Cargo Light mounting question

[incoma]

For all of you guys that had to re-mount the cargo light - How did you do it? I havne't had any luck finding a mounting nut like the original. I've found some well nuts and they aren't tightening up enough to hold the cargo light against the cab. I was going to try to use some normal nuts, but the light connector that fits inside the sheet metal won't let me get a wrench on it to tighten.. Please help me out with some thoughts...I'm getting frusterated.