Do a search for that and see if those symptoms match yours... fix is to resolder bad soldering connections in the module... 1 - 13 of 13 Posts If both low and high beam not working only common thing to both is the ground wire....see diagram...verify by connecting circuit tester from positive battery terminal to ground wire in the plug once disconnected from the headlight bulb on that side....you could check yourself by checking the ground wire on the other working headlight. High beam works fine but not the low beam. Malfunctioning low-beam headlights are often caused by broken dimmer switches, burned-out light bulbs or broken running-light relay switches. In most cases, their diagrams are right from the factory manuals. 4. Different headlight types and different headlight bulbs have different life spans, so if one of your bulbs is broken it will most likely have blown or burnt out as Xenon HID bulbs also known as Gas Discharge bulbs have certain working hours for every different brand and model. Fuse #11 should be driver's side low beam. Pro … read more Relay switches are also common reasons for malfunctioning headlights. So I spent a couple hours looking around here last night, and it seems that my model (2003 Jetta GLS TDI Wagon) headlamp has a dual filament bulb which could explain this. One of my headlights went out, so after about a month of driving with my high beams on, I finally bought a new bulb. Low beam Headlights don’t work GM has issued a service bulletin 10-08-42-001C to address a headlights don’t work problem on the vehicles listed below. When you notice one side not working (Low or High beam) it could be the module. Splice in the new pigtail using only Duraseal splice sleeves (salmon, P/N 19168446). Fuse #5 in the fuse/relay box controls the left side high beam; remove and clean. Bulb is new, fuse is fine, relay is fine, and I even cleaned up the ground wire (not perfect, but cleaner than the other side's and that light is working). One headlight had the low beam working intermittently, sometimes i would turn the car on it would work. If only the sockets of the low beams are bad, it will cause headlights not working but high beams are. High beam okay. Eautorepair.net redraws factory wiring diagrams in color and includes the component, splice and ground locations right in their diagrams. How the COVID-19 Pandemic Impacts the PS5 Shortage. Corrosion, a bad ground, or some other issues can damage the sockets and disrupt the power flow to the bulbs. Sometimes i turn it on and it doesn't. Its a sealed globe with a h4 connecter (3 wires connecting to the globe). Broken headlight bulb. Given only one side is dead, its likely the power mosfet assembly IF lack of voltage can be traced to the fuse, it doesn't leave many options. The dimmer switch on a vehicle is located on the steering column, dashboard or foot board. Pricing: ---Eautorepair.net--- 1 month subscription $19.95 per vehicle 1-year subscription $29.95 per vehicle 4-year subscription $44.95 per vehicle ---Alldatadiy.com--- 1-year $29.95 subscription: additional vehicles $19/95 each 5-year $49.95 subscription: additional vehicles $34.95 each Which one should YOU choose? A burned-out light bulb could also cause low-beam lights to malfunction. So my passenger-side low-beam headlight has stopped working. Cool Automotive Products and Tool Recommendations, Read AUTO REPAIR ARTICLES sorted by topic, Windshield wiper washer fluid not spraying, Custom Wordpress Website created by Wizzy Wig Web Design, Minneapolis MN. 2. 1. One low beam only will work on the plow, both low beams on the truck work when the plow is unhooked, both high beams work on both the plow and truck. If youâve replaced the bulb and still the headlights donât work, check the condition of the connector. If it is fewer than 12 or so volts, there is an issue somewhere in your electrical system. Malfunctioning low-beam headlights are often caused by broken dimmer switches, burned-out light bulbs or broken running-light relay switches. GM has issued a service bulletin 10-08-42-001CÂ to address a headlights donât work problem on the vehicles listed below. Did the Groundhog See Their Shadow — and Why Do We Care? I swapped the known good bulb from the other side and the low beam was still out, even though the high beam and fog lights were all functional. I have a 1991 Toyota HiAce and I have recently had trouble with the right low beam headlight not working. High beams work fine. I do not think this is the problem, but while you are at it, remove and clean ground wire W9. If the low beam headlights not proper current it can stop working. 