This is a 98 blazer with the push button on the dash. I finnaly broke down and tore it down to fix the 4 wheel drive. i removed the vacume actuator system for a pull cable one i bought from summit. works nice now but i figured i would share these pictures since i could not find any

 

Awesome pics! Thanks for posting those. I hadn't seen how that shift collar/ring thing works before

 

exactly,great picīs. have never teared it down sofar,but now i see how it looks inside/ the swedp