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Forums -> C3 Fuel, Emission Control, and Exhaust Systems
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6/27/10 11:17am - Original Message: 'Low Fuel Light'
rraider1
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Woodland, WA - USA

Vette(s):
1977 T-Top,350,Auto Black Ruby Pearl,Steeroids R&P conversion

Joined: 10/14/2003
Posts: 1152

Does anyone know at what point the 77 low fuel light should come on, this is one of the last nonessentials to fix just so that everything works. I found my light ckt bord and installed it removed some gas untill I had approx 4 gallons and the light did not come on.

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6/27/10 8:06pm - Reply: 'Low Fuel Light'
Adams' Apple Lifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 19459
Does the light come on if you ground the wire at the sending unit?
I don't know for sure how low it should be, but most of the GM car's I've had with a light would come on at about 2 gal, if that helps.


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Joel Adams
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"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"
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6/27/10 9:52pm - Reply: 'Low Fuel Light'
Iron82 Lifetime Member
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Vette(s):
1982 Collector Edition #3413

Joined: 7/24/2003
Posts: 2150
I drove my '82CE  to NY in 2006 for a test on it. Had about 2 gals of fuel left when the light came on.  Hope this helps.

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IRON 82
C3VR Lifetime Member #51
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6/27/10 10:42pm - Reply: 'Low Fuel Light'
rraider1
Former Member
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Woodland, WA - USA

Vette(s):
1977 T-Top,350,Auto Black Ruby Pearl,Steeroids R&P conversion

Joined: 10/14/2003
Posts: 1152
Grnd the Sender light did not come on I will pull the ckt card and test it.

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Bob R
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6/28/10 3:14pm - Reply: 'Low Fuel Light'
rraider1
Former Member
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Woodland, WA - USA

Vette(s):
1977 T-Top,350,Auto Black Ruby Pearl,Steeroids R&P conversion

Joined: 10/14/2003
Posts: 1152

Replaced the 2 transistors on the ckt bd, now the light will come on when the sender is grounded (approx 10 seconds after grounding). its one of those fixes I propably will never see work



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Bob R
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6/28/10 9:55pm - Reply: 'Low Fuel Light'
Adams' Apple Lifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 19459
It's a start!! The light should have a "delay" feature that keeps it from flickering when it gets to the point of illuminating...sort of a buffer. So, grounding the sender wire, and the light coming on a few seconds later sounds like it should work fine. Just drive it till the light comes on.....be sure to have a gas can wid ya, just in case!
Naw...it'll work. You prolly won't ever let the tank get low enough, tho. I never let mine get down that far either...I'm too skeered it'll run out on me. At least on mine I can look down in the tank and see how much fuel is in there! 


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Joel Adams
C3VR Lifetime Member #56    
My Link


(click for Texas-sized view!)
             NCRS

"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"
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 Forums -> C3 Fuel, Emission Control, and Exhaust Systems
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