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Volvo Penta 4.3 GL Fuel Pump Relay Pinout

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  • Volvo Penta 4.3 GL Fuel Pump Relay Pinout

    Anyone know the pin out for the fuel pump relay for a 1996 4.3 Gl Volvo Penta
    with a Holly 2 Bbl carb

    There are 5 wires to the relay

    Red= 12 all the time
    Yellow with Red Stripe=fuel pump + side
    Black= Fuel Pump - side
    Orange= Don't know
    Green = Don't know

    Any idea whats controlling the orange and green wire

  • #2
    Re: Volvo Penta 4.3 GL Fuel Pump Relay Pinout

    The orange wire comes from the start relay, and the green wire comes from the alternator. Both go thru diodes.


    Don S.


    Please, no PM's (Private Messages) regarding boat/engine problems.
    That is what the forums are for.
    Only forum/moderator issues will be answered in PM's.

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    • #3
      Sign up today
      Re: Volvo Penta 4.3 GL Fuel Pump Relay Pinout

      Thanks for the print out I think this is my problem.
      Got a new relay this morning and everything seems ok running on the muffs

      opened up old relay and found some corrosion all in it.

      Headed to to lake now to give it a try

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