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  1. M

    1993 Volvo penta 431 no power from alternator to fuel pump

    Thank you for the wiring Diagram, it helps. From what I gather, I should apply battery voltage directly from b+ on the alternator over to the wire that excites the alternator and see if I can get the alternator to output power to the fuel pump. I wish I knew where the wires to the alternator...
  2. M

    1993 Volvo penta 431 no power from alternator to fuel pump

    I do not have a SN handy as of right now, but I can get it when I head back to the marina It is a 431B (I believe) , which is a v6 block, Carb style, red engine.
  3. M

    1993 Volvo penta 431 no power from alternator to fuel pump

    Hello, this is my first post here. I have a 1993 Tiara 270 with twin Volvo Penta 431's. The other day I stayed aboard overnight and when I tried starting the starboard engine it would only run for about 30 seconds. After researching I figured out that the fuel pump gets power during cranking...
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