

So above are two pics, first is near the firewall seal, and it looks like it plugs into the heater core vsv, just want to be sure. The second is near the ea2 connector the 2 prong one, wondering where it's suppose to go.
I've searched and have quite a bit of good info but some of the links are dead now unfortunately... Just curious too on the body plugs, my car has no tems, pps, abs, or a/c. So do I only have to worry about the m1/b1 connectors?
As far as reverse lights go haven't found much, the motor I got came with an auto tranny, so which wires on the tranny harness do I need to splice into my w58 reverse lights.
Another thing, I'm taking the approach of cutting a hole In the firewall instead of extending the main harness, can't seem to find a straight answer, some say enlarge the speedo cable hole, others say to cut a hole below it, I wanna make sure I do it right the first time and that my harness will reach. So what's the verdict on that? And how far will I need to extend the body plugs going this route, 10 or so inches?
Also I've got the ea2 connector all figured out, and I'm just going to splice that into my 7m fuse box, as far as the alternator power wire I just run it straight to the battery right?
As far as o2 sensors go I have just the one at the manifold that came with the engine, it's hooked up and everything, is there any others I need to worry about and run the wires to them or should I be fine with just one o2? I'm not going to run any cats...
Thanks for the help everyone!