Forum Discussion
Rustofer
Oct 01, 2018Explorer
red31 wrote:
I thought the start battery is much closer to the alternator voltage sense and therefore after a short bust of amps, they taper drastically as the starter battery is up to snuff.
I've wondered that too: does the truck's ever-more controlling computer tell the alternator to lay off once the starter battery is recharged? Some time ago I did connect to truck voltage (through the OBD-2) and verified that the output voltage remains in the 14.2 range over a longer haul.
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