1968 Barracuda - Where is this bulkhead disconnect?

AJ/FormS said
The bulkhead disconnect is on the firewall, under the hood, just to the left of the brake M/C and below it. But it has nothing to do with the dash lights as you describe. 1969383S has you covered.
Do not take any metal tools under there, until you figure out where the ammeter is, and how to stay away from the exposed hot terminals on the back of it. They are live at all times, and if you short one to ground, you will have a major light show.

The high beam and left turn signal lamps are NOT working, and the speedometer and the left side of the clock do not light up. A ground somewhere is a likely issue, so I'm glad you said something. This car has a lot of electrical problems and I just don't have a lot of experience with fixing electrical systems in cars.

Speaking of which, the contact in the left reverse lamp socket is missing and the wire to it is disconnected. I just bought one of the Dorman universals and swapped the internal components with the existing socket and tried it. Long story short the reverse lamps, brake lights, parking lamps, and the other dash lamps stopped working and sure enough I blew the 20A fuse. I'm guessing I have a short to track down.