Forum Discussion
garry1p
Aug 18, 2015Explorer
It has been awhile since I have seen a diagram of the EMS but I think the relays in the EMS work off 12VDC if so it would sound like the house batteries are dead or disconnected and the EMS is getting 12V from the engine running.
MrWizard has covered all the basics above.
MrWizard has covered all the basics above.
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