WHEN USING THIS FUNCTION, YOU CAN NOT AT THE SAME TIME USE AUX-2

Speedometer Out

The Controller can drive a Mercedes Speedo.

The 8 pin plug on the back of the speedo has to be connected like this, the pin used is only the 3 down to the Right

Black = Ground

Yellow signal from Controller “TachoOut” (need to change to Speedometer)

Red = 12V

If you have an R129 Speedo it is pin 1 & 12 you have to use 

On the below type it is different, Found on internet, have not tried it myself, own risk

sensor for electronic speedometer - ( :. )-

Up left pin is #3pin - white wire - sensor signal,

Down left pin ie #4 pin - brown wire - ground,

Down right pin is #2 pin - black/violet/red-dot wire - +12V terminal 15 ....

wis record - ra54001240252x (54-0252)

   Signal out for the nerds :-)

“Setup Menu” -> “Tacho out”

Can be set to different value if the speedo shows too little make the number higher. start width the number “15”

If set to “1” then a test signal 100 HZ is send out, should show around 70 - 80 km/h on the speedo.

If set to “-3” then the speed will go between 0 - 250 ONLY for testing

W126 old S class

Red short is Old starter lockout

Left button is Speedo from controller

Right button is ground

Also the W210 Instrument can be used.

The Speedo and RPM can be run over CANBUS