Finding switched 12 volt source

I guess now I’m at the point I need to decide where to grab the 12 volts from, doing the least amount of damage to the OE wiring.

I’m thinking I may just pull the power off the fuse panel. Not sure if that is the best thing to do, or even a good thing...but that’s where I’m thinking I may get it at this point.

Any objections to this? If I’m thinking correctly, if I pull the power from the fuse block, I can leave the wiring at the ballast resister plugged in and just unplug the OE ignition box.

Of course, I could be nuttier than a jar of goobers too.

You're not going to get 12V in Crank from the fuse box. Everything goes dead in Crank, except for IGN 2. Trust me, I've been down this road.

Test it... Put a meter on whatever dose block wire and watch the voltage as you crank. If you don't have 12v in crank, the box won't fire.