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  1. M

    Mercury 350 mag No start

    ok thanks for all the help. Its up and running. I cleaned every single connector and eventually worked my way down to the starter where i found the 90amp fuse melted. Not sure how but it was. my question is....this things in a terrible spot if it ever burns out again. Can a guy just use some...
  2. M

    Mercury 350 mag No start

    by winterized all i did was put anyfreeze in the block. Thats it. It was in a heated shop all winter at +15c. now im even more confused. The slave solenoid was quite corroded so i changed it out for a new one and cleaned all of the connections. Now i dont get fuel pump or that single click...
  3. M

    Mercury 350 mag No start

    Hello Everyone. I have a 2008 Four winns 258V that i cant get the motor to turn over after coming out of storage this winter. I get a single "click" from the solenoid but nothing further. I tried all 3 battery positions on the switch, i even disconnected all the batteries and boosted direct to...
  4. M

    Mercruiser, which engine model do I have (no serial number)

    theres an aluminum tag above the starter on the block. Sort of hard to see but i was able to see mine with a camera scope.
  5. M

    NMEA 2000 with ECHOMAP UHD 94SV

    ahh sorry missed that part. perhaps not
  6. M

    NMEA 2000 with ECHOMAP UHD 94SV

    this would be the simplest solution for you if your engine is smartcraft enabled. I just hooked it to my 350 mag and Echomap UHD 75sv and it works awesome. You do need a dealer to program it. oh, and its not cheap programmed will run close to 1000$. im not sure if you could eliminate all of your...
  7. M

    VHF and Garmin ECHOMAP connectivity via NMEA0183 Help

    I am installing both a Garmin Echomap UHD 75 and a Uniden VHF radio. I noticed the two can share coordinates which sounds good to me for safety and figured i might as well figure this out while i have everything apart. I just cant figure out which wires to connect as they dont correspond, im...
  8. M

    Macerator Install

    Installing a macerator on my boat. Am i ok to move the pump to the other side of the vented loop? also, is that vented loop required? Quick sketch attached Thanks
  9. M

    Engine Hatch opening with failed actuator

    I just installed a new actuator in my 258v. Works great. Obviously the old one failed and the previous owner never replaced it. I found one that met the specs i needed and installed. what does a guy do if this thing fails closed in the future? I really dont know how you would get the engine...
  10. M

    Four Winns 258 Aft Bilge Wiring.....Help

  11. M

    Four Winns 258 Aft Bilge Wiring.....Help

    update..... 2 brown/yellow wires were connected to the float switch which i assumed went to a sound alarm which i now realize is the gasoline vapor sensor.. looking at the wiring diagram it says these wires are indeed for the "high level switch" now they connect directly to the "firstmate...
  12. M

    Four Winns 258 Aft Bilge Wiring.....Help

    my second hand boat has some hack job wiring from the previous owner that i am trying to fix up. My project today is getting the rear bilge system working as per factory.... The current setup has a 3 wire 1100gpm bilge pump, sound alarm, and seperate high level switch.... Now, the wiring as it...
  13. M

    What do i need to get my engine data on my Garmin Echomap?

    > Mercury Marine [Updated: Feb. 2, 2022] > Sterndrive > Engines - Gas > 5.7L (350 CU IN) V8 GM > 350 MAG MPI ALPHA/BRAVO Thats what it gives me on the mercury parts with the serial number. i see i made a typo in my original post
  14. M

    What do i need to get my engine data on my Garmin Echomap?

    how do i tell? SN 1A339033
  15. M

    What do i need to get my engine data on my Garmin Echomap?

    lol yep thankyou last question, do i need this smartcraft junction box (atttached photo) or is that for multi engine only? i also see they call for a resistor.....
  16. M

    What do i need to get my engine data on my Garmin Echomap?

    Thanks for The help. I think ive got it figured looks like i need this https://support.garmin.com/en-CA/?faq=zO5MgZLHJj5aaKQ0Z30BY7 and a NMEA network
  17. M

    What do i need to get my engine data on my Garmin Echomap?

    https://www.amazon.ca/Mercury-VesselView-Mobile-Connected-Android/dp/B01MTGBKPQ this vesselveiw is only 300$ im hoping that wifi module will conect to the new garmin? Not much info on this from mercury or garmin
  18. M

    What do i need to get my engine data on my Garmin Echomap?

    https://www.mercurymarine.com/en/ca/news/mercury-smartcraft-connect-expands-vesselview-functionality-to-garmin-and-raymarine-displays-/ whats this about? looks like a wifi transmitter that may transmit to my new guage? maybe...
  19. M

    What do i need to get my engine data on my Garmin Echomap?

    Picked up a new Garmin echomap uhd 75sv and i would like to utilize the engine connectivity and see all of the engine data and possibly eliminate some of my old-school gauges. what will i need? Boat is a 2008 Fourwinns 258v with a Mercury 350 Mag EFI. My dealer here is relatively useless so...
  20. M

    Updating Guages on Fourwinns 258V

    sorry i just realized there is an electronics forum
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