1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

brake light on dash?

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Old 05-14-09, 01:06 PM
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CA brake light on dash?

i need to switch off my brake light on my 82gsl cuz its stuck on and nothin seems to be wrong with my brakes?
Old 05-14-09, 01:09 PM
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Something is either wrong with your brakes (low fluid, e-brake partially on) , or the brake light system (fluid level switch, brake light switch, wiring).

Fix it, don't switch it off.
Old 05-14-09, 02:47 PM
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check your fluid, make sure your hand brake is not engaged. or clean your sensor at the reservoir
Old 05-14-09, 04:43 PM
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I had this same problem. It was low brake fluid for me.
Old 05-14-09, 07:42 PM
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If it's not the brake fluid, your break light switch or your light bolts, check your relay. Sometimes they lose contact and the light on the dash comes on and back lights don't come on.
Old 05-21-09, 10:42 PM
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iv cheked the fluid levels there fine iv unpluged the conections at the resivuor and the botom of the e brake handel and it stayes on
Old 05-21-09, 11:07 PM
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or release e-brake while driving
Old 05-21-09, 11:14 PM
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check your rear break bulbs also there is a float in the reservoire that is magnetic, clean it.

Had the same problem with a car i'm restoring and it was the float. Cleaned it, put it back in, and that was it.
Old 05-22-09, 03:00 AM
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I'd point to rear bulbs. The light has 4 different functions, and any of the following will set it off:

Low fluid (magnetic float with reed switch)
Proportioning valve is shuttled (leak in front or rear hydraulic circuit)
E-brake is up
One of your rear light bulbs is blown
Old 05-22-09, 05:45 AM
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i would personally look into the e-brake switch. remove and test it for proper function. sounds like its not working properly. you may be able to remove and clean it and get it back to normal function.
Old 05-22-09, 07:44 AM
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Originally Posted by robertbmx
iv cheked the fluid levels there fine iv unpluged the conections at the resivuor and the botom of the e brake handel and it stayes on
There is one more switch in the circuit besides those two. There is a switch inside the ignition switch. One of the several plugs leading to the ignition switch has 4 terminals. Two terminals are unused. The other two have Black and Red/black (wiring diagram says Black/red) wires. Unplug this plug and see if the light goes off.

We are talking about the warning light that says "Brake", right. Not the one that says "Stop Lamp". Were are mixing their functions together. The stop lamp warning is for bad bulbs and proportioning valve. Brake is for fluid level and E-brake.
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