Learning the HARD way...
Join Date: Jan 2007
Location: Boston / Ft Myers Area
Thanked 198 Times in 194 Posts
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Re: Electrical Upgrades
The Echo Charger should connect directly to the house bank. Right now, if I read your diagram correctly, it will only charge when the off/1/both/2 switch is in an on position.
The Echo charge essentially takes power from the house bank, and uses it to preform a 3 stage charge of the starting battery.