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#1 |
Registered User
Join Date: Nov 2005
Location: VIRGINIA
Posts: 905
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sending unit
my gas gauge doesnt work, i pulled the seat after grounding out the gauge on back of dash it worked, well i check the wire that runs to the sending unit and yep have juice there too, pulled aanother sender from a parts truck and hooked up b4 i droped it in the tank it worked while moving the float up and down ohh installed a new float also. well after i put it into the tank it wont work,,, forgot to mention while out of tank i grounded it against the tank, question is should i run a ground wire? or is it suppose to ground out when putting the metal hold down ring on? hope this is clear enuff for yall to understand thanks in advance, with 4.55 gears i just gotta know how much gas i have, or better terms dont have
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1969 rs 1966fastback 1969swbc/10 2006gt 1972swb4x4 |
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#2 |
1972 Shorty Owner
Join Date: Feb 2007
Location: Stationed in Cali , born and raised in PHX Arizona.
Posts: 796
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Re: sending unit
there should be a ground that clips onto the sending unit. Is it there?
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1972 Chevy Shorty C-10- Project In Work http://67-72chevytrucks.com/gallery/...ATT1721941.jpg- New Project |
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#3 |
Registered User
Join Date: Jan 2004
Location: Whitehorse YK Canada
Posts: 2,651
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Re: sending unit
Take a look here.....
http://www.6066gmcguy.org/Electrical-02.htm A good diagnosis on gas gauges. I used it last weekend to fix mine. Mine was a 69 GMC and I understand the 72's are a little different, but mine grounded through the ring that holds it in. I would try holding a small piece of wire from the unit to the tank and see it that helps.
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Blaine 59 GMC 9314 a.k.a. Whoopee 68 C20 50th Anniversary a.k.a. The Rat http://www.flickr.com/photos/northerngmc/ http://www.members.tripod.com/P-wee/index_032.htm 1.61803 is one H of a lot better than 3.14159, no really it is! |
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#4 |
Registered User
Join Date: Aug 2006
Location: Bakersfield,CA
Posts: 7,893
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Re: sending unit
mines a 72 and it just has the tan wire going from the tank to the gauge
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-steven Alte Seele S.S. "Allison" '72 C/10 LWB 350SB/TH350 - DD PITBULL IS NOT A CRIME |
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#5 |
Registered User
Join Date: Jan 2004
Location: Whitehorse YK Canada
Posts: 2,651
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Re: sending unit
I think the wiring is the same, but the piping to hook up the fule line is different.
__________________
Blaine 59 GMC 9314 a.k.a. Whoopee 68 C20 50th Anniversary a.k.a. The Rat http://www.flickr.com/photos/northerngmc/ http://www.members.tripod.com/P-wee/index_032.htm 1.61803 is one H of a lot better than 3.14159, no really it is! |
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#6 |
Registered User
Join Date: Nov 2005
Location: VIRGINIA
Posts: 905
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Re: sending unit
thanks just got home, yea on my 72 theres just a single wire back to the fuse box, but as i looked at all 3 diffrent sending units 1 did have a ground wire also, im gonna try a extra ground today, cause when i had it outa the tank and grounded the sender to the tank it works, but drop it in he tank and no workie??? ya think the metal ring is suppose to ground it and its not doing like its suppose to work? thanks guys
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1969 rs 1966fastback 1969swbc/10 2006gt 1972swb4x4 |
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