Wiring connectors for the Roadster
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Wiring & Pinouts
Roadster OBD Pin Out
OBD Socket Location Roadster - Hidden by a removable panel directly below the steering wheel. Roadster The table below shows the connections to and from the OBD. It shows that each controller has its own diagnostics line which is used by the Mercedes Star Machine or...
Roadster OBD Wiring
Key:
E = Earth
C4/8 = Connection plug 4, pin 8
Fuse* or F* = Direct connection fuse number
Black Yellow = Wire colour
Modules are labeled in the picture.
Roadster Power Steering Wiring
Key:
E = Earth
C4/8 = Connection plug 4, pin 8
Fuse* or F* = Direct connection fuse number
Black Yellow = Wire colour
Modules are labeled in the picture.
Roadster Roof Wiring
Key:
E = Earth
C4/8 = Connection plug 4, pin 8
Fuse* or F* = Direct connection fuse number
Black Yellow = Wire colour
Modules are labeled in the picture.
Roadster SAM Unit Pin Out
All the inputs and outputs of the SAM unit
Roadster SAM Unit Wiring
Key:
E = Earth
C4/8 = Connection plug 4, pin 8
Fuse* or F* = Direct connection fuse number
Black Yellow = Wire colour
Modules are labeled in the picture.
Roadster SE Drive Pin Out
The SE Drive is the unit that contains the gear stick, ignition and all the other electrical magic. Let's have a look at it and discover how it works and what makes the semi auto different to the full auto.
Roadster Speedo Pin Out
Pin Wire Colour Connects To Function 1 Yellow/Red Light Stalk Pin 1 Fog Lamp Symbol 2 Brown/White SAM Plug 5, Pin 7 Fuse 6, Illumination 3 Grey Outside Temp Sensor Pin 1 External Temp Sensor 4 N/C N/C N/C 5 Green/Blue Driver's Seat Buckle (If Fitted) Seat Belt Warning...
Roadster Steering Wheel Wiring
Key:
E = Earth
C4/8 = Connection plug 4, pin 8
Fuse* or F* = Direct connection fuse number
Black Yellow = Wire colour
Roadster Switch Bank Pinout
Left Window Switch Pin Number Wire Colour Function Connection 1 Green/Black Motor 2 Green/White Motor 3 Brown Earth 4 Black/Yellow Power Input SAM Plug 1, Pin 1 5 Brown/White LED Power Input SAM Plug 5, Pin 7 Boot Switch Pin Number Wire Colour Function Connection 1...
Roadster Transmission Pin Out
Transmission (Gear Box) Connections If you are experiencing the 3 Bar error on the speedo display, there is a very high chance that the issue lies with the wiring loom to actuators and sensors that control the gearbox. A visual inspection of the wiring loom often...
Roadster Trip Computer Wiring
Roadster Trip Computer Wiring This shows the wiring colours, pin positions and connections between electronic modules.
Roadster Window Wiring
Key:
E = Earth
C4/8 = Connection plug 4, pin 8
Fuse* or F* = Direct connection fuse number
Black Yellow = Wire colour
Modules are labeled in the picture.
Roadster Wing Mirror Wiring
Key:
E = Earth
C4/8 = Connection plug 4, pin 8
Fuse* or F* = Direct connection fuse number
Black Yellow = Wire colour
Modules are labeled in the picture.
Roadster Wiper Wiring
Key:
E = Earth
C4/8 = Connection plug 4, pin 8
Fuse* or F* = Direct connection fuse number
Black Yellow = Wire colour
Modules are labeled in the picture.
Speed Pulse Connection
Many of the Blaupunkt sat-nav systems rely on a pulse generated by the car so the sat-nav can determine more accurately the speed of the car when it is out of range or view of the satellites.
Stereo Connections
If you want to connect anything to or from your smart standard stereo you are going to need to know what does what.