Rear Defogger Switch
WARNING: This page is about a different car, the 2002 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.
Ensure rear defogger switch is in OFF position. Disconnect rear defogger switch harness connector C380. See Figure. Using an ohmmeter, measure resistance between switch terminals No. 3 and 12. If continuity exists, replace rear defogger switch. If continuity does not exist, continue test. Turn rear defogger switch to ON position. Measure resistance between switch terminals No. 3 and 12. If continuity does not exist, replace rear defogger switch.