I give up. My Class A Ford battery is dead. I was having a problem iwith my battery dying in storage, so I brought it in to an auto parts store and found out it was weak. Installed the new battery an...
You could add a "Trik-L-Start" or an "AMP-L_Start" to keep the engine battery charged from your onboard converter. A simple three wire connection is all that's needed. That would keep the ECM, clock, radio, and other settings intact.