Fuel sending unit
Thread Starter
|
New User
Joined: Feb 2017
Posts: 22
Likes: 0
Fuel sending unit
Need a bit of help. have a 78' F250. Rear tank, this weekend put just over 10 gallons of gas in the tank. Fuel gauge showed darn near empty. (Just bought this thing, so not sure how accurate fuel gauge is). 19 gallon tank, should be at least 1/2 full. Anyhow, needle only comes up just past empty. So I'm thinking likely a bad ground because when a switch to the aux. tank, the fuel gauge works.
So I pull the ground wire on the rear sending unit and touch to a good ground. Dial doesn't move except just above E. Hook this back up, and pull the other wire and ground that. Same thing. I don't ground the wire, turn the key, same thing. Needle comes up just a hair above E.
So, have I gone about this all right? What does all of this point towards? Bad wiring? Bad sending unit? Where should I go from here?
This is probably a really newbie/dumb question, but this is my first resto.
So I pull the ground wire on the rear sending unit and touch to a good ground. Dial doesn't move except just above E. Hook this back up, and pull the other wire and ground that. Same thing. I don't ground the wire, turn the key, same thing. Needle comes up just a hair above E.
So, have I gone about this all right? What does all of this point towards? Bad wiring? Bad sending unit? Where should I go from here?
This is probably a really newbie/dumb question, but this is my first resto.
Moderator & parts slinger
Joined: Feb 2007
Posts: 50,281
Likes: 5,824
From: S/W Missouri, Polk county
MY $.02 to test it and to remove tank. https://www.ford-trucks.com/forums/1...l#post14696841
Fuel sender
76-up F100-350 >s/n C00,000
Use with aft axle steel tank, includes gasket
D7TZ-9275-D
Bob Hoover Ford-Mercury, Vienna, IL (618) 658-9218
Brighton Ford, Brighton, MI (800) 336-3305
Beau Townsend Ford, Vandalia, OH (937) 898-5841
Own Ford, Jarratt, VA (434) 535-8515
Vintage Fords, Beaver Dam, WI (877) 846-8243
Fuel sender
76-up F100-350 >s/n C00,000
Use with aft axle steel tank, includes gasket
D7TZ-9275-D
Bob Hoover Ford-Mercury, Vienna, IL (618) 658-9218
Brighton Ford, Brighton, MI (800) 336-3305
Beau Townsend Ford, Vandalia, OH (937) 898-5841
Own Ford, Jarratt, VA (434) 535-8515
Vintage Fords, Beaver Dam, WI (877) 846-8243
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 790
From: Simi Valley, CA
MY $.02 to test it and to remove tank. https://www.ford-trucks.com/forums/1...l#post14696841
D7TZ-9275-D (replaced D3TZ-9275-A) .. Fuel Sending Unit-Use with Aft Axle Steel Fuel Tank / Marked: D3TF-9275-AA or D7TF-9275-DA / Obsolete
1973/79 F100/350 (1973 F100 302 from serial number R20,001).
OWEN FORD in Jarratt VA has 1 = 434-535-8515.
BOB HARPER FORD in Vienna IL has 1 = 618-658-9218.
KLIMESH MOTOR SALES in Calmar IA has 3 = 563-562-3241.
NOS PARTS LTD in Waxahachie TX has 5 = 972-937-2201.
VINTAGE PARTS INC. in Beaver Dam, WI has 89 = 877-846-8243.
D7TZ-9275-D (replaced D3TZ-9275-A) .. Fuel Sending Unit-Use with Aft Axle Steel Fuel Tank / Marked: D3TF-9275-AA or D7TF-9275-DA / Obsolete
1973/79 F100/350 (1973 F100 302 from serial number R20,001).
OWEN FORD in Jarratt VA has 1 = 434-535-8515.
BOB HARPER FORD in Vienna IL has 1 = 618-658-9218.
KLIMESH MOTOR SALES in Calmar IA has 3 = 563-562-3241.
NOS PARTS LTD in Waxahachie TX has 5 = 972-937-2201.
VINTAGE PARTS INC. in Beaver Dam, WI has 89 = 877-846-8243.
Thread
Thread Starter
Forum
Replies
Last Post
Pitcrw6
1973 - 1979 F-100 & Larger F-Series Trucks
4
Apr 2, 2014 04:36 PM
mhwessel
1967 - 1972 F-100 & Larger F-Series Trucks
2
Jun 11, 2013 10:13 PM
Redmanbob
1967 - 1972 F-100 & Larger F-Series Trucks
11
Feb 14, 2013 12:11 AM
daddy hadday
1961 - 1966 F-100 & Larger F-Series Trucks
7
Aug 12, 2011 12:32 PM
