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01-03-2012, 07:22 PM
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#1 |
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Registered User
Join Date: Mar 2010
Location: Los Angeles, California
Posts: 226
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Fuel Gauge at 3 o'clock?
I have a '71 K/5. Fuel gauge needle sits at 3 o'clock position. Just installed new 20 gallon poly tank with new sending unit etc. It read perfectly for 6 months now the fuel gauge needle sits at 3 o'clock position. Any ideas?
__________________
 '71 K/5 CST Work in progress...In Sicily, women are more dangerous than shotguns.
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01-03-2012, 07:39 PM
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#2 |
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needs more $$$
Join Date: Mar 2004
Location: Sacramento
Posts: 1,936
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Re: Fuel Gauge at 3 o'clock?
I think it reads full if the gauge/sending unit wire's is grounded. I'd check that 1st.
__________________
1970 2wd Blazer |
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01-03-2012, 08:08 PM
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#3 |
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Registered User
Join Date: Oct 2011
Location: St Petersburg, Florida
Posts: 154
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Re: Fuel Gauge at 3 o'clock?
I think that the guage wire is a brown wire that runs down the driver side of the frame rail. I would trace it all the way back to the firewall. Also check the ground wire. I think 0 ohms reads empty and 90 reads full. I just replaced my float switch.
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01-07-2012, 08:38 AM
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#4 |
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Registered User
Join Date: Aug 2010
Location: Fredericksburg, VA
Posts: 14
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Re: Fuel Gauge at 3 o'clock?
I had the same issue and it drove me nuts for weeks. Turned out that the float had fuel in it.
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03-15-2012, 05:10 PM
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#5 |
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Registered User
Join Date: Mar 2010
Location: Los Angeles, California
Posts: 226
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Re: Fuel Gauge at 3 o'clock?
Ran a new ground wire and all is well. Thanks guys!
__________________
'71 K/5 CST Work in progress...In Sicily, women are more dangerous than shotguns.
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