Generator No-Load Test
WARNING: This page is about a different car, the 2003 Mercury Mountaineer, 2003 Ford Explorer, 2002 Mercury Mountaineer, and 2002 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
Connect voltmeter positive lead to generator B+ terminal, or battery and negative lead to ground. Start and run engine at 2000 RPM with all accessories off. Read voltmeter when voltage stabilizes. Voltage should be 13-15 volts.