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Home >> Land Rover >> 2001 >> Discovery Series II SD >> Repair and Diagnosis >> Accessories & Equipment >> Memory Modules >> Body Control Unit >> Operation >> Anti-theft system >> Bonnet switch
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Bonnet switch

The bonnet switch is powered from the BCU and is used as a logical input for operation of the security system. The switch is normally open with the bonnet closed, when the bonnet is opened the switch contacts close to complete a circuit to earth and signal the change in state to the BCU.