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Wiring & Pinouts guides and mods

451 Fortwo Speedo Pin Out

Modification Details




451 Speedo Pin Out

Speedo Pin Wire Colour Connects To Purpose
1 Red/White SAM Unit Plug 2, Pin 1 Fuse 12, Permanent Live
2 Brown Ground Ground
3 N/C
4 N/C
5 Green SAM Unit Plug 8, Pin 40 CAN Bus High
6 Green/White Heater Controller Pin 8, OBD Pin 8, ESP Pin 35, 
Airbag Controller Pin 17, Steering Angle Sensor Pin 2
CAN Bus Low
7 Brown/Green Steering Wheel Pin 8 Paddle Ground
8 Green/White SAM Unit Plug 8, Pin 39 CAN Bus Low
9 Green Heater Controller Pin 9, OBD Pin 14, ESP Pin 14,
Airbag Controller Pin 18, Steering Angle Sensor Pin 1
CAN Bus High
10 N/C
11 N/C
12 Grey/Blue Radio, Button Bank Pin 1, Heater Controller Pin 11 Adjustable Lighting Output
13 N/C
14 Black/Red SAM Unit Plug 3, Pin 2 Fuse 18, Switched Live
15 Blue/Pink Steering Wheel Pin 9 Paddle Input
16 Brown/Violet External Temperature Sensor Pin 2 External Temp Sensor -
17 N/C
18 Violet External Temperature Sensor Pin 1 External Temp Sensor +


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