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Ask Dominick Your Own Question
Dominick, Marine Mechanic
Category: Boat
Satisfied Customers: 1009
Experience:  25 Years Experience as Mechanic, 20 Yrs Boat Yard Owner/Mechanic, Factory Certified
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The 15 Amp fuse on my 2012 150 four stroke, keeps blowing checked

Customer Question

the 15 Amp fuse on my 2012 150 four stroke, keeps blowing checked battery wires all are clean and solid, port engine works fine
fuse blows as soon as I turn on battery switch
Submitted: 2 years ago.
Category: Boat
Expert:  Charles replied 2 years ago.
Hello, my name is***** you for allowing me to assist you today.
Would you please post the serial number of the engine? Mercury makes 2 versions of the 150.
Customer: replied 2 years ago.
Charles, I am Ret Navy as well, give me a couple minutes have to outside
Expert:  Charles replied 2 years ago.
Thank you for your service.
I will be here.
Customer: replied 2 years ago.
to you as well
model 1150f23hd serial 1b948882
Expert:  Charles replied 2 years ago.
That comes up as a 90 HP
Customer: replied 2 years ago.
sorry serial number is1b948582
Expert:  Charles replied 2 years ago.
Have you recently done anything with the batteries? Or a charger?
Do you have powered steering and not just hyd?
Do you have trim limit switches installed on the motors?
Customer: replied 2 years ago.
installed new battery chargers a little over 2 months ago, but have used the boat twice without problems
just hyd
I didn't install limit trim switches just what came with the engines
Expert:  Charles replied 2 years ago.
What boat do you have?
Customer: replied 2 years ago.
1989 26ft WA Pursuit, project boat nothing is like it was 25 years ago
Expert:  Charles replied 2 years ago.
Disconnect the battery charger, replace the fuse and try it again.
Customer: replied 2 years ago.
Ok, too late to do it tonight, will try tomorrow; how do I reconnect to you if it doesn't work?
Expert:  Charles replied 2 years ago.
Just reply back to this question and I will get it. I will not be on line until after 530 PM CST. I have a day job as well.
Customer: replied 2 years ago.
Hi Charles
disconnected battery charger, selected battery #1 and checked fuse and it was blown, could the selector switch have a ground, it blows before I turn the key or touch the trim switch, or is there a problem with vessel view
Expert:  Charles replied 2 years ago.
The vessel view is not normally an issue. Really since it does not power up until the key is turned.There should not be any ground wires on the switch, it should all be positive. Can yo take a few pics of your set up and let me see what you have going on? I may see something that you may be over looking.
Customer: replied 2 years ago.
Ok raining right now will send them tomorrow
Expert:  Charles replied 2 years ago.
Sounds good.