What is that black thing?

TickledPinkTickledPink Member Posts: 119 ✭✭
in Engine Discussions
Hi all, can anyone tell me what the unit with lots of wires in/out, to the left of the gear lube bottle is?
Thanks
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  • captkevincaptkevin Member Posts: 543 ✭✭✭
    Picture would help
    2004 232
    2021 Yamaha Fx svho
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  • PickleRickPickleRick Member Posts: 4,331 ✭✭✭✭✭
    I'll play this game

    Mercathrode box


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  • TickledPinkTickledPink Member Posts: 119 ✭✭
    Sorry, I don't know why the picture didn't upload. I'll add it now. Mind you, the guessing is funny 🤣
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  • TickledPinkTickledPink Member Posts: 119 ✭✭

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  • WillhoundWillhound Member Posts: 4,241 ✭✭✭✭✭
    edited January 2
    Oil reservoir and hydraulic pump (round black thingy )for your trim tabs. To left of pump are the electrical connections and relays to run it.
    "Knot Quite Shore" - 2000 FV270 (Sold)
    2018 Cherokee 39RL Land Yacht (Sorry...)
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  • TickledPinkTickledPink Member Posts: 119 ✭✭
    @Willhound, thank you. 
    I've learnt so much from you guys.
    Happy new year 😃
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  • aero3113aero3113 Member Posts: 9,761 ✭✭✭✭✭
    @TickledPink and @Willhound I’m pretty sure it’s the oil reservoir and drive pump for the outdrive, not the trim tabs.
    2008 330EC
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  • aero3113aero3113 Member Posts: 9,761 ✭✭✭✭✭
    edited January 2
    Trim tab pump and reservoir are usually mounted on the transom if you have hydraulic tabs, if electric, the motors are mounted outside to the tab.
    2008 330EC
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  • mbnarneymbnarney Member Posts: 194 ✭✭✭
    Its for the trim rams on your outdrive. Just had to add fluid to mine. 
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  • PickleRickPickleRick Member Posts: 4,331 ✭✭✭✭✭
    You'll get to know those little guys well.  When the solenoids go bad they click but the out drive doesn't move.  



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  • aero3113aero3113 Member Posts: 9,761 ✭✭✭✭✭
    edited January 3
    Green wire is for the down solenoid (think of grass) blue is for the up solenoid (sky)
    2008 330EC
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  • rasburyrasbury Member Posts: 8,925 ✭✭✭✭✭
    @TickledPink I have a 270 and I see you haveca 250- I'm not familiar with your boat. The good thing is we all pretty much have the same parts- some have more fiberglass than us but the parts are the same. Yes, that is your trim pump that does power the rams on the sides of your outdrive. Good to note the selonoid for the trim pump is the same one for the motor i believe....and our trim tabs are electric and each are self contained. The bigger boats may be hydraulic,  would think so anyway.
    Welcome and post some pics of your boat!
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  • aero3113aero3113 Member Posts: 9,761 ✭✭✭✭✭
    edited January 3
    @rasbury when I had my 2001 242 it had hydraulic tabs.
    2008 330EC
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  • aero3113aero3113 Member Posts: 9,761 ✭✭✭✭✭
    This is the company that manufactured them.

    https://insta-trim.com/


    2008 330EC
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  • WillhoundWillhound Member Posts: 4,241 ✭✭✭✭✭
    Sorry guys, not sure what I was thinking. Drive pump of course. It's been awhile, I shouldn't do early morning posts....🙄
    "Knot Quite Shore" - 2000 FV270 (Sold)
    2018 Cherokee 39RL Land Yacht (Sorry...)
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  • FormulabenFormulaben Confirm Email, Member Posts: 215 ✭✭✭
    No worries, we've all been there, Will.  My favorite is when I read the post incorrectly and immediately jump right in with some very helpful information that is completely unrelated to the OP's question.  :D
    2006 Fiesta Vee 270
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  • rasburyrasbury Member Posts: 8,925 ✭✭✭✭✭
    aero3113 said:
    This is the company that manufactured them.

    https://insta-trim.com/


    I suppose 25 years ago hudraulic was more reliable than tge electric stuff of the day...
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  • TickledPinkTickledPink Member Posts: 119 ✭✭
    @rasbury the boat is lovely, the engine is a pig. I'm trying to get everything done over winter so that I can actually use it this year. 
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  • rasburyrasbury Member Posts: 8,925 ✭✭✭✭✭
    Your in the right place to learn. I started here like 10 years ago...look at any of my early posts!
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