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Fuel Gauge Problems

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KRoundy View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote KRoundy Quote  Post ReplyReply Direct Link To This Post Topic: Fuel Gauge Problems
    Posted: August-16-2015 at 6:30pm
Steve,

When I get my boat back I'm going to try these concepts. I upgraded to a WEMA sender on my 1993 but am not getting good readings at the gauge. I have this on the list of things I need to look into, but just have not got there yet. Does your diagnosis above apply to a 1993 boat? Have you ever heard of a bad sender coming from the factory? I wish I had checked mine before I installed it... Next time I rebuild I boat I'm checking everything first... but I was SO anxious to get it on the water. :)
Previous: 1993 Electric Blue/Charcoal Ski Nautique
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Grand Poobah
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Air206 Quote  Post ReplyReply Direct Link To This Post Posted: August-16-2015 at 4:47pm
Originally posted by 8122pbrainard 8122pbrainard wrote:

Steve,
Thanks for filling in. I didn't notice the year and jumped right in!


I have become a WEMA sender expert.... It's perfect for me 'cuz you don't have to know anything - Ha!
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8122pbrainard View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 8122pbrainard Quote  Post ReplyReply Direct Link To This Post Posted: August-16-2015 at 12:53pm
Steve,
Thanks for filling in. I didn't notice the year and jumped right in!


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77 Tique

64 X55 Dunphy

Keep it original, Pete
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Jeff N View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jeff N Quote  Post ReplyReply Direct Link To This Post Posted: August-16-2015 at 11:30am
Thanks guys. I will do as you suggested and let you know how it goes.

Jeff N
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05 - 206
89 - 2001
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Grand Poobah
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Air206 Quote  Post ReplyReply Direct Link To This Post Posted: August-16-2015 at 10:43am
Jeff:

Pete's got it with a few clarifications for simple guys like me.....

Make sure the gauge pegs - at the sender pigtail on the tank, touch the two wires together.

Make sure you have 12v at the gauge (you should in you era boat - you would have gateway box weirdness if you didn't)

Your gauge and sender is not a 30-240 ohm as it's a WEMA sender (enclosed reed switches). Those generally don't go bad...... neither does the gauge..... so look for wiring issues and poor connections leading to voltage drop.

PS for folks without WEMA fuel or ballast senders - WEMA senders are enclosed and can not be adjusted. They have a pigtail for connection to wiring harness - do all your testing at the pigtail - DON"T OPEN UP THE HEAD.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 8122pbrainard Quote  Post ReplyReply Direct Link To This Post Posted: August-16-2015 at 8:28am
Check all your connections. Make sure you have a nominal 12 volts to the gauge. Check you have a good ground to the tank/sender by Ohming between the tank ground and the engine block. It should read close to zero. Remove the sender wire at the tank and ground it. The gauge should peg at max. If all checks, remove the sender and Ohm it from min to max. It should give you a clean 30 to 240 Ohm reading. If not, replace the sender.


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77 Tique

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Jeff N View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jeff N Quote  Post ReplyReply Direct Link To This Post Posted: August-16-2015 at 12:59am
The fuel gauge on my 2005 206 works intermittently. Most of the time it reads either empty or half full. Does anyone have any advice on trouble shooting this problem?

Thanks in advance for your help,
Jeff N
Jeff N
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89 - 2001
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