Ok thanks, I will look for a bracket behind the seat on the drivers side. I can't get my seat to tilt forward, I guess they don't do that on AD trucks. My seat also has a plate that runs all the way around the front and both sides so there is no access to the under side of the seat.

52 Chevy 3100 5 Window, LS Swap, 4spd Auto, Vintage Air AC / Heat, CPP Power Front Disc Brake Conversion with bearing upgrade, Power Steering Conversion, LED Tail Lights