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Thread: volvo hydraulic trim pump ??

  1. #1
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    volvo hydraulic trim pump ??

    anyone have a wiring diagram for a volvo trim pump. I have the harness it looks to be complete and connects directly to the battery with an 8 awg pos and neg wires. then it has 2 relay packs. a connector for the motor. the only two remaining wires are a green and a blue which i assume are blue up and green down coming from the trim switch. my question is what is being switched 12 volts or is it just looking for a ground? so what do I wire into the center pole on my SPDT a ground or 12 volts??

    thanks
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  2. #2
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    I hope one of these helps matty.

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  3. #3
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    Quote Originally Posted by mattyboy View Post
    anyone have a wiring diagram for a volvo trim pump. I have the harness it looks to be complete and connects directly to the battery with an 8 awg pos and neg wires. then it has 2 relay packs. a connector for the motor. the only two remaining wires are a green and a blue which i assume are blue up and green down coming from the trim switch. my question is what is being switched 12 volts or is it just looking for a ground? so what do I wire into the center pole on my SPDT a ground or 12 volts??

    thanks
    I am almost positive that the green or blue need a 12V+ signal to activate the relays, but I could check on mine tomorrow if you can't be sure from the wiring diagram Bill

    1971 Donzi 18' 2+3
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    Bill from Denison, TX - Lake Texoma

  4. #4
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    Mike, Bill,

    Thanks that's what i was told from a merc guy how the merc works just wanted to confirn the volvo was similar. this pump is for a newer 290 and was almost new. I am having some connection issues now the old pump and hoses used different size connections. will be bilge diving at the boat bone yard today.

    Thanks Again

    When the sky is grey,look out to sea.
    When the waves are high and the light is dying,
    well raise a glass and think of me...
    When I'm home again,
    boys, I'll be buying!

    My Ride

    Come Join Us on The Queen Of American Lakes



    Contact Us

    www.lgdonziclassic.com

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