I fixed it!! Turns out that there is a ball barring in the SCTM that tells the seat belts if the truck is upside-down. Mine had fallen out of its mount and was upside-down. I turned it back over and low and behold the seatbelts work. Thanks to everyone for the help.
Last edited by Jippyjap182; 08-09-2011 at 08:32 AM.