Question about 1994 Chevrolet K1500

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1994 Silverado 4x4 Brake Warning Light on Over 30mph

My brake warning light will come on once I reach 30mph and will stay on until I turn the truck off. When I restart the truck the light will stay out until I reach 30mph again. Fluid, pads, shoes are good. Could this be a speed sensor issue? How do I pull codes for the brake system if it's even possible on this model?

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  • biggstkk Jan 23, 2009

    park brake is not the issue it is all the way up and the light only comes on after the vehicle has reached 30 mph for the first time after being started. If a drive around for any length of time under 30 it will stay off. Will look at the plug on master in the morn.

  • Ronnie Wilson May 11, 2010

    I will Dig in Some moor in the Morning for ya ok,

  • Ronnie Wilson May 11, 2010

    Codes for Brake System (ANTI_LOCK) come from Body Moduel, and Aslo if it Was About Wheel Speed Sensor theres 4 your Anti-Lock LIGHT would come on and stay on. Have you tried pulling up on PARK Brake PEDAL? ParkBrake Switch good? Plug on Master Cylinder Resovior Loose or off ?

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6 Suggested Answers

BeamerGuy
  • 28 Answers

SOURCE: BRAKE WARNING LIGHT

Its not an electrical problem . . .. . When you change brakes you have to change the brake sensor as well. . . . . It just looks like a piece of wire with a sensor that clips onto the pad . . . . .Normally it is the outerpad. . . I cant tell you on witch sides its on cause it may differ from model to model.

Its not going to be a hazardous to the car the brake light will just keep burning.

If you replace the sensor and t he light does not stop burning it may be that your front brakes are also worn but remember just as at the back there is a sensor at the front.

Posted on Jun 26, 2008

  • 165 Answers

SOURCE: 2001 Chevrolet Silverado

Bad sensor in one wheel, they are part of the wheel bearing. Could also be a bad abs computer module, either way, not cheap.

Posted on Jun 06, 2008

bbtoast
  • 319 Answers

SOURCE: 95 sub emerg/parking brake light will not turn off

Only two things should normally activate the light:

Parking Brake engaged switch.

Low Fluid level in master cylinder.

I don't think you did any work to the Parking brake, but you should check it to be sure.

I believe that you would have double checked the fluid level, but please check it again.

Other things that could activate the light would be a worn or leaking master cylinder; improper brake fluid type; a damaged brake booster diphragm .

I have attached a link with excellent info on how a brake system works here.

Also, does the light always stay on, or only when you apply the brakes?

Brian

Posted on Jun 25, 2008

  • 1 Answer

SOURCE: 2001 Chevrolet Silverado

How do I remove the old front brake pads from a 2001 silverado?

Posted on Oct 24, 2008

  • 84 Answers

SOURCE: brake warning light on,beeper sounds when car is driving

Sounds like the sound when you leave the handbrake on. The same light as the low brake oil level will come on with the handbrake. And the warning sound coming from the cluster will come on if you leave the handbrake on and start driving to warn you that you left it on. Guessing your handbrake is not on and that your brake level sensor on the master cylinder is good (on the cap) check your handbrake switch and the wires there. You can unplug it and try it like that or you might have to bypass the 2 wires in the connector together. I can't remeber if with the handbrake on if it closes the circuit or the opposite. Once you have the connector in your hand you can unplug it with the car running and see if the light goes off. If not you can jump the 2 wires and see then. Or just check the switch isn't staying stuck. You'll see more once the handrake console is off. Just look around the mechanism of the handbrake and you'll find the switch.

Posted on Nov 20, 2008

  • 1861 Answers

SOURCE: 2004 toyota sienna warning lights

That symbol is the low tire pressure light. You have a tire that is right at the minimum threshold. The light goes off as the tire temperature rises, and, as the temp rises, the internal air pressure also rises slightly. Just check the tires with a good pressure gauge, inflate them to the specs printed on the tag inside your driver's side door, and you will be just fine.

Thanks for choosing FixYa for assistance.
A FixYa rating (4 blue diamonds) would be greatly appreciated. Thanks in advance.

Posted on Feb 20, 2009

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You have one of two problems.

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.

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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.

Thnaks for choosing FIxYa for advice!

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