Getting no power to the boat

Jerry12179

Recruit
Joined
Apr 20, 2008
Messages
4
I have a 1999 Maxim 1900 SR. I was changing the spark plugs and hit the starter which made a spark. I now have no power go to the fuse box. I tested all fuses including the inline fuse by the battery and they all fine. I am getting power coming out of the battery after that fuse. Also my trim motor is working fine but that is it. I am wondering if anyone knows if their are any other fuses that I dont know about. Any help would be greatly appreciated.
 

tomandwendy

Seaman Apprentice
Joined
Mar 31, 2008
Messages
31
Re: Getting no power to the boat

I dont know if this helps you, but I accidently popped a fuse on my outboard and though it was the fusebox fuse.......well ended up being a 30amp fuse inside my motor underneath the cover twords the back. It was hard to see because it was a very small mini fuse and holder. Hope this helps.


Tom
 

Bondo

Moderator
Staff member
Joined
Apr 17, 2002
Messages
71,095
Re: Getting no power to the boat

Ayuh,.....

Your boat might be New enough to have the little square Fuse mounted on the Starter......

If it Does,.... Take it off,+ give it the "Float Test",....
Then put the Wire directly on the Starter Lug......
 

rodbolt

Supreme Mariner
Joined
Sep 1, 2003
Messages
20,066
Re: Getting no power to the boat

most later model mercruisers have a 70 or 90 amp fuse on the positive battery cable starter lug, shame on Bondo for advising to ditch a circuit protection device. :). if yours has it and it poped it means it did its job and prevented further damage.
yours also may have a 50 amp resettable breaker, usually mounted near the engine harness connector.
but no never ditch circuit protection. some years back my friend had a Toyata truck, had a short in the headlamp circuit that kept tripping the breaker.
one night he cut a small piece of copper tubing and installed it to get home from work.
truck burned to the ground on 174 near godly TX.
:)
 

marine4003

Lieutenant Junior Grade
Joined
Feb 3, 2008
Messages
1,119
Re: Getting no power to the boat

If you found all the fuses,and all are good....then you might of fried the Electronic ignition,i'm not sure,but i do know its a very sensitive piece of electronics,so if you have the owners manual check all fuses,and if there is still no power to the starter,try the solenoid,if no luck there,buy a chiltons and do a process of elimination,As you already figured out,disconnect all batterys prior to doing ANY type of electrical work.Good Luck.
 

Bt Doctur

Supreme Mariner
Joined
Aug 29, 2004
Messages
19,345
Re: Getting no power to the boat

what did you drop to cause the spark and where?
battery cable check- do you actually have power going to the starter, jump out the starter solenoid. if that works ,you have power to there, if it dosent ,you have a bad battery cable connection pos and/or neg.
starter works, key dosent- check that plastic looking square thing on the starter ,a fuse link.from there power goes to the 50A breaker mounted on the engine.
 

Don S

Honorary Moderator Emeritus
Joined
Aug 31, 2004
Messages
62,321
Re: Getting no power to the boat

Here is a picture of the fuse. It bolts directly on the large terminal on the starter.

SquareMercFuse.png
 
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