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Ralph Brunt

  • Karma: +51/-0
fuel guage blues
« on: May 15, 2009, 07:59:34 PM »
for the life of me i cant figure out how to get my fuel guage to work.  :banghead: :banghead:
i have 12v at the ign and good ground then on the signal side of the guage i have 9v wtf ??? and back at the sender i have the same 9v. if i ground the sending unit wire the guage pegs at full. i ground the tank and still it makes no difference. WTF am i doing wrong ??? help guys this boat is smarter than me :-[
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CHEAP, FAST, RELIABLE...PICK 2 CANT HAVE ALL 3
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They are all fukin tasty. My long time favorite, "Dirty Dicks -beerjet-
Quote from: IRRebel on February 16, 2010, 06:11:01 PM
Glasscutter, Skip, OC2  Nordie and many more nail me good every time, relentlessly, I love those guys!

GT Jets

  • Karma: +192/-0
Re: fuel guage blues
« Reply #1 on: May 15, 2009, 08:10:28 PM »
Your sender is FUBAR or the wrong one for the gauge..There are three different variations of senders that I am aware of...

GM 90ohm, works friggen backwards (open reads full) reads empty when 90ohms applied.

SW (Stewart Warner) type 240ohm, reads empty when open, reads full when 240ohms applied.

Ford, Mopar, 190ohm (I think), reads empty when open and full when 190ohms applied.

The only one I am not 100% sure of is the Ford deal, which you should not have, most boat and fuel tank manufacturers use the SW dealios...

Use an ohmmeter to find out what the resistance on the sender is (from ground to the pole of the sender)....

Good luck!

GT
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  • Boat #1: 1992 Carrera 20.5 Elite (I/O bitches)
  • Boat #2: 19' Bubble deck Jet BBC Berkeley
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Quote from: Brad @ SoCalJetBoats.com on December 22, 2009, 07:40:31 PM
If i get some free time tonight at work, ill play with it and post it for everyone to see.

Quote from: IRRebel on June 11, 2011, 07:30:45 PM
Time to man up and yank it John!  :banghead:
Ray

Ralph Brunt

  • Karma: +51/-0
Re: fuel guage blues
« Reply #2 on: May 15, 2009, 08:13:02 PM »
thanx gt ;) i bet your rite. these tanks are not coming out any time soon. i'll just use the tried and tested stick method
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CHEAP, FAST, RELIABLE...PICK 2 CANT HAVE ALL 3
Quote
They are all fukin tasty. My long time favorite, "Dirty Dicks -beerjet-
Quote from: IRRebel on February 16, 2010, 06:11:01 PM
Glasscutter, Skip, OC2  Nordie and many more nail me good every time, relentlessly, I love those guys!

IRRebel

  • Karma: +16/-0
Re: fuel guage blues
« Reply #3 on: May 15, 2009, 08:28:36 PM »
Is this a new guage Ralph?

Ray
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"Life's journey is not to arrive at the grave safely in a well preserved body, but rather to skid in sideways totally worn out shouting 'Holy Shit what a ride!"---Crewcheif22 AKA Keith

Ralph Brunt

  • Karma: +51/-0
Re: fuel guage blues
« Reply #4 on: May 15, 2009, 08:43:40 PM »
Quote from: IRRebel on May 15, 2009, 08:28:36 PM
Is this a new guage Ralph?

Ray
no ray, these are the last couple of things left from when i got it. never have been able to get them to work. was just wondering if i was hooking them up wrong or something
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CHEAP, FAST, RELIABLE...PICK 2 CANT HAVE ALL 3
Quote
They are all fukin tasty. My long time favorite, "Dirty Dicks -beerjet-
Quote from: IRRebel on February 16, 2010, 06:11:01 PM
Glasscutter, Skip, OC2  Nordie and many more nail me good every time, relentlessly, I love those guys!

IRRebel

  • Karma: +16/-0
Re: fuel guage blues
« Reply #5 on: May 15, 2009, 08:52:52 PM »
Ohhhh Ok then. Sounded like a new development, which it is, but from a different manner. Have similar issues with the fuggin tach on the Blue boat, just don't care any more, know it ain't spinning above 4k, lol

Ray
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"Life's journey is not to arrive at the grave safely in a well preserved body, but rather to skid in sideways totally worn out shouting 'Holy Shit what a ride!"---Crewcheif22 AKA Keith

GT Jets

  • Karma: +192/-0
Re: fuel guage blues
« Reply #6 on: May 15, 2009, 08:56:52 PM »
I would leave it Ray, it seems on my boat, every time the tach reads higher numbers, the fuel gauge starts to drop (you can almost watch it move)   ;D
You should be getting killer mileage  ;)

GT
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  • Boat #1: 1992 Carrera 20.5 Elite (I/O bitches)
  • Boat #2: 19' Bubble deck Jet BBC Berkeley
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Quote from: Brad @ SoCalJetBoats.com on December 22, 2009, 07:40:31 PM
If i get some free time tonight at work, ill play with it and post it for everyone to see.

Quote from: IRRebel on June 11, 2011, 07:30:45 PM
Time to man up and yank it John!  :banghead:
Ray

IRRebel

  • Karma: +16/-0
Re: fuel guage blues
« Reply #7 on: May 15, 2009, 09:01:01 PM »
Yeah I do, but not for long if I have my way! I can run it ALL DAY and use maybe 1/3 of it's tanks, and that's WITH the gasoline smell! Which I beleive is the carb.  (Three lake trips, haven't filled up again yet).

But just freaking bugging me, lol Should leave the fugger alone, but not gonna. >:D

Ray
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"Life's journey is not to arrive at the grave safely in a well preserved body, but rather to skid in sideways totally worn out shouting 'Holy Shit what a ride!"---Crewcheif22 AKA Keith

GT Jets

  • Karma: +192/-0
Re: fuel guage blues
« Reply #8 on: May 15, 2009, 10:33:41 PM »
Quote from: GT Jets on May 15, 2009, 08:10:28 PM
Your sender is FUBAR or the wrong one for the gauge..There are three different variations of senders that I am aware of...

GM 90ohm, works friggen backwards (open reads full) reads empty when 90ohms applied.

SW (Stewart Warner) type 240ohm, reads empty when open, reads full when 240ohms applied.

Ford, Mopar, 190ohm (I think), reads empty when open and full when 190ohms applied.[/s]

The only one I am not 100% sure of is the Ford deal, which you should not have, most boat and fuel tank manufacturers use the SW dealios...

Use an ohmmeter to find out what the resistance on the sender is (from ground to the pole of the sender)....

Good luck!

GT

Boy I fukered that up...After checking, I have to correct myself.... ;D

The Ford Mopar dealio is as follows...Also works in reverse like the GM unit, but at 70ohms will read empty, open will read full.

Looks like I picked the wrong week to stop sniffing glue  :sly: ;D  (Airplane!)
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  • Boat #1: 1992 Carrera 20.5 Elite (I/O bitches)
  • Boat #2: 19' Bubble deck Jet BBC Berkeley
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Quote from: Brad @ SoCalJetBoats.com on December 22, 2009, 07:40:31 PM
If i get some free time tonight at work, ill play with it and post it for everyone to see.

Quote from: IRRebel on June 11, 2011, 07:30:45 PM
Time to man up and yank it John!  :banghead:
Ray
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