Fuel reserve indicator lamp: Notes

Fig 1: Identifying Glow Plug Indicator Lamp Communication Diagram

Courtesy of SAAB-SCANIA OF AMERICA, INC.

Fig 2: Identifying Glow Plug Indicator Lamp Communication Diagram

Courtesy of SAAB-SCANIA OF AMERICA, INC.

When approx. 10 liters of fuel are left, the lamp comes on to indicate the low fuel level. The lamp is powered from the main instrument unit and grounded internally by the main instrument unit.

The main instrument unit lights this lamp for three seconds when the ignition is switched on.