You can use the search up top and find a bunch on this like this one. Its for a P1 but will steer u in the right direction
P1000 - 4 point harness install
Got the kids harnesses installed on the rear seats, they also fit adults too. Next plans are for the front seats with a custom harness bar.hondasxs.com
NP. personally I think once you have them strapped in tight like they should be with harnesses, there not going to go anyplace.Thanks, I just seen that one. Looks very similar just worry about belts sliding down the side of the seat.