WARNING: This page is about a different car, the 2004 Mercury Monterey and 2004 Ford Freestar. However, it is still accessible from the selected car via links, so may be relevant.
REAR WINDOW DEFROST POWER C402A
Pin Number (s)
Circuit Designation/Description
Normal Condition/Measurement
1
1205 (BK) rear window defrost grid ground
5 ohms or less between the rear window defrost and ground.