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  1. alldodge

    2008 Chaparral 275 SSI 8.1 Volvo Penta GXI-J Soft Alarm Issues

    The connection to the new sensor Does the voltage change when TPS is moved from idle to WOT?
  2. alldodge

    2008 Chaparral 275 SSI 8.1 Volvo Penta GXI-J Soft Alarm Issues

    Has to be something with it, as you said in post 53, nothing changed with others This is how they are wired
  3. alldodge

    Fuel dumping in 5.0 cobra 1994 mechanical pump, not electric.

    My guess is the pump is fine, need to adjust float level so it shuts fuel off a tad lower in the bowl
  4. alldodge

    Engine Start Alarm While Running?

    Each model can have different sensors. This is a E model and it has 4 switches that can turn on the alarm Oil pressure Water Temp Port and Starboard Temp
  5. alldodge

    Engine Start Alarm While Running?

    Tad bit more please, GL what? A, B, C ..etc
  6. alldodge

    Engine Start Alarm While Running?

    What motor do you have?
  7. alldodge

    Fuel dumping in 5.0 cobra 1994 mechanical pump, not electric.

    Yes, fuel pumps keep pumping but no fuel moves until valve opens (float drops and needle valve open) Think of your water faucet at home. The city water pumps keep pumping water but nothing comes out your faucet until valve is opened
  8. alldodge

    Fuel dumping in 5.0 cobra 1994 mechanical pump, not electric.

    Yes, but since this is the same pump that's been fine I wouldn't think so Fuel isn't rerouted, the needle just stops all fuel from coming in No other the the float needle. Could be the float is heavier (depends what kind of float) from soaking up some fuel, or small hole which allows fuel to...
  9. alldodge

    Turn the boat, kill the engine.

    Yes
  10. alldodge

    Intermittent electrical none start no Accessories power, power returns by its self

    The 10 pin is the large connector on top and rear side of motor
  11. alldodge

    5.7 Mercruiser Starter problem

    I'm thinking electrical and maybe a bad connection or bad battery cable
  12. alldodge

    Intermittent electrical none start no Accessories power, power returns by its self

    Sounds like there is corrosion Start by removing and cleaning battery cables and make them shinny metal on both ends, and don't for get both ends of the ground Pull the 10 pin engine connector and clean those pins
  13. alldodge

    Best boat lettering removal?

    If its vinyl letter I use a heat gun or hair dryer
  14. alldodge

    Turn the boat, kill the engine.

    The P trap
  15. alldodge

    2008 Chaparral 275 SSI 8.1 Volvo Penta GXI-J Soft Alarm Issues

    Guess you found the problem child
  16. alldodge

    2008 Chaparral 275 SSI 8.1 Volvo Penta GXI-J Soft Alarm Issues

    keep going
  17. alldodge

    2008 Chaparral 275 SSI 8.1 Volvo Penta GXI-J Soft Alarm Issues

    Take any one of the sensors and attach the meter. OR Connect Diacom and see if it will read the 5V without the motor running Either way once you can see the 5V reference voltage then start unplugging one at a time. If it doesn't go up to full 5V, plug sensor back in and go to next sensor
  18. alldodge

    Throttle cable adjustment dimension 5.7 EFI

    That is classic signs of IAC failure
  19. alldodge

    2008 Chaparral 275 SSI 8.1 Volvo Penta GXI-J Soft Alarm Issues

    Don't exactly where they are, and 5V can be read from any of them. Connect to which ever is easiest to get to. Might also be able to see the voltage with diacom Crank shaft CPS Cam shaft sensor Manifold Air and Temp MAP/T Coolant Temp ECT Oil pressure TPS Sea water pressure (Don't know for...
  20. alldodge

    2008 Chaparral 275 SSI 8.1 Volvo Penta GXI-J Soft Alarm Issues

    I wouldn't replace it unless there is more determination the motor does not have a knock, they normally don't go bad. As tpenfield said the 5V is a critical reference point for the ECM, if it's off so is every other reading it gets. To find the sensor that is drawing to much current disconnect...
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