390 Express starter problem, need wiring diagram!

Ralph Trimble

New Member
May 18, 2019
2
Boat Info
390 cruiser
Engines
440
Hello,
This is my first post in the forum, I am drawn here by a quest to find a wiring diagram for a 1990 390 Sea Ray Express.
The boat is popping the circuit breaker at random while starting the starboard engine, sometimes it starts, sometimes it pops. Circuit breakers have been substituted, solenoid and starter have been replaced and the problem persists.
I have traced wires as much as possible and have been unable to find a short or worn wire etc. A wiring diagram would help me understand what is going on more clearly and perhaps locate the source of this issue, if anyone has a copy (even for a similar model/year) I would appreciate if you would share it with me.
If anyone has advice to offer on other places I may look for the source of this issue that would be greately appreciated as well.
Thank you
 
I bet you have a tired circuit breaker. Cheap and easy replacement. I would do that first.
 
Go on the searay site and request a wiring diagram from them. I did that and it took about a week but they emailed me a 18 page original wiring diagram for my 1995 290 DA. Gotta love that kind of customer support!!
 
I had done that earlier today, wasn't sure I would get a reply, I am more hopeful now. Thanks
 
I had done that earlier today, wasn't sure I would get a reply, I am more hopeful now. Thanks
I didn't think I would get a reply, but low and behold I got a email from them!! As said before can't beat that for customer service!!
 

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