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buckettt
Samba Member
Joined: August 31, 2005
Posts: 259
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 Posted: Wed Jan 05, 2011 5:40 pm Post subject: Fuel sender install |
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| Got a new fuel sender for x-mas ( late model sender from bus depot)...( i have a 1978, 2 liter camper). Has 2 wires that go to it, if I hook it up one way the needle drops below empty ....if I hook it up the other way needle goes way past full.....only have about 1/2 tank of gas in it......(with old sender needle never moved-was always on empty)......did I put it in wrong, maybe hanging up on something, float arm doesn't seem bent....any suggestion..... |
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SGKent 
Samba Member
Joined: October 30, 2007
Posts: 42532
Location: at the beach
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| Posted: Wed Jan 05, 2011 5:57 pm Post subject: |
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is this out of the tank or in the tank?
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busdaddy
Samba Member
Joined: February 12, 2004
Posts: 52781
Location: Surrey B.C. Canada, but thinking of Ukraine
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| Posted: Wed Jan 05, 2011 6:05 pm Post subject: |
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The way that shows empty is correct (assuming your tank is MT) as in the wire with the stripe on the insulated terminal, when it's out of the tank and you hook it up does the gauge move as you move the float?
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Vwman55
Samba Member
Joined: August 11, 2005
Posts: 550
Location: Valparaiso, IN
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| Posted: Wed Jan 05, 2011 6:11 pm Post subject: |
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2 wires correct? One wire should be ground to frame, goes on the lug that's welded to sender, second wire goes to gauge, isolated by plastic on sender.
If you ground the wire to gauge it should show full tank. All connections clean and tight. You can also ground at the gauge cluster in the cab. if that doesn't work you may have a bad gauge.
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buckettt
Samba Member
Joined: August 31, 2005
Posts: 259
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| Posted: Wed Jan 05, 2011 6:31 pm Post subject: |
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| its installed in the tank right now (fit right into place and tapped it a few times to turn and lock it in)..when I had sender out of the tank and moved the float up and down the gauge would move also ( its a little slow but I think thats normal )...and yes when I had old sender still installed the gauge would go all the way to full when wire removed and grounded ( from what I read this should indicate wires and guage are working)...guess I just need to pull it out and try again.... |
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timo78
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Joined: July 03, 2009
Posts: 931
Location: Overcast and Loving it
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| Posted: Wed Jan 05, 2011 7:53 pm Post subject: |
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If you ground the wire to gauge it should show full tank. |
Yep and if left there for too long may cook the gauge. I learned the hard way on that one.
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SGKent
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Joined: October 30, 2007
Posts: 42532
Location: at the beach
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Hoody
Samba Member
Joined: November 28, 2007
Posts: 1948
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| Posted: Thu Jan 06, 2011 1:12 am Post subject: |
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| Don't overlook the fuel gauge vibrator. Your original one may have been good. |
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Wildthings
Samba Member
Joined: March 13, 2005
Posts: 52335
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| Posted: Thu Jan 06, 2011 2:52 am Post subject: |
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| It has been my experience that the replacement VDO senders are extremely inaccurate and all the bending in the world will not make them read all that well. Don't know if there is something better out there or not. May try just rewinding an old one the next time I have one go bad. |
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