Boats For Sale:
Fuel gauge fix? |
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DockDoc 
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Joined: February-17-2014 Location: Charlotte, NC Status: Offline Points: 474 |
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 Topic: Fuel gauge fix?Posted: June-25-2020 at 8:47pm |
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My fuel gauge is a accurate to about a half a tank. Needle bounces around like mad if it’s not totally full.
Is there a reasonable fix for this, or is this a boating inevitability? Seems like every boat I’ve had is the same but it’s getting annoying not knowing how much fuel I have. |
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1993 Sport Nautique
PCM 351w, no ProTec |
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8122pbrainard
Grand Poobah 
Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41040 |
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Posted: June-25-2020 at 8:55pm |
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Tyler,
Go with a high end linear sender There very nature snubs rapid movement. |
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DockDoc
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Joined: February-17-2014 Location: Charlotte, NC Status: Offline Points: 474 |
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Posted: June-26-2020 at 12:35pm |
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Ok will do, appreciate the rec - any idea what length I need? |
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1993 Sport Nautique
PCM 351w, no ProTec |
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8122pbrainard
Grand Poobah
Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41040 |
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Posted: June-26-2020 at 12:45pm |
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Tyler, Sorry but I don't know the length needed. If you don't get a response, then you'll need to measure your tank. |
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zwoobah
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Joined: September-13-2018 Location: Providence RI Status: Offline Points: 308 |
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Posted: June-26-2020 at 3:15pm |
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I installed a Kus sender last fall - similar to the Moeller unit that Pete posted, but only about $50 on ebay. Read the instructions before you order a sender: If you're installing in a metal tank it should be 1/2-1" shorter than the tank depth, a plastic tank will need more clearance.
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1968 Mustang 16 - 351W powered
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DockDoc
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Joined: February-17-2014 Location: Charlotte, NC Status: Offline Points: 474 |
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Posted: June-26-2020 at 3:37pm |
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Thanks I'll check that out too! |
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1993 Sport Nautique
PCM 351w, no ProTec |
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Hysteria
Groupie 
Joined: May-31-2020 Location: Indiana Status: Offline Points: 70 |
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Posted: June-26-2020 at 4:44pm |
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Could you explain what you mean by snubbing rapid movement? I have a reed switch sender in my boat and don't feel that it resists fuel sloshing any better than the factory style sender |
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8122pbrainard
Grand Poobah
Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41040 |
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Posted: June-26-2020 at 5:22pm |
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Isaac,
From the Moeller description: "Reed switch sending units collect fuel level information more consistently than swingarm senders. They achieve this by taking the measurement from the float - which is still a moving part. However, the fluctuation is much less because the range of motion is much less." Another: Moeller Marine Reed switch fuel level senders dramatically reduce "slosh fluctuations" which are inherent with swingarm units. " Did you use a Moeller brand? |
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Gary S
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Joined: November-30-2006 Location: Illinois Status: Offline Points: 14096 |
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Posted: June-26-2020 at 5:31pm |
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Hysteria
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Joined: May-31-2020 Location: Indiana Status: Offline Points: 70 |
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Posted: June-26-2020 at 5:36pm |
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No, I'm using a Wema sender. I don't think it's a bad unit by any means, but the gauge definitely twitches between different fuel levels (due to the low resolution of the reeds) when the boat is moving. |
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DockDoc
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Joined: February-17-2014 Location: Charlotte, NC Status: Offline Points: 474 |
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Posted: June-26-2020 at 5:47pm |
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Yeah mine usually sits around 1/2, and twitches between empty and full. Basically useless. |
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1993 Sport Nautique
PCM 351w, no ProTec |
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8122pbrainard
Grand Poobah
Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41040 |
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Posted: June-26-2020 at 5:48pm |
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Isaac, The "twitch" between levels should still give you an idea of how much is in the tank. |
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Hysteria
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Joined: May-31-2020 Location: Indiana Status: Offline Points: 70 |
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Posted: June-26-2020 at 5:56pm |
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It does, and I would consider it to be a perfectly functional fuel level indication. I just don't feel that they do much to dampen rapid fluctuations. |
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Marseille
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Joined: April-24-2018 Location: Jax Status: Offline Points: 19 |
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Posted: June-29-2020 at 12:47pm |
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Does anyone know the standard/typical shaft length for a 1983 Ski Nautique with a metal tank? It has the original swingarm style sending unit. At key on, gauge pegs full when a jumper is placed between the ground and the sending unit wire, otherwise, it's a random level generator. I can pull the tank and check but I thought I would ask in case someone has the length handy.
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'83 SN
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8122pbrainard
Grand Poobah
Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41040 |
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Posted: July-01-2020 at 6:34pm |
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Anyone have any experience with Tanks Inc. floatless senders?
Tanks Inc. sender I was shopping for a 0 to 30 Ohm sender for my X55 and ran into it. I wonder how well it solves the gauge "twitch" problem? |
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8122pbrainard wrote: