Generator No-Load Test
WARNING: This page is about a different car, the 2004 Lincoln Aviator. 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. If voltage is not as specified, see SYMPTOM INDEX table under SYSTEM TESTS.