quadratrac 101

[nickpay]

just bought a 74 wagoneer that had been in a barn for 20 years this thing is rock solid, noticed a hissing sound from 4wd switch (glovebox} went to the parts store a hour later i left with no leads on a new vacuumn switch. cannot find tag on transfer case says borg warner on bottom? where can i get a switch and what transfer case do i have i apoligize for my ignorace its my first jeep