weird electrical problem
 

So my 99 f250 didn't have enough juice to start the other day. My batteries are weak, and my cables are original, so I decided to replace everything. I pulled my old batteries out, as well as my positive cable, and replaced them (negative cables aren't in yet). Fairly easy, 2 brand new batteries, and I've got no power. Not a light, a click, a ding, nothin. Cleaned my grounds and terminals, still nothin. Any advice? Not sure what to do next.

where did you get the new wires? I know on my truck I had to replace the terminals and the one on the passenger side has a small wire along with two large ones if that small wire isn't firmly attached u will get nothing.