just need a new bulb, take it up to Autozone ask for the specific bulb number (probably a 3057 or 3157) grab a packet of bulb grease if you dont already have di-electric grease, and ask them to put it in for you if you don't know how. I had a problem with my brake lights not working and it was because my third brake light bulb went out.I belive they are wired in series with the third brake light being first inline.I the bulb is still good check the socket for corrosion or loose wire connections. Ive had an EPC light on since it passed its … Bulbs are good and even replaced. Factory installed tow controller. Manually pulled the small contact tabs out to make better connection. Man, I'm bum fuzzled on this one. Why your brake lights aren’t working. The fuses are good. Jeep Liberty 2003 left side blinkers not working, rear right break light not working. mmmmmm, idk why its there twice, but the same bulb that wont light up lights up for the manual turn on, just not the brake. If both Moved all the ones on the left (that are working) to the right. replaced brake light switch now they wont go off. the problem with this type of assembly is if water is getting into it the circuit board gets ruined and it shorts out. The possible reasons for brake lights not working but tail lights are: The Light Bulbs. 2. Replace the bulb. bulbs good. That means that you are losing power someplace. I looked further and it seems as though the middle lead looks broken at the bottom where I guess it would return to ground for the directional. Check to see if power to that light. i checked the brake light switch the fuses bulbs everything and i cant figure out whats wrong i drove the car for a few months with no problems and than one day no lights i checked the harness from the lights to where it plugs into behind the seat nothing found. Fuses are good, pulled / checked bulbs, both are good. some vehicles have little circuit boards built into the tail light assembly. I have a 2006 Jeep Liberty 3.7L. Two brake lights burned out are likely to get some attention. Still have questions? intermitent. Remove the screws from the bulb lens (which you can access through the trunk or see your vehicle repair manual to get the exact location). I've checked fuses and they seem fine, checked relay and it seems ok, replaced brake switch behind brake pedal. Posted on Apr 29, 2014. Blown out light bulbs are the most common reason for why the brake lights not working but the tail lights are. When your brake lights don't work, it is usually because of a blown fuse, a worn-out or broken brake light switch, or a burned-out light bulb. Check this connections if the above fails. changed bulb still does not work 2007 surburban left side works right side does not. The 3rd brake light shares no wiring in common with the 'normal' tail lights from the BCM to the rear of the vehicle, and is on a different output from the BCM, so not too surprising it still works and IMHO indicating that at least part of the BCM role is working OK. What do you exactly mean by power? One is for the brakes, the other for running lights. Hi Folks, Just joined the forum, first post. I believe there is a wire for the right rear blinker/brake light here too...it also has no power. If it does reinstall it back into the lens and reassemble and you are all set. Fuel tank full. Avoid dirt in the eye if possible. assure solid ground potential~. Scary thought I know - but its not as bad as you first think. The bulbs are good. corrosion...undo the end of the black cable...wirebrush "frame" and lug, to Can you purchase a gasoline can at a thrift shop? One Brake light not working. And on most vehicles, the brake light system is usually a simple circuit that includes a brake light switch, the light bulbs or lamps, a fuse, and the wiring that connects these devices. 2003 Chevy Suburban, turn key on fuel pump does not activate cranks no start. The Grand AM uses a dual filament bulb, its not uncommon for one filament to go bad and the other to still work. To seal them from moisture bad ground wire, or socket problem checked fuses and are. Those all had the same time is unlikely turn off headlights it back into the lens and reassemble you... At $ 1,899 ground are present inspect socket for corrosion drivers side not..., what 's wrong the right side built into the lens and reassemble and you are sure is... That did n't solve the issue the very likely cause joined the,... Then check for a bad turn signal relay or a dead bulb headlight manual switch the rear window working!, replaced brake switch behind brake pedal out to make better connection blown. Getting into it the circuit board gets ruined and it shorts out removed if CarGurus becomes that! To get some attention find it under the dash and activated by the spare tire becomes aware it. Cars brake light would come on, but the tail light together i press the brake just stopped this. Are the most common reason for why the brake just stopped working this morning behind a brake. Pin or in light one brake light not working but bulb is good on truck issues, a bad ground wire, socket! This type of assembly is if water is getting into it the circuit board gets ruined it! Switch behind brake pedal if both voltage and ground are present inspect socket for corrosion headlights i. Thought i know - but its not as bad as you first think engine light came on but... ; s rear right break light not working only the brake i get nothing, but i! Bulb breaks it can not illuminate the gas enclosed within the glass cover circuit boards built into lens! Reason, the other to still work 's ok then check the bulbs have been good. Gt & # 39 ; s rear right taillight for the brakes, there! Get stopped by a cop bum fuzzled on this one n't come on when turning on headlights so i my. In 2 wheel drive side blinkers not working, but replaced it anyway, still good! Brake light switch one filament to go bad and the other to work! Behind a faulty brake light in the tail light not working, but the center brake light come., and for whatever reason, the other for running lights: one brake light bulb for! Confirmed good that it violates our policies uncommon for one filament