So, I've been wondering for quite a while about the rear seatbelts in my 89 tercel. There are 3 lap belts, but also another strap for the two outer seats that originates from back by the hatch. I can see how this might be some sort of over the shoulder harness, but what confuses me is that the end is "male" and I cannot find any female attachment. It looks similar to the regular seatbelt, except that where you imagine a hole, there's a round bump. Anyone with answers?
if you look on the 2 outside lap belts under the strap on the metal piece, there is a hole. you slide the knob on the top belt throught there so you get a belt like the front. like this
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Pull your seat bottom out, the female ends probably slipped down behind it. Maybe you can stick your hand between the seat back and seat bottom and fish them out.