Component Tests: Notes
WARNING: This page is about a different car, the 2000 Mercury Mountaineer, 2000 Ford Explorer, 1999 Mercury Mountaineer, and 1999 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
When battery is disconnected, vehicle computer and memory system may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See
COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION before disconnecting battery.
NOTE:
Before performing following tests, ensure all multifunction switch grounds, wiring, and fuses are okay. Also, ensure all circuit connections are clean and tight. For ignition switch circuit identification, see POWER DISTRIBUTION article in WIRING DIAGRAMS. For multifunction switch circuit identification, see EXTERIOR LIGHTS article.