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Thread Tools | Display Modes |
11-12-2004, 08:04 PM
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#1 |
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67-72 Addict!
Join Date: Feb 2002
Location: The TAX State!
Posts: 7,856
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Gas gauge still not working
I still have not figured out why the gauge reads 1/8 . I recently installed a new sending unit and new wire to the fuse block. We took the truck to the gas station yesterday and filled it. I know the gauge is good because when I pulled the connector off the fuel terminal and plugged it into the terminal below it the needle shot up way past full. I'm open to any suggestions on what to look for.
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Jim 1970 C/10 Fleetside w/Ghost Flames Lowered 4.5" front and 4" rear (Raked) 355/350 Turbo w/shift kit 10" Redneck Performance Verter w/2500 stall Hooker Super Comps part#2808-1 Performer RPM Air-Gap 12 Bolt w/3:73 gears- Eaton Posi Comp Cams XE262 with 1.6 Crane Energizers, Road Demon 625 and Brodix IK 180 heads |
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11-12-2004, 08:24 PM
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#2 |
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Registered User
Join Date: Jun 2002
Location: Knoxville Tenn.
Posts: 3,058
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You need to change the white ceramic resistor on back of gauge. Check here:
www.fix-a-gauge.com
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56 Chevy Bel-Air 2dr. HT (purchased new) 71 Chevy Cheyenne SWB PU (502HO) 65 GMC short bed step--work in progress and my gofer |
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11-12-2004, 08:40 PM
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#3 |
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67-72 Addict!
Join Date: Feb 2002
Location: The TAX State!
Posts: 7,856
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jhow66, the weird thing is when I first tested this cluster before it was finally installed, the gas gauge worked perfect.
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Jim 1970 C/10 Fleetside w/Ghost Flames Lowered 4.5" front and 4" rear (Raked) 355/350 Turbo w/shift kit 10" Redneck Performance Verter w/2500 stall Hooker Super Comps part#2808-1 Performer RPM Air-Gap 12 Bolt w/3:73 gears- Eaton Posi Comp Cams XE262 with 1.6 Crane Energizers, Road Demon 625 and Brodix IK 180 heads |
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11-12-2004, 09:24 PM
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#4 |
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Inline 69
Join Date: Apr 2003
Location: valleysprings,california
Posts: 1,018
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If the gauge needle remains stuck in one place, try turning the ignition switch off and on several times in succession. This will allow you to determine if it is the dash gauge or the tank sending unit that is defective. If turning the ignition switch off and on (a half-dozen times is a good test) does not seem to help, and you've verified that the dash gauge is receiving power, try the following troubleshooting steps:
theres a few more examles on this link maybe itll help.. jeff http://www.chevytrucks.org/tech/gasgauge.htm |
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11-12-2004, 11:41 PM
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#5 |
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Registered User
Join Date: Jun 2002
Location: Knoxville Tenn.
Posts: 3,058
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C10 did you have the printed circuit off? It takes very little to cause a open circuit in the resistor because of their age. You can test it with a ohm meter by removing the printed circuit off the two post. If it shows nothing replace it.
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56 Chevy Bel-Air 2dr. HT (purchased new) 71 Chevy Cheyenne SWB PU (502HO) 65 GMC short bed step--work in progress and my gofer |
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11-13-2004, 01:34 AM
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#6 |
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67-72 Addict!
Join Date: Feb 2002
Location: The TAX State!
Posts: 7,856
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jef5150- thanks for that link. I will try those things this weekend.
jhow66- I never touched the printed circuit. I do have some other gas gauges I could try as well. I appreciate the help guys. Thanks 
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Jim 1970 C/10 Fleetside w/Ghost Flames Lowered 4.5" front and 4" rear (Raked) 355/350 Turbo w/shift kit 10" Redneck Performance Verter w/2500 stall Hooker Super Comps part#2808-1 Performer RPM Air-Gap 12 Bolt w/3:73 gears- Eaton Posi Comp Cams XE262 with 1.6 Crane Energizers, Road Demon 625 and Brodix IK 180 heads |
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11-13-2004, 03:08 AM
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#7 |
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Still drivin' a Rat Rod
Join Date: Sep 2004
Location: Monett Missouri
Posts: 4,925
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Sometimes these things go bad just sitting,Sounds to me like the gauge is bad.
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Rusty Member #13872 Instead of saying.....you are a discomfort in the back of my front.....one should be able to say...... you are a pain in the *a$#* 71 GMC LWB 49 Chevy 85 Chevy G20 Check out my website |
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11-13-2004, 09:24 AM
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#8 |
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Registered User
Join Date: Jan 2003
Location: Washington State
Posts: 8,831
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Some very helpful info on this post, just purchased a GMC with the 1/4 tank issue...
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1970 Chev CST 2003 Harley Fatboy 1975 Chevrolet Step Van 1956 Chev Bel Air 1977 Blazer 2WD For Sale $3000.00 1978 Blazer 2WD For Sale $7000.00 1978 Silverado 2005 Monte Carlo |
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