My C98 is wired exactly as you describe. One lead goes to the vert linearity control. The other goes to a lug on the flyback frame but has no apparent connection to the flyback. Instead, a green-insulated wire from the lug snakes behind a coil, comes out the other side and is soldered to the chassis. Here's an old picture:
https://picasaweb.google.com/lh/phot...eat=directlink
-Winky