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  1. alldodge

    Frustrated fuel

    I'm seeing TB distributor but has MEFI-3 ECM, if correct the TBV troubleshooting guide will not work. Agree check for 12V at the coil Did you get the fuel leak fixed?
  2. alldodge

    7.4L Overheating

    That would cause some issues but if it did there would most likely be a leak. Look at the hose under the bell housing and gimbal ring. It can twist sometimes when it gets old and will cut off the flow Check the intake hose to make sure its on top of the raw water pump. Comes in on the top...
  3. alldodge

    Prestolite single solenoid trim pump

    Hey @Bondo need some help
  4. alldodge

    7.4L Overheating

    Mine was a Merc OEM impeller, might have been 2 years old. Only thing different I noticed was it was extra hard to get the impeller in the housing. Use Glycerin and as before, it didn't make it to my slip before it over heated. Had another on the shelf, replaced at the dock and this one went...
  5. alldodge

    Proper way to wire a kill switch on Thunderbolt IV

    Use the 12 I guess
  6. alldodge

    Proper way to wire a kill switch on Thunderbolt IV

    Sorry, no 5 amp is not enough. Look at your ignition fuse, its either a 15 or 20 amp, I would use a 20
  7. alldodge

    Proper way to wire a kill switch on Thunderbolt IV

    Take the purple wire coming off the key switch and put kill switch in it. Kill should break the connection when pulled
  8. alldodge

    Why is fuel leaking from my vapor separator?

    I;m not familiar with your motor, but the my VST didn't have a schrader valve. The Schrader valve was on the fuel rail on my motor. That said, they don't put schrader valves on areas with no pressure, might be the high pressure side
  9. alldodge

    Injectors for 1999 Crusader 454 7.4L EFI

    Thanks BT, I have this one, says its for the LX but unable to find TBI in it.
  10. alldodge

    Why is fuel leaking from my vapor separator?

    Leak stopped at VST and moved to low pressure pump? Would say, fixed the tank leak and have another. Leaking at the pump, fitting or fuel line?
  11. alldodge

    1996 454 thunderb ign thompson wont get on plane

    Does it have a carb, EFI, TBI or MPI?
  12. alldodge

    1996 454 thunderb ign thompson wont get on plane

    Engine Look for a plate above the starter on the side of the block
  13. alldodge

    Injectors for 1999 Crusader 454 7.4L EFI

    Wish I could help more but I'm not even finding a parts manual for a 99 7.4 Crusader. Think it has TBI Found the following info, and appear to operate at 12 PSI and cannot be used on 29 PSI systems GM - 17109972, 17100372, 17084304, 17112249, 17112250, 17112560, 17112561 Crusader - 47031...
  14. alldodge

    Why is fuel leaking from my vapor separator?

    A vapor separation tank is like a carb float bowl. A low pressure pump fills the tank and the float inside the tank shuts off the fuel when it gets full. Leaking out the vent means the needle valve has either failed or there is a piece of crud in the valve. Could remove the tank and see if it...
  15. alldodge

    1996 454 thunderb ign thompson wont get on plane

    What's your serial number?
  16. alldodge

    1999 454 magnum cranks but will not start

    All good, hope they can figure it out fast
  17. alldodge

    Volvo Penta 3.0GSP-C Engine Dies, Then Restarts Normally

    Wanting to find out if your pump is not keeping up
  18. alldodge

    Full pump runs continuously

    Don't know which 5.7 motor but will assume it has a carb VP uses 2 diodes (Dumb IMO) which allows power to energize the relay when cranking and ones started, power comes from the alternator to keep it energized. The most likely issue is the ALT diode has shorted. Put a meter on pin 85 of the...
  19. alldodge

    Backfiring at mid speed

    Don't know which motor, but if it has a Holley carb its probably the power valve
  20. alldodge

    Stalling, Alarm sounding every 60 seconds

    Thanks, you have a motor with CAT's and its had signaled guardian strategy For 90% power reduction I would look at Engine Coolant Temp (ECT) overheat or Sea water pressure low. Being a CAT motor you really need to have the motor scanned for codes. This can be done by a dealer or by buying the...
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