The 1947 - Present Chevrolet & GMC Truck Message Board Network







Register or Log In To remove these advertisements.

Go Back   The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1960 - 1966 Chevrolet & GMC Pickups Message Board > 60-66 Suburbans

Web 67-72chevytrucks.com


Reply
 
Thread Tools Display Modes
Old 10-27-2014, 03:27 PM   #1
65chevysub
Registered User
 
65chevysub's Avatar
 
Join Date: Feb 2013
Location: Cottonwood, Arizona
Posts: 1,382
Fuel guage going nuts

Just got my 65 Sub running again, and when I started it, and while driving, the fuel guage needle is going nuts, fluttering back and forth. Could this be a ground issue? I had the tank out awhile back, and thought I got the ground wire tight. Any ideas? Thanks
65chevysub is offline   Reply With Quote
Old 10-27-2014, 06:24 PM   #2
chevy_mike
Never Ending Projects
 
chevy_mike's Avatar
 
Join Date: Jul 2006
Location: San Diego, CA
Posts: 3,836
Re: Fuel guage going nuts

Remember, these tanks are not baffled so movement of the gas inside will cause it to fluctuate back and forth, while driving.

If you are sitting still and it's doing it, it's likely a bad ground or sender wire connection.
__________________
.
1965 C10 Panel, Tiki Express http://www.67-72chevytrucks.com/vboa...d.php?t=506580 SOLD
1968 Chevy C10, Long, Fleetside, Hot Rod Hauler http://67-72chevytrucks.com/vboard/s...d.php?t=313233 SOLD
1965 Chevy C10, Long, Fleetside, Hot Rod C10 http://67-72chevytrucks.com/vboard/s...d.php?t=415702 SOLD


We were given two ears and one mouth for a reason... listen twice as much and speak half as often...
chevy_mike is offline   Reply With Quote
Old 10-28-2014, 08:20 AM   #3
65chevysub
Registered User
 
65chevysub's Avatar
 
Join Date: Feb 2013
Location: Cottonwood, Arizona
Posts: 1,382
Re: Fuel guage going nuts

Thanks. It does do it sitting still as well as driving. I'll check the ground wire and sender unit wire
65chevysub is offline   Reply With Quote
Old 10-28-2014, 10:58 AM   #4
chevy_mike
Never Ending Projects
 
chevy_mike's Avatar
 
Join Date: Jul 2006
Location: San Diego, CA
Posts: 3,836
Re: Fuel guage going nuts

I have found over the years that most electrical problems are 90% bad grounds and 10% bad, missing or incorrect wiring.
__________________
.
1965 C10 Panel, Tiki Express http://www.67-72chevytrucks.com/vboa...d.php?t=506580 SOLD
1968 Chevy C10, Long, Fleetside, Hot Rod Hauler http://67-72chevytrucks.com/vboard/s...d.php?t=313233 SOLD
1965 Chevy C10, Long, Fleetside, Hot Rod C10 http://67-72chevytrucks.com/vboard/s...d.php?t=415702 SOLD


We were given two ears and one mouth for a reason... listen twice as much and speak half as often...
chevy_mike is offline   Reply With Quote
Old 10-28-2014, 10:07 PM   #5
65chevysub
Registered User
 
65chevysub's Avatar
 
Join Date: Feb 2013
Location: Cottonwood, Arizona
Posts: 1,382
Re: Fuel guage going nuts

I'm thinking bad ground. It didn't do all the jumping around a few months ago before I dropped the tank.. Now all I have to do is correct the lights in my cluster and I'm good. Thanks for your help
65chevysub is offline   Reply With Quote
Reply

Bookmarks


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -4. The time now is 08:59 AM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
Copyright 1997-2022 67-72chevytrucks.com