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Home >> Lincoln >> 2019 >> MKZ Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Steering Column Switches >> Steering Wheel And Column Electrical Components (Except Hybrid) >> Description And Operation >> Steering Wheel and Column Electrical Components - System Operation and Component Description >> Component Description >> Stoplamp Switch

Stoplamp Switch

The stoplamp switch is a dual contact switch. One set of contacts is normally open and receives voltage at all times. The other set of contacts is normally closed and is connected to ground.

When the normally open contacts close, the voltage is sent to the BCM and PCM.

When the normally closed contacts open, the ground circuit to the PCM is momentarily interrupted.

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