Going crazy looking for seat belts

[Houston Ben]

Hi all,
New here to forum and truck. I bought an 86 Chevy swb and the seat belts don't lock up when pulled fast. I was wondering if anyone knows where to buy the replacement. LMC has some but they are different than the ones I have. Here is what I have, can someone help me before I go crazy!!

Thanks,

Ben

 

[bucket]

I don't think it matters how fast you pull on the belts. I think there's some kind of weight mechanism in the retractor assembly that locks the belt when the truck experiences sudden movement.

 

[Houston Ben]

Thanks Bucket,
It appears that they work via pendulum so when you slam on the breaks the pendulum swings allowing the lock to pop up. I unbolted the seat belt and tilted it and it works just fine. Thanks for the help.

Ben