Generator No-Load Test
WARNING: This page is about a different car, the 2004 Lincoln Town Car and 2003 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
Connect DVOM negative lead to ground and positive lead to B+ terminal on generator. Start and run engine at 2000 RPM with all accessories off. Read DVOM when voltage stabilizes. Voltage should be 13-15 volts.
With engine running turn on A/C (if equipped) and headlights, turn blower motor to high speed. Increase engine speed to 2000 RPM. Voltage should increase a minimum of .5 volt above base voltage.