He said that he would give me a "fix it" ticket to get the problem fixed and it won't be on my record once I take it into the station for an officer to inspect. Hello, I've recently come across a problem with my 05 Grand Caravan SXT, where when I turn the headlights on, the Taillights don't work, but when using the brake light and signal lights, it works perfectly fine. the brake pedal getting stuck and hitting the brake switch but when I don't have the head lights on, all 3 brake lights work okay. Show Less. Replace the bulb and try to reproduce the problem. Yes! The common connector between the front and rear lights is at the light switch. Search them on Amazon if necessary. The new lights should be equipped with the same amperage as the old unit. It was a peculiar problem for me. 2nd filament to the tail lights are controlled by TS switch and brake light switch... but they all run through the TS switch which sorts everything out. But when the headlights are on and the brake pedal is depressed the light doesn't come on, but the running light works. Start by taking your brake lights out and check them. Discussion in '1st Gen. Tacomas (1995-2004)' started by THE ROCKOMA, Aug 10, 2010. check your bulbs,sometimes the 2 lead contacts on the bottom of the bulbs squishes out and touches the other contact. If your parking and headlights do not turn on but the brake lights do – the ambient light sensor is the culprit. When I turn on the front headlights on and press the brake light the drivers side brake light shuts off. Then, I noticed that when I depressed the brake pedal, when the headlights were off, the right parking light would light up as well as the brake lights (stop lights). When the headlights are turned on and the brake applied, the bottom running lights (same bulb as brake lights, different filament) go out and the brake lights do not come on. Electrical problems that sometimes works and some times don't are a nightmare to trouble shoot. ©2020| TheGrumpyMechanic.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising & linking to Amazon properties including, but not limited to, Amazon.com, I have experienced the same problem once I had a 1971 jeep. Re: rear brake light doesn't work when headlights on If you take the tail light assembly off and take the bulb out, you'll see three metal contacts on the tail light assembly. We replaced the brake switch (it didn't look broken) and that didn't help. You are recommended to change these parts as soon as possible. Use a circuit tester such as # 40376 to test the vehicle side trailer connector while someone steps on the brakes in the tow vehicle. Also, shift indicator flashes with the turn signals, then goes off when the brake is … When the brake pedal is pressed, the plunger comes outward, completes the circuit and the lights … Might be something else, but that ground is where I'd start. We get a few enthusiasts, and they are facing their problems with a blown a fuse. You have to find the reason and work on it. Don't work when parking lights on either. The tail lights are fused through the instrument panel lights. I replaced the vehicle’s old parts, including the wiring, light system, and, Mostly, you need to replace the bulbs if the bulbs are turned darkened, or you’ll, Our last talk is about inspecting the ‘Turn Signal Switch.’ We have been through many vehicle models, and our experience says that some vehicles are, In this guide, we have discussed the reasons that cause brake lights failure. The first thing people usually suggest is to check the grounds at each bulb and to check that you've actually got the right bulbs in the sockets. Could be a brake light switch as well of they don't work … I have a 2003 Ford Windstar. the circuit for the brake light can loose contact in the switch. After a few days, I was told that my brake lights don’t work if the headlights are on. Aside from all that, if your brake lights don't work you can get a traffic ticket. If the headlights are on, the tail lights work, directionals work, but the brake lights don’t work. Some European cars have original specifications of the tail and brake lighting. So don't just check the brake light. The brake lights are supposed to work when you push the brake pedal and they're supposed to turn off when you release it. my brake lights wont work when my headlights are turned on. When the headlights are turned on and the brake applied, the bottom running lights (same bulb as brake lights, different filament) go out and the brake lights do not come on. I have no idea what is causing this. Brake lights work fine until the headlights are turned on. Check the brake light switch. does this sound like a relay failure, the passenger side works fine. This switch, known as a stoplight switch, consists of a plunger-style button that breaks and completes a circuit. 2nd filament to front fogs are controlled by the TS switch. I have a 2004 Club Car DS. The rear lights don't come on at all when the headlights are turned on Posted by mwickerhandy on Mar 08, 2013. Asked by 66vetteman. That place is the most common due to water might be able to leak in behind the casing and the body. It is necessary to ensure if they are working just fine. "Transmission fault, action reduced" causes the transmission to not get out of first gear, however, when I put the LR3 into "Sport" (manual mode), the transmission works perfectly. Either one light shines more than the other or the taillights completely switch off when you press the brakes. I reconnected it and the brake/tail lights work fine now. The brake lights turn on when you apply pressure on the brakes. Can it still be the brake switch with only 1 light? Plus, error brake lights can puzzle other drivers on the road. Mark. This is a strange problem since essentially the connections for both lights come from the same source. ZZDaryl. In my case, the brake lights didn't work but the turn signals did, so that told me the wiring to the bulbs was OK and the wiring running in the frame was OK and the bulb contacts were OK. 1999 Grand Cherokee brake lights work when headlights are off but don't work when headlights are on. turning my headlights on will make my brake lights in the rear not work. If the headlights are off, the brake lights do not work. Your brake lights don’t get turned off without reason. Ask Your Own Toyota Question . My brake light work when my headlights are off, but when my headlights are turned on-and I apply brake pedel-the brake lights don't work. Question: I just change normal bulbs to led lights at the tail of my trailer. Someone in the past may have shoved one in there that fit but doesn't work right and it might cause some issues. 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