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10-20-2003, 10:17 AM | #1 |
Senior Moment
Join Date: Mar 2002
Location: Pittsburg Ca
Posts: 4,156
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Gas gauge wont hold still
My gas gauge needle moves back and forth from 3/4 to 1/4 while i'm driveing. I'm thinking sender unit ? anybody else have this problem? Who sells a good replacement?
Its driveing me nuts Thanks Steve 1970 CST Short Wide
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1970 CST LS 1 6 speed Ford 9 inch Detroit Tru Track, Dakota Didgital, Vintage Air, QA1 Coil Overs Front & Rear Lots of FUN 2013 GMC PU, Oldest Son 71 GMC LWB. QA1 Suspension, Angry SB. Youngest Son 2019 GMC Diesil Dually. Youngest Son 2017 Toyota SUV Daughters car 2018 Traverse , Wife’s Ride Pittsburg Ca 94565 |
10-20-2003, 10:45 AM | #2 |
Life is Good !
Join Date: Mar 2002
Location: Hollister, Ca.
Posts: 1,992
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I had the same problum ! Never really figured out what it was ! I changed the sending unit and the wire and the gauge stoped bouncing around ! A month later I tore the truck down, so all I know is it worked for that long ! Good Luck !
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'72 Chevy C10 4x4 shortbed "Project" '71 Chevy C10 2wd longbed "partsrunner" '91 Chevy Burb 4x4 "kidrunner" '14 Honda Accord Sport "commuter" |
10-20-2003, 10:49 AM | #3 |
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Join Date: Aug 2002
Location: Valley Center KS
Posts: 3,525
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I got a new sending unit from LMC.
It sounds like you may not be getting a good ground. |
10-20-2003, 11:15 AM | #4 |
Senior Moment
Join Date: Mar 2002
Location: Pittsburg Ca
Posts: 4,156
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As I suspected. I'll be cheching for a good ground and look for a good replacement sender.
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1970 CST LS 1 6 speed Ford 9 inch Detroit Tru Track, Dakota Didgital, Vintage Air, QA1 Coil Overs Front & Rear Lots of FUN 2013 GMC PU, Oldest Son 71 GMC LWB. QA1 Suspension, Angry SB. Youngest Son 2019 GMC Diesil Dually. Youngest Son 2017 Toyota SUV Daughters car 2018 Traverse , Wife’s Ride Pittsburg Ca 94565 |
10-20-2003, 11:54 AM | #5 |
Unregistered User
Join Date: Dec 2001
Location: Houston, TX USA
Posts: 538
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I have the same problem, but it only started after I replaced my instrument cluster bezel. I'm sure it's a ground issue, but I'm not sure where the cluster is supposed to be grounded to the dash.
Can somebody tell me where the ground is supposed to be connected? I don't know why I didn't note this when I pulled it out... Mike
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71 SWB Stepside SB400/TH350 |
10-20-2003, 12:12 PM | #6 |
Registered User
Join Date: May 2000
Location: Storm Lake, Ia
Posts: 1,449
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I had the same problem I think with my 71. The gas needle would flucuate back and forth when driving. I put in a different gas gauge and the problem went away
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10-20-2003, 02:40 PM | #7 |
Black 72 Chevy
Join Date: May 2002
Location: Los Angeles, California
Posts: 662
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Grounding as others said. Check them.
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72 Chevy, SWB, 350engine, TH400 |
10-20-2003, 03:48 PM | #8 |
Life is Good !
Join Date: Mar 2002
Location: Hollister, Ca.
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I had a ground issue with my dash also, mikej71 ! I just ran a wire from the back of the bezel and conected to the cab !
Hope this helps ! Landon
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'72 Chevy C10 4x4 shortbed "Project" '71 Chevy C10 2wd longbed "partsrunner" '91 Chevy Burb 4x4 "kidrunner" '14 Honda Accord Sport "commuter" |
10-20-2003, 05:39 PM | #9 |
Try spinnin 4 rear tars
Join Date: Sep 2003
Location: Salt Lake City, Utah
Posts: 757
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I just assumed it was from gas sloshing around in the tank...
When I turn a corner it moves up and down as the gas moves to one side or the other. It stays pretty still when going straight.
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SWEET7T 1970 C10, 2wd, LB, 307/TH350/3.08. PS, PB |
10-20-2003, 08:42 PM | #10 |
Unregistered User
Join Date: Dec 2001
Location: Houston, TX USA
Posts: 538
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Thanks Landon. I've tried attaching a wire from the metal housing to a screw that's in the bottom of my dash, but I guess i'll just try moving it around to different places.
Mike
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71 SWB Stepside SB400/TH350 |
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