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Stoplight Switch

Disconnect stoplight switch connector. Using ohmmeter, check continuity between stoplight switch connector terminals. See Fig 1 . With brake pedal depressed, continuity should exist between terminals "A" and "B". With brake pedal released, continuity should exist between terminals "C" and "D". If continuity is not as specified, replace stoplight switch.

Fig 1: Identifying Stoplight Switch Connector Terminals
G96G20236Courtesy of MAZDA MOTORS CORP.