Spent 4 hours tracking down a brake controller issue on a car hauler

Ngl, I just finished fighting with a brake controller on my 2017 F-550 that I use for hauling cars. Took me from 8 AM to noon to figure out it was just a blown fuse in the trailer plug harness. Felt like a total idiot but man am I relieved it wasn't something worse. Anyone else ever spend way too long on a simple fix?

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the_morgan2d ago

Bet you checked the main fuse box three times before the trailer harness too.