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Stevel0748

CAN connection from ECU to DASH2 Pro

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Hi All,

 

I have been searching for a little while for the answer but with no joy.

 I have a plug n play G4+ and want to connect to a race technology Dash2 Pro via the Can port.

I have connected a CANPCB cable to the CAN1 port on the ecu

I have a CANF plug that I will be attaching 2 wires, CANH & CANL to pins 3 & 4 this will connect to the CANPCB

On the Dash side of things, I have a CAN connector that only has 2 wires coming off marked CAN H & CAN L

So my question is: are there only 2 wires that physically connect the two devices together by the Can H & CAN L connections or do I need to add a ground and voltage in as well, if so where?

Thanks in advance

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Can high and low is all you need to communicate.  It is a differential bus which is resistant to noise.  The dash can be powered independently.  The grounds may well be shared though as the chassis is effectively the ground reference. 

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