Code 11
WARNING: This page is about a different car, the 1989 Ford Ranger, 1989 Ford Pickup, 1989 Ford Cab & Chassis, 1989 Ford Bronco II, and 1989 Ford Bronco. However, it is still accessible from the selected car via links, so may be relevant.
- Depress brake pedal and check stoplight operation. If stoplights do not operate, repair stoplight circuit and retest system. If stoplights operate properly, turn ignition off. Unplug control module connector. Measure voltage at module connector pin No. 11 while depressing brake pedal.
- If voltage is less than 9 volts, repair open in Light Green wire between stoplight switch and control module. If voltage is 9 volts or more, check 4-way flasher, turn signal and cruise control (if equipped) circuits for feedback or short.