- For PLM, Radio telemetry and GSM telemetry, the serial cable connects directly to the mating connector on the device.
For the M4 with serial number 3000 and greater, M2R and MLS ECUs, a mating connector must be wired to the ECU connector to provide a connection point for the serial cable.
(Click on the part number to download a datasheet.)
Prefabricated Device Wiring: Serial RS232
D9 to M4 ECU loom