2005 Mercury 115hp Four Stroke EFI Not Charging, No Voltage output

cclements716

Petty Officer 3rd Class
Joined
Feb 17, 2011
Messages
97
Went to the boat yesterday. Both batteries are brand new and remain on trickle chragers. Started the boat up and idled it. I could see the voltage dopping on the meter. I also reved the engine to 1,700 rms which dropped the meter more. The engine has only been run a few times since last summer. DOes anyone have an idea what could be wrong. I called the local shop and they suggested the rectifier ($125). Not a bad price but i do not want to start replacing parts until i run across what is actually wrong. I did not do any other tests yesterday. It was already late and the boat is in the slip sp getting to the engine is a huge pain (On a pontoon with enclosed rear area). Anyone had the same problem or have any ideas? THANKS!
 

cclements716

Petty Officer 3rd Class
Joined
Feb 17, 2011
Messages
97
Re: 2005 Mercury 115hp Four Stroke EFI Not Charging, No Voltage output

Checked all connections, they are all clean.
 

cclements716

Petty Officer 3rd Class
Joined
Feb 17, 2011
Messages
97
Re: 2005 Mercury 115hp Four Stroke EFI Not Charging, No Voltage output

anyone?
 
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