5. What is odd is that when turning the switch to low beams the high beam light on the dash comes one. How to fix the issue where both of your low beam headlamps go out at the same time. The high beam lights work fine also. Hi, Both low beam headlights are not working. A low beam headlight isn't very glamorous, but it's a pretty vital piece of safety equipment. 2004 Toyota Sienna XLE. Most headlight failures that are limited to just high or low beams are related to a relay or the high beam control switch. from the connector. The magnetic switch that, in modern vehicles, is controlled by the car's computer system. How to get home, and what is the most common cause for this failure. It is not a must that you replace the bulbs on both sides of the car if it’s only one of them that isn’t working. If you see discoloration or melting, replace the connector with the revised pigtails shown below. That saves a lot of time because you donât have to refer back to the component locator or circuit locations. Let's Get Celestial: Start Using Sky Maps Tonight for Stargazing. All bulbs are plugged into a socket. Unless blinding everyone else on the road with your hi-beams simply because one or both of your low beam lights are malfunctioning is your thing, then it’s time to get to work, and troubleshoot your low beam lights. I noticed later in the evening that the drivers side low beam headlight was not working (passengers side worked). There should be a listing of all your fuses. The high beam continued to work for a while. If this is your first visit, be sure to check out the FAQ by clicking the link above. However, Alldatadiy.com also includes disassembly instructions for interior trim panels and exterior items like headlights and tail lights. 2008-2011 Buick Enclave 2007-2011 Cadillac Escalade, Escalade ESV, Escalade EXT 2008-2011 Cadillac CTS, CTS-V 2010-2011 Cadillac CTS Sport Wagon, SRX 2006-2011 Chevrolet Impala 2007-2011 Chevrolet Avalanche, Silverado, Suburban, Tahoe 2008-2011 Chevrolet Malibu 2009-2011 Chevrolet Traverse 2010-2011 Chevrolet Equinox 2007-2011 GMC Acadia, Sierra, Yukon, Yukon XL, Yukon Denali, Yukon Denali XL 2010-2011 GMC Terrain 2006-2010 Pontiac G6 2007-2010 Saturn AURA, OUTLOOK, CTS, SRX, Mailbu, AURA, G6, Full-size trucks, Acadia, Enclave, Traverse, OUTLOOKÂ 20939657 pigtail Equinox, Terrain, Impala 20938905 connector assembly OUTLOOK 20913209 harness assembly. I installed a new headlight bulb on just one side of my car. So you have to refer to the factory legends to learn the identification symbols and then refer back to circuit diagrams to find the splice and ground locations. My drivers side low beam headlight is not working. Can't figure out what is causing this light not to go on. If the problem is electrical, it is important to take the vehicle to a qualified mechanic for diagnosis and repair. Still nothing. If both the high and low beams are on the same side and they are both not working, your car’s electrical wiring might have a problem that is preventing power from getting to the bulbs. Driver's side low beam headlight out. Hi, Your model does not have a separate fuse for left and right assemblies. After replacing the driver’s side headlight bulb twice on our 2006 Dodge Ram 2500 SLT 4WD Cummins Diesel pickup, the low beam still wasn’t working. The running lights work just fine but when you flip on the lights only the passenger side headlight works. The cause: Foggy lenses, worn out bulbs, or a charging system issue. And when i say that, it looks like I'm getting light from the same lamp, but with different intensities. After installing it, the low beam still doesn't work. I have changed the bulbs and checked the fuses and it's still not working. The FSM lists these as possible issues for the problem:- Bulb- Headlight circuit (between bulb and control module)- Switch- Switch circuit (between switch and control module)- Control module. 2006 Dodge Ram Low Beam Headlight. The Driver Side headlight went out. Yesterday afternoon I installed the JBR short shifter plate/bushings and the corksport intake. When the low beams stop working (or work intermittently), your only options are to either a) drive with your high beams on (something that might incite a case of road rage) or b) drive without lights … Initially thought the light was burnt out so I replaced it with a new one… Next I checked the fuse box. Cleaning the covers with toothpaste usually eliminates this problem. All of the lights work except for one low beam headlight. You may have to register before you can post: click the register link above to proceed. And fuse #16 is