S15/T15 Sonoma P/U 4WD V6-262 4.3L VIN W CPI (1994)
Brake Light Switch: Description and Operation
PURPOSE
The brake switch signals the control module to turn "OFF" the torque converter clutch when the brakes are applied.
OPERATION
The brake switch is normally closed. When the brake pedal is applied the switch will open, changing the signal to the control module. The control
module uses this signal to de-energize the TCC solenoid when brake pedal is applied.
LOCATION
The brake switch is located on the brake pedal mounting bracket.