Test D: Warning Indicator Is On With Engine Running, System Charges
WARNING: This page is about a different car, the 2004 Ford Pickup, 2004 Ford F550 Super Duty, 2004 Ford F450 Super Duty, and 2004 Ford Excursion. However, it is still accessible from the selected car via links, so may be relevant.
- Check "I" Circuit (Light Green/Red Wire) For A Short To Ground
Turn ignition off. Disconnect generator 3-pin connector. Turn ignition on. Observe warning indicator. Is the charging system warning indicator illuminated? If yes, repair short to ground in Light Green/Red wire between generator and instrument panel. See WIRING DIAGRAMS . If no, install a new generator. See GENERATOR under REMOVAL & INSTALLATION.