Dashboard Alternator light
Hi all, The MPPT controller on my coach will deliver 14.6 volts in bulk mode which is fine. In fact it’s exactly what the specs on my GC2 house batteries call for. But when I turn on the engine and...
Forum Discussion
theoldwizard1 wrote:eric1514 wrote:
What I don't know. I'm still not convinced that Ford didn't program the idiot light to show an over voltage condition.
I disagree !
As stated, the PCM controls the voltage. If it is not within the range of the desired voltage, the light come on. That range is very small.
Suspect it is the light circuit getting grounded ( he says, "earthed") when solar comes on or getting a high resistance from the solar coming on, which will make the dash light come on it says here:
https://www.howacarworks.com/ignition-system/troubleshooting-the-ignition-warning-light
