Static:
1. 12.8v = Ideal sitter right after a full charge. The 13v or so on the instant you remove the charger off the post say, whereas the surface charge settles out at 12.8v next day. Starts instantly.
2. 12.5v = For watt it's worth, the motherboard's function works in a higher milliamp setting. Here is your hard starting/takes more turns of the engine spiking the alt to increase the output to the battery.
3.Volt/Reg = This is where the capacitor fills up a Threshold of voltage from the alt. There is a Trigger point that shows 14.6v at the dash, and the rest of the charge is Discharged to ground. The DTT Box I call it.
4. Alt = There is an AC output of say half of the output made is north or 16v and the other half of the sweep is 16v on the south end = 32 amp stator. So every half sweep of 360° you have 16v going up the wire to the v/r. The Threshold is met and over a volt is sent to ground.
5. 13v at the dash = Possible the battery is in need of a charge for the quick and dirty test. If it does not run 14.1v or so at idle with a fully charged battery we look at the stator.
6. 14.6v at the dash = This is running at speed... any speed. There is no v/r, nor stator, nor battery issue of the 3 basic parts making up the charging system.
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