ATU 300 harness power wire?
ONfarmer
Posted 9/22/2022 12:47 (#9856044)
Subject: ATU 300 harness power wire?


Southwestern Ontario
Using an ATU 300 in our combine. Having issues where after a few minutes the display comes up with communication failure and then the ATU icon disappears from the menu. I know it is from voltage issues.

The problem is I can't find a schematic or anything to tell me which wires on the rectangle ATU plug are power and ground. There are a couple different sets of red and black, so not sure how to tell which ones are which. Would anyone be able to point me in the right direction?
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