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MYLTWON
09-13-2015, 10:28 AM
I was hoping someone might have the pinouts that are used on the e37 controllers for communication and flashing. I am attempting to build a bench flash harness but dont have any of the pinouts.

Any help would be greatly appreciated.

Montecarlodrag
09-15-2015, 08:17 AM
I can get you the diagrams. Which year/model did the ECM come from?

MYLTWON
09-22-2015, 07:36 AM
Thankfully TC was nice enough to share them with me.
Here they are if anyone else needs them

Black Connector:


Pin Signal
8 Ground
19 Ignition
20 Battery
43 CAN +
44 CAN -

Playtoy_18
04-10-2017, 07:41 PM
Should this work for all E37?
Trying to read from a 2010 impala ecm,just added connector to my harness and getting nothing.
Prodemand diagrams are unreliable,i've already found mistakes in pinout.