Recent content by Wellcraft1996

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    5.7 Mercruiser EFI Conversion

    Hello I have a thunderbolt 5 ignition system on my boat. It's a 350 5.7 V8. I was told from tech. from Holley that my sniper EFI wouldn't work right if I didn't remove the Thunderbolt-5 module and distributor and I needed to purchase a Holley MSD Ignition and purchase a Holley marine...
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    Mercruiser 5.7 crank but want start

    The old girl started up and eventually after some ruff idling and rattling/knocking noise the engine smoothed out and ran like a champ. Don't know what the knocking noise was, but it went away.
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    Mercruiser 5.7 crank but want start

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    Mercruiser 5.7 crank but want start

    After carb was rebuilt, I think shop didn't set fuel and air mixture screws at all and too much fuel is going into carburetor.
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    Mercruiser 5.7 crank but want start

    engine serial number is OF414565. Engine I dont think it fires in the cylinder 7 and 8. Those cylinder spark plugs were really dripping with gas and black carbon
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    Mercruiser 5.7 crank but want start

    I have a 4bbl carb. 5.7L and it will crank but want start. After new coil, distributor cap, still know start. Checked spark plugs and both rear plugs 7 and 8 were wet with gas and black smuck. The other plugs were covered in just black smuck could that keep engine from starting. Also recently...
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    Crank but want start

    Battery fully charged, dont have post on battery. Pulled number 7 cylinder plug and it was wet with gas or oil black stuff.
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    Crank but want start

    4bbl carb and battery is fully charged. I try the battery post cleaning
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    Crank but want start

    1996 Welcraft Excel26 Mercruiser 5.7Liter V8 engine. It has fuel has ignition spark but still want start. Starter seemed to be struggling turning engine over so I replaced with new starter. Now with new starter engine acts like it wants to start but want. Batteries are fully charged but the...
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    Manual flush toilet water problem

    1996 Wellcraft 26. when I pump toilet handle to draw water into toilet boil, no water comes in.
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    Wiring a three-prong Navigation switch

    Replaced diode and lights came on. Thank you
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    Wiring a three-prong Navigation switch

    It has diode on it, as seen in picture here.
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    Wiring a three-prong Navigation switch

    I have been restoring my Wellcraft excel26 for about a year or more. I recently ran into an issue with my nav/anchor or running lights not working. Checked all fuses and they are good. I don't think the switch has a power source. Its wired with three wires pigtail together on the top pole and...
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    Crank but want start Mercruiser 5.7

    It was the main harness connector. I just took my time and spread open those prongs a little bit and re connected the harness and it runs great.
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    Crank but want start Mercruiser 5.7

    Went through every wire connector, wires, fuses and safety switch on my boat. Still no spark, so unplugged engine main harness connector and spread apart all the male prongs, plug it back in and shazam, it fired up. Thanks for your help
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