CM2200 bench harness pinout

[1906]

I think I found the correct diagrams...can someone confirm for me?

All on the GRAY connector.

ground...pin 2, pin 4, pin 6

battery constant...pin 3, pin 5

ignition-on trigger...pin 71

CAN-C (low)...pin 18
CAN-C (high)...pin 35

I assume the J1939-CAN pins are not used with EFILive, and its only the "CAN-C" circuits that go to pins 6 and 14 on the OBD port...

All you need is:

2 GND
3 +12V
18 CAN-
35 CAN+
70 IGN

[GMPX]

All you need is:

2 GND
3 +12V
18 CAN-
35 CAN+
70 IGN

I agree, this arrangement works fine for our bench ECM's too. We also have 71 to IGN but that might not be necessary, s4door if you are having no luck it might be worth hooking pin 71 up as well to switched +12V.

[s4door]

I have tried using both pins 70 and 71 with no luck. Is it possible it is security related? No SKIM or WIN modules present? I assumed that a bench setup over-rode any factory safeguards. On another post I stated that this was a used ECM that came with the rest of the package, motor, injectors ect. My source said he would replace this one if I wasn't able to get it flashed.

[Barret]

Hey sorry to jump in but maybe you can help me out I