Thunderbird V6-232 3.8L SC (1989)
Door Switch: Service and Repair
REMOVAL and INSTALLATION
1. Remove connector at switch.
2. Using an ohmmeter such as Rotunda Digital Volt Ohm Meter 007-00001, or an equivalent probe between switch terminal and ground (latch).
3. With door in latched (fully closed) position, switch should be open.
4. With door open, switch must be closed.