dual batteries drain quickly
Dual 12 volt batteries drain and are dead within 6 hrs. Everything seems to work correctly boondocking and on shore power. while boondocking the batteries will go dead within 6 hrs. I put new batte...
Forum Discussion
theoldwizard1 wrote:Define what you think is the difference between PCM and regulation, and what you thing "the PCM" is, because the normal meaning is that pulse code modulation is a method, not a thing. Also, PWM is very much more common than PCM. PCM requires being able to control the voltage directly, so there's no real advantage to modulating it for a simple battery charging circuit. PWM just basically needs a switch.
On almost all light duty vehicle built in the past 10 years, alternator charging (i.e. output voltage) is controlled by the PCM, NOT the "regulator".
