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#151 |
Registered User
Join Date: Aug 2010
Location: SE Alabama
Posts: 9
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Re: 67-72 Chevy Truck fuel gauge diagnostics 101
Also, feed wire at plug is 90 ohm, but once plugged in it goes to 36 ohms.
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#152 | |
Registered User
Join Date: Aug 2010
Location: SE Alabama
Posts: 9
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Re: 67-72 Chevy Truck fuel gauge diagnostics 101
Quote:
It’s weird. Seems to work until I connect the printed circuit Last edited by bamabronc; 04-18-2020 at 03:17 PM. |
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#153 | |
Registered User
Join Date: Dec 2011
Location: Brandon, Manitoba, Canada
Posts: 546
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Re: 67-72 Chevy Truck fuel gauge diagnostics 101
Quote:
Run a wire from the ground stud on the back of the gauge to a good ground.
__________________
Bob 1967 2wd Burb, 350/TH350, 3.73 posi |
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#154 |
Registered User
Join Date: Dec 2011
Location: Brandon, Manitoba, Canada
Posts: 546
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Re: 67-72 Chevy Truck fuel gauge diagnostics 101
The one I have the black jumper on.
__________________
Bob 1967 2wd Burb, 350/TH350, 3.73 posi |
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#155 |
Registered User
Join Date: Aug 2010
Location: SE Alabama
Posts: 9
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Re: 67-72 Chevy Truck fuel gauge diagnostics 101
Tried grounding stud with a wire and no change while harness plugged in
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#156 |
Registered User
Join Date: Dec 2011
Location: Brandon, Manitoba, Canada
Posts: 546
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Re: 67-72 Chevy Truck fuel gauge diagnostics 101
I'm stumped. All seems to be OK, but still it doesn't work.
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__________________
Bob 1967 2wd Burb, 350/TH350, 3.73 posi |
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#157 |
Registered User
Join Date: Aug 2010
Location: SE Alabama
Posts: 9
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Re: 67-72 Chevy Truck fuel gauge diagnostics 101
Here is a great YouTube explanation on fuel gauges I thought I would share. It covers the resistors and such. https://youtu.be/bVT2Jh_p02A
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#158 |
All about them K’s
![]() Join Date: Jun 2014
Location: Land of Entrapment
Posts: 6,377
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Re: 67-72 Chevy Truck fuel gauge diagnostics 101
I just wanted to thank Vettevet and Tbone for this great thread. I had to replace my gauge resistor but thanks to this thread I was able to get my gauge working again. You guys are awesome.
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Tyler '57 3100 http://67-72chevytrucks.com/vboard/s...d.php?t=813888 '72 K20 Cheyenne http://67-72chevytrucks.com/vboard/s...d.php?t=662879 ‘69 K10 SWB http://67-72chevytrucks.com/vboard/s...d.php?t=805206 '98 Silverado LT K2500HD ECLB Vortec 454/4l80E: 6" lift 315/75/16's ‘87 IROC-Z all original 50K mile survivor TPI 305 IROC Blue ‘10 Camaro 2SS/RS Aqua Blue Metallic #93 -version 2.0 ![]() |
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#159 |
Cluster King
![]() Join Date: Nov 2012
Location: Junction City, OR
Posts: 5,263
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Re: 67-72 Chevy Truck fuel gauge diagnostics 101
Glad the information provided has helped you. It's always a pleasure to help .
__________________
Contact me on all of your gauge cluster needs. I specialize in restoration, repair and parts sales for 67-72 Chevy and GMC trucks. email me at tbonegarris@yahoo.com I am also a dealer for Counterpart for gauge cluster parts only. Also see my facebook page, CG&C |
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