Can someone with 2-point belts direct me to where the factory mounting points are in the older 70-series? I have a LJ73 FRP top (so no 3-point belt for me, missing the bar to mount them on) from -89 missing seatbelts in the back and trying to figure out where the belts go. From what I gather the receiver is mounted on the underside of the seat and the belt end in the floor? Anyone have a pic of how the factory setup is/was?