GM Service Manual Online
For 1990-2009 cars only

The Park Brake Warning System consists of two main components.

    • Park Brake Warning Switch
    • Instrument Cluster (IP Cluster)

Power is supplied to the system from the Gauges Fuse 4 through CKT 39 (PNK) to the IP Cluster cavity 31. Ground for the indicator lamp is provided through CKT 33 (TAN/WHT) to the Parking Brake Switch when the park brake is applied.