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Unread 02-04-2012, 03:51 PM   #1
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Join Date: Feb 2012
Location: Thousand Oaks, CA
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1973 cj5 fuel sending unit

I have a 73 CJ5 with a 304 V8 in it. Im having problems with getting the fuel gauge to work. When i ground the wire to the sending unit the gauge goes up to full, but when I connect to the sending unit I get no reading. I have grounded the sending unit and exposed the float to move it, nothing happens. OHMS test shows 265 at empty and 38 at full, the gauge that I have is stock and is built into the speedometer. Can anyone tell me whats wrong?

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Unread 02-04-2012, 04:14 PM   #2
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1986 CJ7 
Join Date: Mar 2007
Location: Jacksonville, Oregon
Posts: 2,309
Sounds like you have a bad quantity sender.

John Strenk is the master of troubleshooting Jeep CJ gauges. Here is a link to his site that explains the values your should see at the sending unit.


John's work has helped me numerous times.

Good Luck..........
'86 CJ7, 258, Carter BBD, Nutter'ed, TeamRush'ed, T-18, Twin Sticked Dana 300, D30 Frt-Pwr Lok L/S-4.10, AMC 20 Rear-Mosers-Detroit Locker-4.10, 2.5 BDS Lift, 1" Body Lift, 33" Wild Country M/Ts, Black Spoke wheels

'45 CJ2A, L134 Go Devil, T-90 Tranny, Warn O/D, T-18 T-Case, Dana 25 Frt, Dana 41 Rear, 531st CJ made

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