passenger's side low beam. The filament in your low beam bulb may be about to break or there may be a voltage issue going to the headlight when you have the low beams on. All the electrical systems in your car, including the headlights, are … Get the BEST auto repair information Alldatadiy.com and Eautorepair.net are professional-grade shop manualsâperiod. Is a Revocable Trust Right for Protecting Your Assets? I tried swapping the bulbs out, and the one that worked on one side doesn't work on the other, so it's not the bulb. 1-3/4-in. Alldatadiy.com, on the other hand, uses the factory diagrams. They include wiring diagrams and technical service bulletins. Although, the high beams work just fine which are from the same light bulb. Low Beam Headlight Not Working There can be reasons like faulty fuses, bulbs, relay near the battery, a connector that connects to the holder of the headlight bulb, etc. It is unusual for both sockets to be damaged at the same time. If the running light relay malfunctions, the low-beam headlights will not work. Moved both new bulb and old bulb to passenger side, both bulbs good. Consequently, the high beams might work, but the low beams do not. Dirty Fingers. If youâre tracking down a wiring issue, Eautorepair.net is the better choice. Blinker works fine, high-beams work fine. To start viewing messages, select the forum that you want to visit from the selection below. One low beam headlight not working. But now this happens when I try switching between high and low beam: driver side is low beam, passenger is high beam -switch- driver side is high beam, passenger is low beam My only guess is the new bulb has it's wires reversed in comparison to my old bulb. My driver's side lights are working fine - high and low beams. One low beam head lights will not work, high beam works though. Other splice sleeves may not protect the splice from moisture or provide a good electrical connection. “Didn’t I just replace that high beam bulb?” you say as the high beams fail yet … Only the one side, and daytime running lights still work fine. When the switch no longer makes the correct connection with the car's electrical system, the low beams will not activate. Use a voltmeter to see how many volts are reaching the headlight. Why Are My Low-Beam Headlights Not Working. For the record, there's only one fuse and one relay per bulb, so if it was the fuse or relay then the bulb would be completely out -- no low OR high beam. If you install your HID kit or LED kit and they … If I switch plug 3 and 4 then the opposite low beam will work so it's not a bulb or the plow connection, I think it's something in the isolation module or something. I installed the H11/9005 with the R1 resistor kit and it’s been working great for a couple of weeks. 3. Remove left side headlight and check for a partially melted connector. If just one bulb fails to work in either high beam mode or low beam mode, it may be the bulb. However, this usually means that the headlights will not work regardless of the dimmer switch setting. Non HID lights. Hi all! If the fuses that I mentioned are not the right ones look at your fuse block label. Buy the replacement bulb Install new headlight bulb and test. My HID Kit or LED Kit does not turn on at all. the globes are both working well as I switched the right globe onto the left hand headlight slot with both low and high beam working for both globes. If the problem is electrical, it is important to take the vehicle to a qualified mechanic for diagnosis and repair. If you’ve replaced the bulb and still the headlights don’t work, check the condition of the connector. Headlights work but seem dim. Replaced bulb, still not working. Hey all! If it is just a single faulty bulb, try replacing it temporarily with the bulb from the opposite headlamp. Then splice in the new pigtail (parts numbers shown below) using the splice sleeve. If you need to dig into your doors, dash or console, Alldatadiy.com is the better choice because Eautorepair.net doesnât any interior or exterior trim or body part removal. I have replaced bulb, checked fuses and they are good. I replaced both the 15 and the 10 amp fuses for the H/L Hi/L and and H/L Hi/R. I transferred the light bulb to the good headlight to make sure the bulb was good and worked, it did indeed work. Cut the wires approx. Headlight Fuse or Relay. Power to the headlights is sent through the lowbeam fuse (known good, since one side works) through the headlight low beam relay (known good since one side works), then splits to the two headlight bulbs. 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