2012 hino flat bed tow truck

rugilex

New Recruit
Owner/Operator
I bought a 2012 Hino from an auction. The harness that runs from the fuse box next to the battery box to the main fuse box under the cab was badly burned by the exhaust. I replaced that section, and now that part of the harness has both power and ground.
The problem is the harness on the driver’s side the one that runs from the fuse box under the cab to the ECM on the engine has no power or ground at all.
I’ve checked fuses and connections, but I’m stuck. If anyone has wiring diagrams, experience with this issue, or ideas on what could be causing it, please help.

Thanks in advance!
 
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