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  1. alldodge

    Mercruiser/Motorola versus Stand Alone ECM's

    Injectors get power after the MPR energizes
  2. alldodge

    Mercruiser/Motorola versus Stand Alone ECM's

    That is the CAM sensor and Merc didn't use it with some 555 ECM and did use it with others. Yours should be plugged in This is what you should find B1 Ground splice 100 Blk/Pink B18 12V wake up power from key B21 +5V splice 101 Gray B23 EST coil control Pink/White 12V to coil
  3. alldodge

    Mercruiser/Motorola versus Stand Alone ECM's

    Grounding a relay to see if something works is ok, but don't keep them there. Need to find out why a ground is needed. What plug?
  4. alldodge

    Cutting cable TV

    Old school, what replaced HDMI?
  5. alldodge

    ENGINE SWAP built 383 in and stock 454 out

    Marine items are ignition protected so you don't have an explosion. Its also the Law that only marine certified components are used
  6. alldodge

    Mercruiser/Motorola versus Stand Alone ECM's

    The injectors should have 12V on them (Pink/White from fuse). With key ON the 12V should be present and they are turned ON/OFF with a ground from ECM For injectors to fire the ECM needs to see a signal that the distributor is firing All that said, I'm thinking there is something disconnected...
  7. alldodge

    Mercruiser/Motorola versus Stand Alone ECM's

    The key has 3 wires Red/purple main power from 50 amp breaker, thru 20 amp fuse Purple Yellow/Red start thru neutral safety to slave relay on motor
  8. alldodge

    Mercruiser/Motorola versus Stand Alone ECM's

    Fresh wire connecting where to where
  9. alldodge

    Mercruiser/Motorola versus Stand Alone ECM's

    Yes 5V comes from the ECM When you turn the key ON now does the fuel pump turn on?
  10. alldodge

    new to winterizing inboard Mercruiser

    Assuming closed cooling??? Do you have a sea strainer? Do not spray fogging oil in a fuel injected motor. Disconnect the fuel line going to the fuel filter. Mix up gas and 2 cycle oil is mixed up and connect it to the fuel filter. Run the motor to warm it up with the mix, change the oil and...
  11. alldodge

    Mercruiser/Motorola versus Stand Alone ECM's

    Yes, that's the DLC The B18 (purple) comes from the key Go the key and check for 12V on the purple wire when key is ON If good check the boats kill switch
  12. alldodge

    Looking for best 2 cycle motor

    Grew up around Evinrude's and they never let me down, but they were only a 9.5 and 18hp motors. Have been working on my Chrysler Boat and have 2 motors but one has busted block and the other has a 25 inch shaft and I need only a 20 Boat came with a 105 (Frank said it was basically a 90hp)...
  13. alldodge

    ENGINE SWAP built 383 in and stock 454 out

    The front motor mounts will need to be moved Do not use alternator, distributor, carb, fuel pump, circulating water pump (unless closed cooling) or starter from the 383, must be marine Bell housing will not fit Need to change core plugs to brass or stainless steel
  14. alldodge

    1994 volvo penta 7.4 starting diagram

    You have a start assist relay that is most likely the issue Follow the Yellow/Red wire from the starter to the relay Your key energizes the relay, and the relay energizes the starter solenoid
  15. alldodge

    Thermostat Housing Check Balls

    Which thermostat do you have, design 2 ?
  16. alldodge

    Mercruiser/Motorola versus Stand Alone ECM's

    Data Link Connector, it has 4 pins and is where a scanner is plugged in
  17. alldodge

    Mercruiser/Motorola versus Stand Alone ECM's

    Check for 12V on pin 30 and 86 of MPR Ground pin 85 of MPR to see if things power up Check for 12V when key is turned to ON, on pin D of DLC connector (purple)
  18. alldodge

    PCV Question

    With oil belching out the dipstick, do a compression test. My guess is there is major blow by and motor needs a rebuild
  19. alldodge

    Attaching PWC float to Permanent Dock

    I have EZports which are also drive on. I go a piece of heavy foam and wrapped with carpet. Makes a bumper if we come up to fast Can also make or buy an extension pieces (EZport sells extensions which are also dock boxes)
  20. alldodge

    Mercruiser/Motorola versus Stand Alone ECM's

    Might be something real simple, do those checks and will see The guy he sent you to, is he/she in the US or UK?
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