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2013, 6000 miles, parked in garage Fri night and Sat morning would not start, no lights no electrical at all. Charged all day Sat and today still would not start or any signs of starting. Any ideas. Battery clean and tight. Looks like full tow to dealer on Mon, sucks.
I won't mention who she is that left the parking lights on Fri night after driving in rain, but the real problem was I had an old defective charger that didn't have any juice left in it. No trip to dealer, but great help with Ford assistance service, responded in minutes and started it in seconds. Thanks, I supplied him with four lobster tails.
Don't make no never mind unless the charging was performed properly.
+(positive) charger lead > +(positive) battery post.
-(negative) charger lead > engine|frame gound.
Unless the BMS (Battery Management System) monitors the charging, it didn't happen.
is this to say that if one unhooks the battery cables before charging the battery, that the computer is going to assume that the battery is still dead -- without checking to see if it has any juice?