I will try my best to answer all of your questions.
However, before we get started, please let me mention a few things.
1. If at any point you would like to speak on the phone, please feel free to request a phone call on your end and I can call you right away.
2. If you dont understand any technical terms or anything that I mention (component tests or theory or operation), please let me know and I will provide you with a more in debt explanation or answer.
3. Please understand that I am here to help you anyway I can.
Your losing voltage.. causing things to drop out. If the battery is new and is in fact good, this may just be a bad connection at or after the battery.
Another possible cause is a faulty ignition switch.'
Please check the battery voltage and the voltage on the fuses inside the vehicle with the key in the CRANK position.
Let me know!