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Thread: Ballast pump wiring

  1. #1
    Join Date
    Nov 2013
    Location
    Yakima, WA
    Age
    49
    Posts
    159
    Boat
    ZX5

    Ballast pump wiring

    Does anyone know where the fill pump wires go to? I’ll find out tomorrow but am trying to troubleshoot tonight. One of my pumps does not have power going to it? Starboard rear pump. Zx5

    Thank for any info.

  2. #2
    I sent the dealer info this morning. Power comes straight from the PDM's. Port PDM powers the port pumps and starboard PDM powers the starboard pumps. The fill pumps all share a ground on one ring terminal at the engine. I would verify you have a good ground at the pump before you dig too far into it. May have lost one of the wires at the ring terminal which would knock out a pump.

    I assume it is one of the four rear fill pumps you are having issues with.

  3. #3
    Join Date
    Nov 2013
    Location
    Yakima, WA
    Age
    49
    Posts
    159
    Boat
    ZX5
    Thank you. I received the email. I’m thinking it’s a ground also. Do you know where the ring terminal is on the engine? Make it easier for me to find when I get home.

  4. #4
    Join Date
    Nov 2013
    Location
    Yakima, WA
    Age
    49
    Posts
    159
    Boat
    ZX5
    It was a bad pump. All fixed. Thanks for the help.

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