[...trimmed text...]

[...] [[...]]

You could read the whole link. Mostly good info.

There aren't "two voltages." Really, the alternator/rectifier output is connected in parallel with the battery. "Parallel," ... Login to read more.

Files Referenced:

iATN Members:
Login to read this message and participate
Auto Repair Pros:
Join iATN to read this message and others
Vehicle Owners:
Find a nearby iATN member to repair your vehicle