I'm going to post a reply to my own question. I talked with my mechanic this morning and he was able to help me a little. I'm not sure about all OBS trucks but mine has the rear-abs thing only (I forget the name) and then the proportioning valve just below the master cylinder. If you remember in the post above I asked about the "brake" light still being on. Well I've learned that the light is set when there is a pressure difference between the front and rear brake; a piston/plunger in the proportioning valve offsets from center and triggers the light on the dash. Normally when that happens and you bleed and pressurize the bad line (front or rear) the proportioning valve resets. Since it is a '93 that makes my truck sort of an older truck and he said the valve can stick. The fix is to bleed my front brakes since the rear was where the problem was and if that does work tap on the valve lightly while bleeding.
I'm still curious to see if anyone else has input but I thought I would share more