rusefi_documentation/Custom-M111-Full-Engine-Har...

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# Notes on fully custom M111 Engine Harness
See also [HOWTO-M111-on-microRusEFI](HOWTO-M111-on-microRusEFI)
## Reference point
While harness design is work in progress we use reference point R. R is currently 100cm from ECU.
R+5 would mean "5cm further away from ECU from point R", "R-5" would mean "5cm closer to ECU"
## Sensors subassembly
x4 sensor gnd crimp, R+40cm
x3 sensor +5v crimp, R+40cm
![x](Images/harness-connectors/mercedes/sensors-assembly-fuel-pressure.png)
![x](Images/harness-connectors/mercedes/sensors-assembly-tmap.png)
![x](Images/harness-connectors/mercedes/sensors-assembly-clt.png)
![x](Images/harness-connectors/mercedes/sensors-assembly-cam.png)
## Actuators subassembly
x4 power gnd crimp, R+45cm
x4 power from main relay +12v crimp, R+45cm
![x](Images/harness-connectors/mercedes/secondary-flap.png)
![x](Images/harness-connectors/mercedes/secondary-boost-control.png)
TODO supercharger clutch 200cm green 55cm red
![x](Images/harness-connectors/mercedes/secondary-vvt.png)