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Which wire charges battery

I just put a 1990 70hp Evinrud

I just put a 1990 70hp Evinrude on my pontoon boat. The boat is set up with dual batteries and an isolator. Which wire on the motor is the charging output? I don't have a service manual yet and need to properly wire this to get on the water this weekend. Thanks!
 
"your stator,sends voltage to

"your stator,sends voltage to rect/reg,where it is changed to dc,on the red wire that goes to batt cable pos,on solenoid,from there it goes to batt."
 
"I have a 1979 100hp johnson o

"I have a 1979 100hp johnson outboard. the starter seems to be engaged, or maybe hung up on the flywheel gear. is this normal and will it snap down after starting, or is the starter in need of repair and should be down and snap up when starting?"
 
"Thanks, jwb. That's what

"Thanks, jwb. That's what I was thinking. I found the recifier and the red wire coming from it. It is now disconnected from the solenoid and run out to the isolator. For peace of mind, I wish I had the schematic in front of me tho."
 
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