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Suddenly my Boat won't start & trim doesn't work

Mercury MerCruiser

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Old 12-24-2012, 04:24 PM   #1

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Default Suddenly my Boat won't start & trim doesn't work

I tried checking fuses and ground and got a new battery. Still nada. I tried bypassing the starter. Still only getting a click. Trim switches do nothing.

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  • Old 12-24-2012, 05:07 PM   #2
     
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    Default Re: Suddenly my Boat won't start & trim doesn't work

    start with the simple stuff first, kill cord/battery isolator. then work from there
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    Old 12-24-2012, 06:08 PM   #3

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    Default Re: Suddenly my Boat won't start & trim doesn't work

    Have a look thru our guide to Troubleshooting your Starting system....
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    Old 12-27-2012, 08:53 PM   #4

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    Default Re: Suddenly my Boat won't start & trim doesn't work

    done all of this.
    I hear a click. Sometimes the starter moves a small amount.

    If I place a jumper to the braided "ground" wire going to the starter, the engine turns a tiny bit on every key turn; But the wire gets very hot.

    When I place a test light onto the braided ground wire; the light turns on. When i turn key. I hear a click and the light goes out until i return key to off position.

    Every attempt to jump the starter solenoid fails. I don't even hear a click. just a weird winding noise...
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    Old 12-27-2012, 09:02 PM   #5
     
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    Default Re: Suddenly my Boat won't start & trim doesn't work

    Need to verify you have 12v at the starter main cable , could be just a bad cable or connection , but it sounds as though the starter drive is giving you problems. It's drawing a butt load of current it sounds like.
    I'd just pull it and have it tested. Then you would be able to move to another area if it is OK.

    JMO
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    Old 12-27-2012, 09:09 PM   #6

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    Default Re: Suddenly my Boat won't start & trim doesn't work

    Thanks for the response!

    How do you pull the starter? Is it two long bolts in the back?

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    Old 12-27-2012, 10:47 PM   #7
     
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    Default Re: Suddenly my Boat won't start & trim doesn't work

    Yes sir ,
    Kinda a pain to get at sometimes , but very doable.
    Pull the mounting bolts and then undo the wiring. Pretty straight forward.
    See attachment #2 in mikeys post for the wiring at the starter.
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    Old 12-27-2012, 11:25 PM   #8
     
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    Default Re: Suddenly my Boat won't start & trim doesn't work

    you did try turning the motor over by hand ?to make sure the motor is not seized up
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    Old 12-28-2012, 06:01 AM   #9

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    Default Re: Suddenly my Boat won't start & trim doesn't work

    how do you turn an inboard over by hand?

    I am pretty sure it's not seized. i was runner her fine last weekend. Starter has been showing signs for a few weeks. I just thought it was the battery.
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    Old 12-28-2012, 09:59 AM   #10
     
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    Default

    Quote:
    Originally Posted by guyjusthere View Post
    how do you turn an inboard over by hand?
    Should be able to use a 5/8 deep socket on the crankshaft pulley.



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