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Home >> Ford >> 1991 >> Bronco 4.9 Y, Standard, M5OD-R2 >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Input Devices >> Neutral Safety Switch (NSS)

Neutral Safety Switch (NSS)

Mounted on side of transmission, this switch monitors gear position on automatic transmission vehicles. The signal affects air/fuel ratio, idle speed and EGR flow.

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