CAN 2 interrupted when plugging in C127 Dash

[Stephen Dean]

The Blue and Pink wires in that connector are used for connecting to older ECU's that use Serial data for their communications, and are not relevant for communications with the M1. The "standard" CAN connector that MoTeC uses also supplies power to the device that is connecting to the CAN Bus, so on the DTM4, the following pin arrangement is used.

Pin 1 - Battery Ground - Black
Pin 2 - CAN Low - Green
Pin 3 - CAN High - White
Pin 4 - Battery 12V+ - Red

The dash does not use this arrangement for the ECU communications as it does not need to supply power to the ECU.

[Jolly Wrenchers]

Understood, thank-you Stephen.

I will call this thread resolved at this point. I have a working C127 with whatever parameters available working on the dash. I appreciate you hanging with me as I worked through this.