Diesel Data: Automotive Repair

Parking Brake Warning Switch: Testing and Inspection

Parking Brake Switch Test

1. Remove the center console.
2. Disconnect the parking brake switch connector (A) from the parking brake switch (B)





3. Check for continuity between the switch terminal (C) and body ground.

^ With the parking brake lever up, there should be continuity.
^ With the parking brake lever down, there should be no continuity.

NOTE: If the parking brake switch is OK, but the brake system indicator does not work, do the input test for the daytime running lights control unit.

4. Connect the parking brake switch connector.
5. Reinstall the center console.