S10/T10 Blazer 4WD V6-4.3L VIN W (1997)
Parking Brake Warning Switch: Description and Operation
The parking brake switch is located on the parking brake lever assembly. It turns on the "BRAKE" lamp when the parking brake is applied and turns it
off when the parking brake is released.
Daytime Running Lamps
These vehicles use a Daytime Running Lamp (DRL) system. This system uses the parking brake switch to turn the DRL off when the ignition switch is
"ON" and the parking brake is applied.
