trouble with engine turning over

jmillerfla

Recruit
Joined
Oct 7, 2010
Messages
5
I have an I/O with two batteries. When battery switch is on #1 engine won't turn over, almost like a dead battery sound. When on #2 the same thing happens. When battery switch is put to all, the engine turns over like normal. Batteries are newer and fully charged. Changed battery switch and the same result. Need help to figure out where a problem may be. Any suggestions? Ignition switch, loose wire?
 

NHGuy

Captain
Joined
May 21, 2009
Messages
3,631
Re: trouble with engine turning over

Take a look in the electrics forum, I bet there's a similar post.
 

Bt Doctur

Supreme Mariner
Joined
Aug 29, 2004
Messages
19,489
Re: trouble with engine turning over

Check the battery cable grounds where they attach to the block.
 
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