Saab Workshop Service and Repair Manuals > 9-3 FWD (9440) L4-2.0L Turbo (B207R) (2009) > Accessories and Optional Equipment | Steering Mounted Controls Transmitter | Component Information | Diagrams | Page 15758

Steering Wheel Contact Unit, Horn/Switches (336b)|Page 15759 > < Steering Wheel Contact Unit, Horn/Switches (336b)|Page 15757

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Pin 3 receives a 12 volt PWM signal to control the brightness of the LEDs.

Wiring diagram, power supply

Accessories and Optional Equipment
Steering Mounted Controls Transmitter / Component Information
Diagrams
Page 15758

Steering Wheel Contact Unit, Horn/Switches (336b)|Page 15759 > < Steering Wheel Contact Unit, Horn/Switches (336b)|Page 15757