Car Electronics and Lights
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What would cause the tailights and blinkers not to work when you turn on the headlights but when they are off everything works fine?


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2011-09-13 17:55:42
2011-09-13 17:55:42

I had this expirience many time before..... and thru most of the older cars....the only problem in it was the sockets ( light sockets at rear were the trouble side is) its loosing contact, or ground .... most of the time the sockets are kind a old and around it were the socket goes in needs leaning with a sand paper so as the outside of the socket sometimes you need to change the whole socket with new one....( they tend to get rusty by age )and check the condition of the wires too....simple little things gives headache...sometimes you have to check the contack of the bulbs specially if it is a double contact.....everything has to be having cleaned and good should solve your problem.....remmeber clean ground, priority actually , should look like new or is possible put new ones....but clean is the key , very good contact....." good luck "......Patience is another key....


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Not sure what Kind of car this is, but usually if the blinkers run fast it's because you have a bulb burnt out. I'd check your tailights first.

fuse, swich, cut wire or the flasher could be out. iwould put my money on the flasher.

Is your headlight switch and blinker switch the same? If so, this is called the combination switch. Sounds like it is bad and needs to be replaced. Not uncommon for these to break.

This usually means one of the bulbs has burnt out.

There could be numerous problems that may cause this fault. Personally, my blinkers started going out (working sometimes and sometimes not) and what I found out is this...The flasher switch that is located in the dashboard above the radio is faulty. When my blinkers do not work i just tap down on the flasher switch without turning it on and my blinkers work again. Shotty electrical work in this car if ya ask me.

Low-beam headlights that are not property adjusted can make them as bright as high-bead headlights. They also can cause you to not see the full road ahead.

where is fuse for 97 Mazda protege ? and other fuses for headlights cause they don't come on help ?

which fuse would cause your brakelights,blinkers,dashliht not to work

There are several things that can cause your 2003 Kia headlights not to work. The most common cause is a loose or corroded ground wire.

A bad ground wire will cause dim headlights, or will cause lights not to work.

Possibly a defective Turn Signal Relay. Your four way flasher switch is probably bad. Your four ways will still work but not your blinkers.

What year/make is the vehicle? Something is suspect here. If the blinkers in the rear won't work, then the ones up front won't work either because there won't be enough load on the system to cause the flasher to work. What I think, is that you probably have one of your 1157 bulbs put in wrong and it is screwing up the system in the back. In fact, if you hit the brakes, I bet the front driving lights are illuminating. Get somebody to watch.

Turning on the headlights with the engine turned of.

No, everything does not cause everything. For example, your bath will not result in me eating a sandwich; usage of my television won't result in your car running out of fuel.

It is possible that the headlights are activated by the alarm. If that is not the case, if it has auto turn on headlights the module can be going bad. Other than that I don't know.

check your front marker light or it is in your steering wheel or bulb is bad

There are several things that can make your headlights not work. First the might have blown a fuse, or maybe the bulbs burned out, or the battery might have died.

They stay on cause they runnin off the battery. there should be a car headlights switch somewhere by your spedometer stuff...

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