Main relay

When the ignition is ON, the main relay is operated.

Control module pin 1 is supplied with current from pin 87 of the main relay via fuse 14. This connection is used internally to supply the throttle motor with current.

Fig 1: Main Relay Power Supply Diagram

Courtesy of SAAB-SCANIA OF AMERICA, INC.

Fig 2: Circuit Diagram - Main Relay

Courtesy of SAAB-SCANIA OF AMERICA, INC.