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  1. alldodge

    Looking for scamatics

    This is about the only one I have for OMC
  2. alldodge

    4.3L Mercruiser Won't Start

    Dang, let me go dunk my hat in the creek. A 2011, not a 2001 but 2011 with a TKS, I never would have thought that OK, I'll go with it but TB ignition is not longer available So you used the TB% troubleshooter?
  3. alldodge

    4.3L Mercruiser Won't Start

    Flat cap is what most call carp cap because they are always going bad, but are the HVS distributor and look like this CAT's mean catalytic converter exhaust system
  4. alldodge

    mercruiser 5.7 hard start fuel pump/oil pressure switch?

    I'm thinking the electric fuel pump was added to the motor later. In 1995 the SBC had a mechanical fuel pump unless it had TBI. It needs a 3 prong switch and would be wired like this...
  5. alldodge

    mercruiser 5.7 hard start fuel pump/oil pressure switch?

    The starter powers the fuel pump (Purple/Yellow) when the motor is cranking. Once the motor starts and oil pressure builds, then the switch sends power to the pump Check the purple/yellow wire coming from the starter
  6. alldodge

    Alt Gauge Help

    The voltmeter does connect to the purple wire but it would connect to it at the helm, not at the motor. Each gauge will be daisy chained to the purple coming from the key switch
  7. alldodge

    Volvo penta 7.4gi loss of top speed perhaps tied to slight thermostat overheating?

    Pressures
  8. alldodge

    5.0GL-H have fuel at carb, but won't start when hot out.

    Your unable to edit a thread after so many hours. To give others insight to previous comments https://forums.iboats.com/forum/engine-repair-and-maintenance/volvo-penta-i-o-inboard-gas-engines-outdrives/10910139-5-0gl-cut-out-now-wont-start With the GL being a carb motor, there should be no...
  9. alldodge

    2002 Tahoe 202 - Mercruiser 5.0 MPI fuel pump not priming

    Need a voltmeter and measure at the purple wire on the key. There should be 12V when key is turned to ON. If there is 12V, then check one of the other purple wires connected to one of the gauges. If 12V is there, check for 12V on pin D of the DLC connector 4 pin connector with a cap If 12V...
  10. alldodge

    1973 Mercruiser in-line 6 water temp gauge issue

    The gauge would have 3 wires. Do check is there is a bad ground White - 12V Green - Sender Black - Ground (not shown on wiring diagram) The light is turned ON normally when ignition is turned ON
  11. alldodge

    1991 4.3 exhaust cooling holes size?

    That should work but I would go with these to make winterization easier Merc 22-862210A01 Sierra 18-4224 Could even go to local hardware store an find a straight or 90
  12. alldodge

    Trim motor clicks

    OK, use this one If all else fails you can change from 1 to 2 solenoids if needed later
  13. alldodge

    Trim Switch Question

    Yes, that helps, didn't know if it was an electrical issue or a hydraulic issue. Being electrical issue, I would guess its either corrosion or bad switch. Need a multimeter and check voltages. Measure voltages on the small terminals at the pump relays. Check for power on the small Blue/White...
  14. alldodge

    Raw water pump not sucking water

    Might be bravoits
  15. alldodge

    Trim motor clicks

    Being a 1979 you should have 2 solenoids. If it turns out you have only one I'll post the other
  16. alldodge

    Need Help on 5.8fsi Couple of Issues

    Did like those 340's :D Need to get the pressure up, with pressure that low your probably running lean and it can burn a piston Firing order
  17. alldodge

    06' 496 Mag HO Duty Cycle

    First and foremost, post here are opinions (including mine). Statements of exactness without info to back it up is opinion Yes there is a normal for the IAC, its 40 counts or 40%, and can be found in manuals up to 2000 or so (below is 454/502). Later manuals many of the values, even...
  18. alldodge

    Intermittent engine alarm

    Don't have a diagram and agree your parts list indicates the 805218 This is the same sensor which is used on the MPI Might be worth a call to Merc to ask the question, or maybe muc mmight know Resistance values for sensor
  19. alldodge

    Intermittent engine alarm

    Looks like the temp sender is off The switches are based by part number
  20. alldodge

    Ignition fuse blows after Engine is warm

    That's the TKS 20 amp fuse, and the other is the TKS temp switch This is how it works
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