Voltage regulator problem with 1968 Dart

Ok first of all yes I searched the forum and found some information, but this situation is unique.

background:
1968 dodge dart with a 440/727
New M&H wiring harness in the engine bay
Original Harness under dash in very nice shape
Battery relocated to the trunk
Brand new Battery
Brand new alternator, dual field converted to single with one terminal grounded.
Brand new Voltage Regulator
6ga continous wire running from the alternator to the trunk

Here's the problem.

The car does not want to charge I installed a new Alternator and Voltage Regulator
when you turn the key to Accessory position, the voltage regulator gets fried and smoke comes out.
I checked the voltage at the blue wire coming into the voltage regulator, 12.4 volts

I also noticed the the car is also blowing the fuse for the cigar lighter/dome light.
cold these 2 thing be related?

The car starts up and runs but it's running off of the battery.

From what I looked up already most of the diagnosing and running jumper wires assumes the battery is still in engine bay.

I looked at everything for anything obvious(blown wire,melted wires,mouse eating wires, shorted to ground, etc.)

Any tips you guys have for me? The car ran fine and charged fine and did not have this problem before it got parked indoors and the motor rebuilt.

thank you