I’m also waiting on the load bars. Do you mind clarifying the reason why the Gladiator is a unique part number? Are the supports a different width than the 0413 and non adjustable? Is it the bar length that is different? I was at an outfitter yesterday and they thought other bars would be able...
Sounds a lot like the issues I had with my JL. After multiple failures they found that a frame rail had too sharp an edge from factory and it had chewed through a wire causing a simple short. Cleaned up the exposed wire and it was completely resolved. Likely not your issue, but putting it out there.