Self-Test Input
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 1985 Ford Ranger, 1985 Ford RV Cutaway, 1985 Ford Pickup, 1985 Ford Econoline, and 1985 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
Self-test input is a wire (pigtail) in Self-Test connector used to start the Quick Test. Self-Test procedures are built into EEC IV control module so system can display continuous Self-Test codes for diagnosis of intermittent problems.