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Can't find my 03 Avalanche's brake reservoir level sensor


DSJ

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Hello everyone,

 

I was wondering if anyone can help me identify where I can find the sensor for my 03 Avalanche break reservoir. In all of my internet search and Haynes Repair Manual, it says that it is under the reservoir itself. But, nothing is there. I can't find the wire at all either. There are no broken wires and no trace of any disconnected wires anywhere. Is there another location for it or it is connected somewhere else?

 

The reason I ask is that my e-brake indicator in my dash is lit even though I have disengaged it. It won't turn off and I already bled the lines and changed fluids. I wanted to make sure I trouble shoot it the best that I can before succumbing to a mechanic.

 

Any suggestion is appreciated.

 

Thank you all.

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The E-brake light is activated by a switch located near the base of the peddle.

 

The Brake light is activated by a sensor on the master cylinder reservoir

 

The ABS light is activated by a fault detected in the ABS system, often discovered by an automatic self diagnostic.

 

 

 

Changing the brake fluid, and bleeding the brakes will not effect these lights.

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Starman, thanks for the response. I'm actually looking for the wire that goes in that hole but I can't find it. Would you happen to know where that wire originates from? I've jacked the truck up, had my neighbor look with me as well and we couldn't find any loose wires.

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