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650J no fuse box cover, can't find TCU or ECU pin out anywhere

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dropflux

New Member
Joined
Nov 14, 2024
Messages
3
Location
tx
Hey yall, TCU is losing can communication with the infamous 91.9 ecu and 609.9 sdu codes. Dont have the serial number for this dozer, it's got a 4.5L power tech in it. I have access to the fuse panel, but it doesn't have a cover on it to show what fuse goes to what. Can anyone send me a fuse diagram? Can anyone send me a wiring diagram of the CAN lines as well/pin out diagram? For reference, here is a picture of what the fuse box looks like pulled off another post1000003552.jpg
 
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