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Stoplight Switch

WARNING: This page is about a different car, the 2004 Mitsubishi Eclipse. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the connector.
Check for continuity between the terminals of the switch.

Fig 1: Continuity Table

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Fig 2: Identifying Stoplight Switch Terminals

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.