Lights-on indicator lamp: Notes

Fig 1: Identifying Lights-On Indicator Lamp

Courtesy of SAAB-SCANIA OF AMERICA, INC.

Fig 2: Identifying Circuit Diagram - Lights-On Indicator Lamp

Courtesy of SAAB-SCANIA OF AMERICA, INC.

An indicator lamp shows when the headlamps are switched on. The lamp is situated below the speedometer.

The lamp is powered by the main instrument unit and is grounded internally by the main instrument unit. The indicator lamp is turned on by the control module when the main instrument unit input (pin 12) is supplied with B+ from the light switch.