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Home >> Mercury >> 2001 >> Villager Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Brake On-Off Switch
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Brake On-Off Switch

Brake On-Off (BOO) switch is mounted on the brake pedal. Switch is closed when brake pedal is depressed. Lock-up torque converter uses this signal and is a factor in air/fuel ratio adjustment.

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