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Re: Brake light comes on while driving.
There is most likely a problem with the cables and instruments that either sense them or turn the light on. Because as you said if the brake light turns on but it doesn't brake then its not the brakes fault. Hope I Helped!
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My ABS and Brake light goes on alot. Also sometimes my gages will go up and down for no reason. That is what they call the GM shuffel. It happens to alot of GM vehicles.
I never had a problem with loosing power or the tranny stuck in second gear. Sounds electrical, if no one can help here, get that thing to a garage before your hurt.
There is a lock mechanism that prevents moving shifter out of PARK unless your foot is on the brake. You can bypass this by sticking a small flat blade screwdriver or a key into the little slot on the console by the shift lever.
Are your brake lights coming on when you press the brake pedal?The shift lock is released electrically when your foot is on the brake, and the sensor is tied to the brake light switch circuit. The brake light switch can be seen if you look under the dash at the brake arm. First, check the connector. If the switch is out of adjustment, you can screw it in or out to adjust. Or just buy a new one.
most cases it would just be a ground wire that is loosing connection and gaining it back. other times it can be that the e-brake needs to be tightened up. i wouldnt worry to much about the e-brake coming on while your driving unless you notice there is a problem when the car is starting to drive. i would look at the whole e-brake system starting with the cables and working my way back to the shoes and drums. maybe all you need to do is just fine tune it a little
there is a sensor in the brake fluid resovoir. if the fluid gets low, the brake light comes on. i'd say its borderline low and when you go up a hill it goes below the sensor level. add a little brake fluid to the resovoir and see if that helps
when any kind brake warning lights come on.it warning you that you have brake failure.have it towed in .not safe to drive they have to scan it to check abs and trac system.you cant do much at home.far as working on it.garage has to use special equipment to work on abs brake system.
The most common issue it low brake fluid in the master cylinder. As the brakes wear down, the brake fluid level drops proportionally. On the side of the master cylinder is a sensor, that measures the fluid level. Open the hood and check the level. If is is anywhere close to the "MIN" line, you may have some brakes that need replaced.
The second issue, and it is more rare, is the park brake cable rusting, and hanging up.
Easy way to check either: When the light comes on, open the hood and unplug the wire going to the sensor on the side of the master cylinder. If the light goes out, your fluid level is the issue.