It wasn't meant as an insult. Guess everything makes you butt hurt, and this isn't the first time with you so,,,,,well, I'll just stop there. I'm outta here.
Sounds like you are seeing the parking brake cables. Without photos, so going by your description.The rear hose goes from the brake line vertically to the rear axle, and is attached to the axle tube with a hollow bolt, which is also the axle vent.
In case you're not aware, there are poly spring isolator pads available, if needed or wanted.
For U-bolts, you can get them at a parts store. Match them up by diameter and center to center spread distance. In most cases, you will need to cut them to length as they're "universal" parts.
You know what's worse? It's when you look all over for that tool you just had in your hand, and then find it,,,,,,,,in your hand.
That's when you know it's time to shut off the lights, lock the door, and go in for the night.
I would suspect the master piston is not all the way released just enough to block the compensation ports, and holding some pressure in the system. With the brakes dragging, the fluid heats up and expands, but can't return to the reservoir. Then the brakes drag more and more.
Never ran into it...
Chances are it's not an alarm. Doubt Imperials had a factory alarm, and alarms usually honk the horn over and over, not a steady blast.
Just shooting possibles out.
Try checking the horn relay for being stuck "on", or being energized. May want to try removing the horn pad and unplugging it (if...
It's a coolant temp controlled vacuum valve. CCEI is Coolant Controlled Idle Enrichment. If you car has (or had) it, one of the hoses would go to something similar to a power valve screwed to the front of the carb.
It was used on the Holley 2V on 360 w/auto trans, and Thermoquad w/auto trans...