Main relay

When the ignition is in position ON, the main relay will operate.

Control module pin 1 is supplied from main relay pin 87 via fuse 26. This connection is used internally to feed the throttle motor.

Fig 1: Identifying Supply Circuit From Main Relay To Control Module

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Fig 2: Main Relay - Control Module Communication Diagram

Courtesy of SAAB-SCANIA OF AMERICA, INC.