I have a 1999 Saturn SL1 standard. My tail lights stopped working when i turn the head lights on, and the brake lights dont work, the bulb is fine, and all the other lights work fine (exept the dashboard, but that might be a separate issue). I checked the fuses under the hood and on the passenger side of the car, they all seem fine but none are labled as the tail lights. Is there another fuse box? What should i do?
I was having a similar problem with my 2000 SL. when the taillights would go, so would the cruise control. and through many bulb and fuse replacements, i finally went into a saturn dealership and they did a recall campaign on it. they did their thing and i havnt had any problems since. FREE!
Your post isn't very clear. Your taillights should not be coming on until you turn on the headlights. Now if they come on when you turn on the headlights, but go out when you step on the brakes, this is a common problem when the ground line from the bulbs is broken.
Take out a bulb and turn on the head lights. You should have 12 volts to one of the bulb terminals. When someone steps on the brakes, you should get 12 volts on another terminal in addition to the one you have for the headlights. If you are getting that, then the return path (ground) is broken.
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That does not make any sense. Do the tail lights work? There are supposed to be separate filaments for brake lights, tail lights, and turn signals. In particular the center brake light should not be possible to be confused with tail lights or signals. Does it come on? If not, then you probably have no brake lights at all, and that is probably because of the bad fuse or the switch on the brake pedal for the brake lights. If there is some sort of cross over between tail light and brake lights, that is usually from a bad light socket ground; which results in current backing up from one system to another. But then each is usually only half brightness.
Your earth is bonding properly. Make sure you have a good bond that is fixed either to your chassis, with all rust, sealent and other cotings are removed frois should dolve your problem.m the fixing. Th
Hi its rob here what make and model of car is it? it sounds like the light switch is faulty but that wouldnt stop the brake lights workin try two stop and tail light bulbs then if you have stop lights your switch is at fault
Hi, are the tail lights and the brake lights in the same light unit?
If so, there is a possibility the bulbs are in the wrong way. If it is a stop/tail bulb then there are two locating pegs on the side of the metal part. If you look, one is higher than the other which has to locate into the correct slot in the holder.
Another possibility is the bulb is wrong, there are double and single contacts. Check the contact on the base of the bulb is the same as the contacts in the holder.
We had the same problem with ours, that is a Saturn recall items. Check with your Saturn dealer to see if it is still in effect. It use to make our headlight switch get hot. I think it was a poor ground in the taillight housing, I use to wiggle the bulb plug-ins and that helped for a while, but after the recall was fixed it never did it again.