In news:1OCdnWWWGLAtYN3bnZ2dnUVZ_oSnnZ2d@sedona.net,
Michael Pardee <michaeltnull@cybertrails.com> wrote:
> "Patrick" <ptri.c.k.@statrerv.corn> wrote in message
> news:5acbhiF2nvc8kU1@mid.individual.net...
>> I have a 1990 Civic 4-door 5-speed with those annoying automatic
>> shoulder harnesses which don't seem to be providing the restraint
>> that the lap belts
>> and rear-seat shoulder harnesses provide. If I tug on them quickly
>> they don't lock in position, unlike the others.
....
>
> I've seen it in quite a few cars. The shoulder harness in those cars
> has an inertia device in the pillar that is supposed to lock up when
> the car decelerates sharply.

This type of shoulder harness has only an attachment-point raceway along the
top of the door and pillar; the inertia device is at the excess spool on the
inboard side of the seat.