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Gas Gauge Broke 2004 SN 196

jetpilotg4jetpilotg4 Posts: 333 Solid Baller
Just wondering who had issues with their gauge on the SN 196. Mine stopped working a few weeks ago ( yes the thought occurred it seems like its been a while since we gassed the boat ) just wondering if its the gauge in the dash that goes bad, or possibly the transducer in the tank .... thoughts on what goes the first, and the easiest to troubleshoot. Sunny and 75 here



  • eleeskieleeski Posts: 3,977 Infinite Pandas
    The movement in my gas gauge makes me broke too.
  • GloersenGloersen Posts: 1,089 Mega Baller
    edited February 2016
    Check that the sending unit float is free. Often though its corrosion in the rheostat of the sending unit. Someone more detailed can chime in on an ohm check.

    SN 196 fuel sending unit
  • Fast351Fast351 Posts: 271 Baller
    Yeah you can ohm check the sender. 240 empty, 33 full. If the tank setup is like my 2001, it should be pretty easy to get to through the rear locker.
    Mike van Meeteren
  • jetpilotg4jetpilotg4 Posts: 333 Solid Baller
    @Fast351 , @Gloersen Hey, so I finally got around to changing out the sending unit, and gauge still reads full ..... and Im sure its not full now ..... dash panel gauge issue ? any suggestions ?

  • oldjeepoldjeep Posts: 3,793 ★★★Triple Panda Award Recipient ★★★
    The gas gauges get sad from 12 years of trying to give a meaningful representation of 5 gallons or less in a tank designed to hold so much more ;)
    Chuck P
    Not a mechanic but I play one at home
  • wawaskrwawaskr Posts: 333 Crazy Baller
    My gauge acts goofy on my '04 as well. I believe the float on the sending unit is sticking on the shaft. Is there a fix for that? What is up with the $200+ sender price? Special length for custom tank?
  • JayG80JayG80 Posts: 124 Baller
    edited May 2016
    Here is how to troubleshoot Teleflex Fuel Gauge for 2002 and earlier models.
    This is a long link
  • jetpilotg4jetpilotg4 Posts: 333 Solid Baller
    @wawaskr i broke down and bought a new sending unit but to no avail , still no working gauge. The float on the one i pulled out was worn to say the least... I was on planet nautique and theres a few posts about a bad faria gateway box creating gauge issues.. No one has replyed to my question if the gas gauge gets affected by this ... Yet ... Apparently the water lines from pitot tubes go directly into this box at transom in the rear locker in our boats. Tubes are rubber , rubber cracks and water gets into electrics never a good mix ..... The replacement for the box on nautique parts is 1k .... I need to get more frustated with it before i check the box or throw a grand at it
  • wawaskrwawaskr Posts: 333 Crazy Baller
    @jetpilotg4 - pretty sure my is a mechanical issue with the float. I have an SE model (analog gauges - chosen for simplicity, and to avoid the things you describe) and do not have pitot tubes on mine. My gauge will work, and then it will stick on Empty. Sometimes it pops back and starts working again. Pretty sure the float gets hung up on the sender shaft.
  • wawaskrwawaskr Posts: 333 Crazy Baller
    What would be the difference between these (other than $$) ?- I would guess they are the exact same senders. (11.5", $219.00) (11.5", $60.00)
  • JAGJAG Posts: 178 Crazy Baller
    What was the measured resistance of the float/sending unit as Fast351 inquired? You can replace parts and hope for a solution but troubleshooting this methodically will save you money in the long run.

    The float for the tank goes up and down (obviously) as the fuel level changes, giving a change in resistance, and the gauge simply responds to these changes in resistance.

    You can buy a digital voltmeter at most Radio Shacks or Auto parts stores for less than $50.

  • GloersenGloersen Posts: 1,089 Mega Baller
    ditto what @rpg stated. Ohm check sending unit before replacing. It may not be worth pursuing. Save $ for more pertinent repairs.

    Although the gauge is functional (from time to time) on my '03 I just pull back the carpeted panels hiding the tank and can view the gas level through the white polyethylene tank.
  • lpskierlpskier Posts: 3,118 ★★★Triple Panda Award Recipient ★★★
    Are you sure it broke? I've owned several Nautiques and never had a reliable gas gauge in one of them. I always thought there was an engineer at CC/Nautiue with an evil sense of humor.
    John Wilkins- Si non pro sanguine quem ludus ne. #iskiconnelly
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