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2005 Crownline 270cr

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  • 2005 Crownline 270cr

    How do I identify if my mag350 engine is gateway compatible I have a new simrad go7 chartplotter and I want to use the gauges on that I have been told I just need to buy a mercury gateway and nmea 2000 kit and it should work.

  • #2
    The bottom links below are some pretty good images for you to look over to help know if you can install the gateway system.

    Being you have a an 2005 350 MPI engine model, there is a small possibility that your engine may not be compatible due to "I believe" somewhere right in the 2005 - 06 year timeframe is when merc was making changes to the engine wiring harness to be more smart craft compatible on the small block engines....Could be wrong though.

    Two things you can try doing is to see if your engine has the CAN wire harness connector similar to the ones in the photos linked below even though those are for big block 8.1L's engines, the plug harness should look close to the same...The other would be to call or email mercruiser customer support with your engine serial number to see if they can tell you if it would be able to work on your engine or not. https://www.mercurymarine.com/en/us/...mer-assistance

    According to one of Merc's Q & A websites, it may be compatible but if you can't find the CAN connector, then a call may still be necessary.
    Question: 'I would like to add SmartCraft instrumentation to my boat. Is my MerCruiser engine compatible? Can I install this myself?

    Answer: 'All Mercruiser 4.3 MPI, 5.0 MPI, 350 Mag MPI, and MX6.2 MPI Sterndrive, Inboard, and Tow Sports models with serial number 0M300000 and higher and all MerCruiser 496 Mag and 8.1s Sterndrive and Inboard models are compatible with SmartCraft instrumentation systems. Mercury Marine recommends installation of SmartCraft systems be performed by your Mercury Marine dealer.
    The thing with that quote that makes it questionable is smart craft started with some outboards in 2001 a long with the 496/8.1L's in 2001 then added other engine models over the years there after...That's the reason you may have to call should you not be able to find the CAN plug on your engine.

    http://s250.photobucket.com/user/rlu...aa7e0.jpg.html

    http://clubsearay.com/showthread.php...120#post608120

    http://www.bing.com/search?q=mercrui...1E41962AF04846

    Hope it's there, Let us know and good luck.
    OEM Quality Gear Lubes And Greases Available @ iboats.com - BOAT SPECS - FORUM GUIDELINES - Volvo, OMC & Merc Stern Drive Technical Information For DIYers. - OEM VOLVO PARTS POWERED BY iBOATS.COM - All OEM Parts / Parts Lookup Now Available Through iboats.com -

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    • #3
      My serial number is 0w065773 does that help.

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      • #4
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        Originally posted by captain888 View Post
        My serial number is 0w065773 does that help.
        Looking up your wiring harness part number and carefully looking at the connectors, it looks to me that you should have the CAN line, The CAN line like seen in the photos below, the connector should/may have a blue tag wrapped around the wires next to the connector saying what the connector is used for and the connector should be an 8 or most likely a 10 pin connector with the color "purple" (< side clips seen in the photos) at the rear of the connector holding in the wires.

        http://www.ebay.ca/itm/Mercruiser-5-...item4ace827b2e

        By the way your engine is an 6.2L MPI BRV HORIZON 3R 6.2L BRAVO MPI model number 4R4203HTS..Not a 350 MAG like mentioned above.

        Oh and here is your parts catalog for you if ever in need.
        http://www.mercruiserparts.com/selec..._nbr=884717001
        Last edited by Fun Times; December 16th, 2015, 03:22 PM.
        OEM Quality Gear Lubes And Greases Available @ iboats.com - BOAT SPECS - FORUM GUIDELINES - Volvo, OMC & Merc Stern Drive Technical Information For DIYers. - OEM VOLVO PARTS POWERED BY iBOATS.COM - All OEM Parts / Parts Lookup Now Available Through iboats.com -

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