Test C: Charge Warning Indicator Malfunction
WARNING: This page is about a different car, the 2003 Ford Windstar and 2002 Ford Windstar. However, it is still accessible from the selected car via links, so may be relevant.
- Start engine and measure voltage of Yellow/White wire at generator terminal B+ (component side). If voltage is less than 13 volts or more than 15 volts, perform TEST A: CHARGING SYSTEM MALFUNCTION . If voltage is 13-15 volts, go to next step.
- Turn ignition switch to OFF position. Disconnect generator 3-pin connector. Start engine and let idle, wait 30 seconds and observe charge warning indicator. If charge warning indicator is off, inspect warning indicator bulb. Perform TEST J: CHARGE SYSTEM WARNING INDICATOR NEVER/ALWAYS ON under SYSTEM TESTS in appropriate ANALOG INSTRUMENT PANELS article in ACCESSORIES & EQUIPMENT. If charge warning indicator is not off, continue diagnosis of PCM controlled charging system. See TEST HY: GENERATOR/REGULATOR SYSTEM under SYSTEM TESTS in appropriate SELF-DIAGNOSTICS - EEC-V - GASOLINE & NGV article in ENGINE PERFORMANCE.