Stoplight Switch Check

WARNING: This page is about a different car, the 2005 Mitsubishi Montero. However, it is still accessible from the selected car via links, so may be relevant.

Connect an ohmmeter between the stoplight switch connector terminals.
There should be No continuity between the terminals when the plunger is pushed in as shown. There should be continuity when it is released.

Fig 1: Connecting Ohmmeter Between Stoplight Switch Connector Terminals
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Fig 2: Tester Connection Plunger Specified Condition
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.