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  • 07 df90

    Hello All,

    My Dad and me put a new battery in, hooked the hose to the motor Friday and it ran like a champ in the driveway.

    Got to the lake Sat morn, backed down the ramp, lowered the motor, turned the key and nothing! After checking all the fuses which were good, nothing would work past the console. In other words, all my pumps and lights were working but absolutely no power to the motor.

    I am not an electronics guy but do have a multi-meter and can check things but I do not know where to start. Can someone please help!

    Thanks in advance.

    Wes
    2007 Carolina Skiff 21DLX, 2007 Suzuki DF90 Four Stroke

  • #2
    so everything up front works and you can lower the motor with the trim switch but it wont fire up. Is that new battery dedicated to just starting the motor? How about the kill switch? I know it seems to dumb to ask but stranger things have happened going down the road. I hope you figure it out.
    2005 Carolina Skiff DLX 2007 Suzuki DF 115 4 Stroke

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    • #3
      Wes Read my sticky re Whiie Wire -- see if that makes sense
      As suggested be Seaduck check the emerengcy kill switch (the one on the remote with the lanyard)
      Then does the trim switch on the remote raise and lower the engine? Should do this without turning on the ignition switch
      Is the shifter centered in the neutral position? Shift to forward and reverse and back to the center (neutral position)
      When you first turn the key a couple of things happen
      You should hear an alarm and should hear the high pressure fuel pump
      charge the fuel system - is that's occurring?

      Check those and let us know the results
      Art

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      • #4
        Originally posted by Seaduck View Post
        so everything up front works and you can lower the motor with the trim switch but it wont fire up. Is that new battery dedicated to just starting the motor? How about the kill switch? I know it seems to dumb to ask but stranger things have happened going down the road. I hope you figure it out.
        Sorry so long guys..... really crazy around here lately. Everything upfront does work but cannot tilt motor from either location.
        2007 Carolina Skiff 21DLX, 2007 Suzuki DF90 Four Stroke

        Comment


        • #5
          Originally posted by artdf175 View Post
          Wes Read my sticky re Whiie Wire -- see if that makes sense
          As suggested be Seaduck check the emerengcy kill switch (the one on the remote with the lanyard)
          Then does the trim switch on the remote raise and lower the engine? Should do this without turning on the ignition switch
          Is the shifter centered in the neutral position? Shift to forward and reverse and back to the center (neutral position)
          When you first turn the key a couple of things happen
          You should hear an alarm and should hear the high pressure fuel pump
          charge the fuel system - is that's occurring?

          Check those and let us know the results
          Art
          Thanks Art. Did read that sticky after I posted and it does make sense:
          The trim switch does not raise or lower the motor.
          Checked the position of the shifter several times, in neutral.
          Don't hear any of the normal noises you speak of.

          How does all this weigh into the "white wire" ordeal? Is this normal for that issue? I assume the white wire runs from the battery to the ignition switch, from there to the motor? Where does it connect at the motor? I wanna check that for power.
          2007 Carolina Skiff 21DLX, 2007 Suzuki DF90 Four Stroke

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          • #6
            Originally posted by wblack View Post
            Thanks Art. Did read that sticky after I posted and it does make sense:
            The trim switch does not raise or lower the motor.
            Checked the position of the shifter several times, in neutral.
            Don't hear any of the normal noises you speak of.

            How does all this weigh into the "white wire" ordeal? Is this normal for that issue? I assume the white wire runs from the battery to the ignition switch, from there to the motor? Where does it connect at the motor? I wanna check that for power.
            ''''''The first thing you need to do is supply more information, like it wont crank when I turn the key to the start position, the engine won't tilt when I press the tilt button on the engine, I can't hear the fuel pump buzz when I turn the key on and so on, that way it makes it easy to diagnose a problem. use a test light and a digital multimeter. Battery voltage via a fifteen amp fuse will supply the ignition switch either from the battery or off the main battery cable at the starter motor solenoid through the sixteen pin wiring loom up to another plug at your console. When you turn the key on, battery voltage will flow back down the wiring loom through a grey wire to your main control relay and power up your injectors, ignition system, fuel pump and so on, when you turn the key to the start position battery voltage will flow via a brown wire through the console neutral switch back down the loom to the engine neutral switch and if the contacts are closed flow to the starter relay through a yellow and green wire to the relay coil to earth in the ecu. This will pull the main relay contacts together and battery voltage will then flow to the starter solenoid pull in windings to ground and the and energize the starter. The tilt switch on the engine is supplied battery voltage via the sixty and thirty amp fuse.

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            • #7
              Originally posted by redlowrey View Post
              ''''''The first thing you need to do is supply more information
              Thanks Red, that's very helpful information. I appreciate it.

              That post you quoted was obviously a grateful response to Art, at least it was meant to be. I think I was pretty clear in the previous posts as to what the main issues were. I always figure as the thread progresses, pointed information will be revealed.

              It's always strange to me why there is someone on every forum that either can't be grammatically courteous or refuses to? Haven't figured that out yet.

              Any rate. My next step will be to check everything you've mentioned. Thanks again.
              2007 Carolina Skiff 21DLX, 2007 Suzuki DF90 Four Stroke

              Comment


              • #8
                Redlowery is actually a very good mechanic and a very good contributor to the forum.. Usually if you follow his instructions you can fix a lot of problems

                the information you provide is all we can go on and respond to..
                your first post you cited you got to the lake, lowered the motor, turned the key and nothing..
                your updated post yesterday said everything up front works but now cannot tilt motor from either location.
                --
                Since you changed the battery, just before all this started, go back and redo and double check your battery wiring.. to me this is a good place to start.
                --and double check the battery.. your gauges may work with little voltage, they engine needs a full battery charge..
                -- two things you tell me indicate how your boat maybe wired. Since the front end works it probably has it's own hot wire form the battery switch.
                since the engine is not responding, the WW has been wired off a separate lead.
                --
                The WHITE WIRE- from the ignition key wiring goes to the ECM.
                Most of the time, or what appears to be the correct wiring, the WW should come directly off the battery/battery switch to the remote. There are some that have taken this lead off the engine wiring, which is off the positive lead to the starter. not the best as the voltage drop when the engine is started can effect the voltage lead to the ECM.
                --
                Now since you indicate that neither trim switch will raise/lower the engine tells me your power source to the engine has been corrupted.
                --
                do a load test of the battery to make sure it is not the problem.. then track down the main wire that feeds the engine. don't overlook checking the ground wire as well.

                Art..
                Last edited by artdf175; 11-21-2016, 01:45 PM. Reason: clairification

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                • #9
                  More great info Art. Thank you. Yes I think I have the WW coming directly off the battery with a 20amp fuse.... doesn't surprise me this wouldn't be the most desired set-up considering the rest of the electrical work on my boat. I will check all of this over the weekend including the things Red stated.

                  BTW, I read many of his post. There is no disputing he knows what he's talking about and I will follow his direction very intently.

                  Thank you.
                  2007 Carolina Skiff 21DLX, 2007 Suzuki DF90 Four Stroke

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