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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1564 (Instrumentation, Message Center And Warning Chimes (Except Electric) (1 Of2)) >> Description And Operation >> Instrument Panel Cluster (IPC) - System Operation and Component Description >> Component Description >> Parking Brake Position Switch

Parking Brake Position Switch

WARNING: This page is about a different car, the 2018 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.

The parking brake position switch is hardwired to the BCM through a signal and ground circuit. The BCM provides a reference voltage on the signal circuit. The parking brake position switch is grounded externally through a separate circuit. When the parking brake is not applied, the parking brake position switch is open. When the parking brake is applied, the parking brake position switch closes, pulling the reference voltage low.

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