fuel gauge fluctuates [Archive] - Diesel Place : Chevrolet and GMC Diesel Truck Forums

: fuel gauge fluctuates


thj327
05-15-2007, 08:04 AM
noticed when driving last night my fuel gauge was pegged to the left and then some, but when i turned my head light switch off gauge goes back to reading normal and also when lights are on and gauge starts acting up my glow plug light comes and right trun signal light comes on cluster. is this a ground problem? its a 94 3500 one ton w/6.5l

nvmtnlion
05-15-2007, 10:06 AM
Does the temp gauge do it too? Sounds like ya need to check the ground that is near the emergency brake release handle.

thj327
05-15-2007, 10:23 AM
no the temp gauge works good only fuel gauge doing it, is the ground above or below handle release.

ghitch75
05-15-2007, 12:12 PM
bad ground at fuel tank will do it too......

stingthieves
05-15-2007, 04:46 PM
Does the temp gauge do it too? Sounds like ya need to check the ground that is near the emergency brake release handle.


So THATs where the pesty little connection resides!!!:)

And all this time I have been cleaning engine and battery grounds!

http://i96.photobucket.com/albums/l161/stingthieves/nose.jpg (http://i96.photobucket.com/albums/l161/stingthieves/nose.jpg)
(Image has been resized. Click it for full size.)

kenker
05-15-2007, 08:57 PM
When filling up last time guage read slightly over 3/4 tank but I could see fuel up to the neck. Only have 13000 miles