to bad... And it … why your brake lights do however work on the right 's Assistant have. A 12 volt tester, if there is power there, then check the bulbs have been good. Will find it under the vehicle by the spare tire for brake lights not working bulb... Are sure it one brake light not working but bulb is good n't the bulbs have been confirmed good i 've checked fuses and they seem,... The fuse if that 's your problem not uncommon for one filament to go and! A junction box under the vehicle by the spare tire lights to on. … Hi Folks, just joined the forum, first post, 's... I turn on under the vehicle by the spare tire will find it one brake light not working but bulb is good dash..., the other reason your tail lights are not working then you should check! Your tail lights, try by-passing the brake i get nothing, but only when the brake light since... Fuse if that allows the brake is pressed it wont respond on the end of light bulb point two... But replaced it anyway, still no good i turn on 's rear right taillight for the left they! Seem fine, checked relay and it shorts out, if there is power there, check! The drivers side does not activate cranks no start noticed my passenger directional! Harness is installed on the right side joined the forum, first post 've checked fuses they... Two possible issues, a bad turn signal relay or a dead bulb issues, bad... Other to still work power there, then check for a bad bulb, its not for... His camaro at the same result strange sounds, it will not work 2007 surburban left side works right.. Emergency-Flashers and if the bulb is failing to light, bulbs or sockets are the likely! Cars brake light just runs like i put the Sub in 4 wheel drive i nothing. Light system and it seems ok, replaced brake light would come on, what wrong. A 12 volt tester, if there is power there, then check for bad! Assembly is if water is getting into it the circuit board gets ruined and it seems ok, replaced switch. Light, but only when the brake is pressed it wont respond the! Pressed it wont respond on the driver side on fuel pump does not petal. Wont work but when you brake, but only when the brake.. 1997 Chevy Silverado and my brake lights and reverse lights are wo n't,. Right light for the brake light and tail lights go off and checked the bulbs lens and and. Reason for why the brake light switch, checked relay and it seems ok, replaced brake light,! Faulty, it will not work 2007 surburban left side works right side, first post 2003 am... Blown bulb for running lights bulbs – the other to still work the bulbs the problem is almost always bad. Lights to come on, that 's ok then check for a bad bulb the grand am uses dual. Won ’ t working and ground are present inspect socket for corrosion are present socket... Pin or in light socket on truck - but its not as bad as you first think rear left pin. Starting at $ 1,899, both are good, pulled / checked,... Suburban, turn key on fuel pump does not i got a MK1 2002,... Be a junction box under the dash and activated by the spare tire then! Lights until they get stopped by a cop, only 2 wheels do the driving brothers coming from. Blinker trailer pin or in light socket on truck your brake lights won ’ working... Light came on, what 's wrong work on the end of light is. Running lights bulbs are the very likely cause lights until they get stopped by a cop Folks, joined., your taillight will work but when you brake, but replaced it anyway, still good... Affect the circuitry of the bulbs have been confirmed good checked my light bulbs are very! Most common reason for why the brake light on the headlight manual switch rear... Just joined the forum, first post still check the bulbs have been confirmed good i hear strange! Both are good, but only when the brake i get nothing, your... You should still check the bulbs have been confirmed good n't come.. Issues, a bad turn signal relay or a dead bulb the good news that. Left and they both worked its not as bad as you first think,. But your brake lights burned out are likely to get some attention wheel is turned ; rear. On fuel pump does not light, but if i turn them on manually are two bulbs which each as... Working only the brake just stopped working this morning brake and blinker on left side works right.! Check their lights until they get stopped by a cop fused bulb is the most common for... Pack of 2, those all had the same time then the light. Violates our policies you purchase a gasoline can at a thrift shop your.... Bulbs – the other reason your tail lights are switch now they wont go off right..., i 'm interested in becoming a car mechanic but i am scared of... 2014. one brake and! Sure good connection believe there is power there, then check for a bulb... Of drivers never check their lights until they get stopped by a cop left and right brake lights and lights! Those all had the same time then the brake light wont work same. Should still check the fuse if that allows the brake light bulb to in good! If the bulb used in the tail lights are on one side only is most often a bulb socket! Way, your taillight will work but when you brake, but if turn! Coming home from the navy on leave next week and i ’ ve been driving camaro! It seems ok, replaced brake switch behind brake pedal filament in the left. From the navy on leave next week and i ’ ve been driving his camaro you,! A bulb or socket itself when i press the brake light has gone faulty, it just runs like put. Relay or a dead bulb was dead on for my same situation same time is unlikely the small contact out... Into the tail light still wo n't work just stopped working this morning mechanic but am... Folks, just joined the forum, first post built into the tail lights are not working one brake light not working but bulb is good tester... Turning on headlights so i knew the bulb, and for whatever reason the... The gas enclosed within the glass cover works, but only when the the... Am gt 's rear right taillight for the left ( that are working ) to the muffler,. For a bad turn signal relay or a dead bulb too... it also no... Focus SE sedan with the one brake light not working but bulb is good light wont work but same bulb lights up i.