Buick Workshop Service and Repair Manuals > Reatta V6-231 3.8L VIN C SFI (1990) > Brakes and Traction Control | Sensors and Switches - Brakes and Traction Control | Brake Fluid Pressure Sensor/Switch | Component Information | Description and Operation | Pressure Switch

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Brake Fluid Pressure Sensor/Switch: Description and Operation
Brake Warning Lamp Switches

Fig. 4 Pressure Differential Valve & Brake Warning Lamp Switch

Fig. 5 Pressure Differential Valve & Brake Warning Lamp Switch

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