Originally Posted By NachoRT74
Any short will take all the power, so the regulator won't get enough power to feed the alternator and keep the system going.

Same with the engine's ignition. (So even with a self-feeding alternator, the engine will almost always die.)

Here's the graphic sequence of "Any short will take all the power" up

In fact most likely the power from the alternator is first to be diverted because it is at higher voltage. But this only momentary.

Basic-Power-diagram6x-plus-running-shorts2.png
Short, first second

Basic-Power-diagram6x-plus-running-shorts3.png
Short before link burns through

Last edited by Mattax; 02/21/19 05:23 PM.