89 Honda Accord brake light and turn signal seem connected
On the car, when you hit the brake pedal, the left rear turn signal lights up and one filament in the brake lamp comes on, the turn light bright and the brake light dimly.If you have the turn signal on and hit the brake pedal, the left turn flashes very quickly. Let off the brake and the speed goes back to normal. I pulled out the flasher unit and it has no effect on the way the left brake lamp lights (as previously described). Somehow the two have gotten connected. I swapped out all bulbs with no change (all correct bulb numbers too). All other lamps work normal on the back end. I am hoping that someone may have run into this. Thanks.
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in any vehicle the wiring looms earth connections are very important
make sure all the earth connections are clean and tight
also check the brake light switch thats mounted by the pedal
check the contacts on both rear lights bulb holders
This sounds like Brake Light Switch, can be found at any local parts store, for under $15 and easy enough to replace. The switch is located under the brake pedal and depresses when you hit the brakes, causing the brake lights to turn on. Replacing this is cheap and easy.
If your rear brake lights are on all the time, I would first check your brake pedal. Near the top of the pedal, probably just about where the pedal is attached to its pivot, you'll see a little switch that is either pressed in or released when you step on the brakes. That's the switch that controls your rear brake lights. As an experiment, have a helper look at the brake lights while you manually pull or push this switch all the way in and out. These switches wear over time and can stick in position. Fortunately, they're not expensive to replace, if that turns out to be the problem.
If your brake light switch seems to be working properly (hard to tell if the brake lights won't go off), a second possibility is that there's a short somewhere in your wiring and your brake lights are getting power from the shorted wire. I think this is a pretty unlikely cause, because most of the wires that rub up against the brake light wiring are for your turn signals and tail lights, and these are not normally energized. If you said that your brake lights always came on when you activated your turn signal or when you turned on your other lights, then this cause would be much more likely.
Check your brake pedal switch and the wire connections to it. I have a feeling that you'll find your problem.
there is a little box on the left side of the trunk in the brake lamp harness chances are this little control unit burnt up. find it and unplug it and make sure the connector did not get burned also take the box apart it will have some tabs by the connector end to slide the inside out check the printed circuit board to see if it is burnt.If it is it will cost you about a hundred bucks from the dealer.
Either you have a bad brake light switch, or your stopper for the brake light switch is missing. Check where the brake light switch contacts the brake pedal. If there is a hole, you are missing the stopper, if not you need a switch.
Of course you can make this repair! I'm wondering about the faulty bulb that shorted out all the brake lights...not sure if that's what happened. Your brake light switch is located on the brake pedal, up above where your foot goes. It has a plug in connector which you unplug, then loosen the locknut where it attaches to the pedal.Put in the new switch, lock nut 1st, then plug it in. Note that the locknut is the adjustment point that determines when your brake lights go on. Adjust the locknut so that the brake lights go on when the pedal is depressed within 1/2 an inch (13mm)of pushing down on it. If the switch is adjusted without enough play (say 1/8 inch or less), brake lights may flicker on and off when you go over a bump.If over 1/2 inch, brake lights might go on only if great force on pedal is used (or not at all, yikes!).For good diagrams of parts check out South Bay Honda (hondapartscheap)web site. You enter the year, model, engine, and you can scroll thru tons of parts. If you have any more questions, do not hesitate to post it for me. countrycurt0