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  1. alldodge

    2014 350 mag 5.7l mercruiser

    Sounds like a bad connection or bad relay Measure power at the relay and find out if pin 86 (green wire) goes to ground when key is turned ON. After pump turns OFF there should be 12V on the pin
  2. alldodge

    No Fuel Pressure

    You have relays 3 relays on top the motor next to the ECM. They are: Main Power - MPR Fuel pump - FP Slave (start assist) Next to the relays is also 3 fuses. Find the fuses and check they are not blown. Find the relay with Pink/Green, Green, Pink and Pink/Yellow wires, this is the FP relay...
  3. alldodge

    No Fuel Pressure

    There is a barbed fitting on the tank which the rubber fuel lines connects. This is an antisiphon valve. The valve s a USCG safety requirement but also over time and sitting they can get stuck. Remove it and clean the valve if it can be, otherwise it may need to be replaced Can also get a can...
  4. alldodge

    Engine Alarm - 2000 MerCruiser 5.0 w/Bravo 3 - tried everything to fix

    Could use a serial number to verify but Disconnect the in gear switch
  5. alldodge

    Temporary loss of power

    Its hardly never the coil. The thread in the link you posted was the coil but it was also a MSD coil. Many say MSD stands for Marine Stopped Dead, but if reading the thread he said it was leaking oil from it I would think it could be inside the distributor, the module or the coil...
  6. alldodge

    2003 Volvo Penta 3.0 GSP max speed 25mph

  7. alldodge

    4.3 motor electrical gremlins

    Howdy First, stop using either, that is hard on the motor. If it won't start on gas, it has a problem Pull the fuel filter and dump the contents into a clear container and let it sit for a bit. It should be clear, with no yellow and no water in the bottom. Smell the gas, and it should smell...
  8. alldodge

    Overheating issue! Nothing left to replace?

    Don't let it run long enough to get to 240, you can blow the head gasket and warp the head Agree with FT, look to see how much water is moving. Also are the check balls in the thermostat housing? If check balls are not there, it can reduce the amount of water going to the motor
  9. alldodge

    NEED HELP! Wiring question.

    Not from the motor, but there may be something else its used for Things stopped working after the install, so check the fuse on the trim pump. Where did the fish finder get connected at? If you connected to the ignition purple wire then there may be a bad connection which took place when the...
  10. alldodge

    Temporary loss of power

    Main power relay Fuel pump relay They are both next to the ECM and are small square and probably black
  11. alldodge

    Ignition fuse keeps blowing instantly on Bayliner w/ Mercruiser 5.7

    Tx, want o see if you have an electric fuel pump When moving the motor forward to replace coupler the Alternator connections may have been damaged or wire chaffed. One is the purple ignition wire Also look in this location where the chain was connected, along with the 10 pin connector
  12. alldodge

    1990 5.7 mercury with thunder bolt no spark

    Use this to figure out what is not working
  13. alldodge

    2009 350 mag mis at wide open.

    Dealer replaced the distributor and didn't replace the cap, that's a new one for me, they always throw parts like to get more money As above, the caps are known to cause problems. If its replaced and there is no change keep it on board because they fail without warning. Something change...
  14. alldodge

    VP 5.7 oil reading high

    Measure the tube and then compare how far the stick will go in. Oil will be same level in tube as in the pan
  15. alldodge

    Constant Engine alarm

    My first pic showed J1-6 but that point to the wrong wire, its J1-8 for that one and this one. Pic below is of the GXI-D and I'm pretty sure it should be the same for the E. While the depth finder does have an alarm, you have to tell us if its the motor or depth alarm As prior, the ECM is the...
  16. alldodge

    Constant Engine alarm

    Depending on which GXI the Tan/Blue wire connects to the ECM and then motor alarm. If the Tan/Blue wire is chaffed and is grounding out anywhere between J1-6 and the alarm at the helm, the alarm will sound. The alarm is connected to 12V when key is turned ON, and the other side is connected to...
  17. alldodge

    2003 Volvo Penta 3.0 GSP max speed 25mph

    Timing shunt Having a VP there is no shift interrupter, but the 2 wires are connected together and the one is connected to a 12V source Timing advance means it goes more toward Before TDC not After
  18. alldodge

    How to wire ignition coil Volvo Penta AQ200D

    No expert on VP but found the 5.0 nd 5.8 FL wiring with points
  19. alldodge

    Power steering help?

    Those old ones need to be balanced, see page 6A-7 in manual 6, but its not at boatinfo
  20. alldodge

    Wiring color codes for a 2004 Sea Ray 185 Sport ?

    It should be these
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