Hey my name is TJ I’ve had my ST for 10months it’s pretty much close to stock . I’ll get right into it so I had an aftermarket sound system in the car, Two 10” subs a 600watt amp and line output converter. One day on my way to Fredrick MD the subs went out on the highway after reaching my destination I touched the exposed wires that were wrapped with electrical tape spliced into the factory amp wiring harness (I know I should’ve tapped into the factory sub instead) this resulted in no more sound coming from any of the speakers in the car. I assumed I blew my amp the head unit still works and the car acts like it’s playing music but no sound . This issue is the least of my concerns because I plan on buying a new amp however a couple days later of not driving my car one day I went out to start it and it wouldn’t unlock, lock, turn on or start. I went to Ford with the core battery and bought a new one. At first the car was turning on by its own now for the first day or two but after that nothing it has to be jumped in order to start. I’ve tested the battery, starter, and alternator everything is putting out or exceeding expected voltage. Today I took it to advance to get a OBD read even though the car shows NO lights on the dash at all and turns out there’s Lost Communication with the Body Control Module , APIM, and Battery Voltage is below threshold . I plan on checking the fuses again even though I’ve been doing this but if any one has suggestions I’m open to them, thank you!