O/D Main Switch & O/D Off Indicator Light Circuit
CHECK O/D OFF INDICATOR LIGHT1. Turn the ignition switch "ON".
2. The O/D "OFF" light will come on when the O/D switch is placed at "OFF".
3. When the O/D switch is set to "ON", the O/D OFF light should go out.
If the O/D "OFF" light flashes when the O/D switch is set to "ON", the electronic control system is faulty.