Gas gauge question.. [Archive] - Chevelle Tech

: Gas gauge question..


IROCJOE
Jun 11th, 02, 8:54 AM
(I also posted this in the electrical forum)

I am having problems with my fuel gauge on my 68 SS. I tried some tests to determine if it is the sending unit or the gauge. I checked the ground going from the tank to the tank frame and it looks okay. I then found the brown wire going from the sending unit into the trunk and it was spliced (by previous owner) and pulled them apart. The gauge reads past full when the wires are pulled apart and reads about 3/4 when put back together. I then took them apart and ran the gauge side to ground and it will not drop back less than 3/4. Did I do the test correctly? I know the tank does not have 3/4 full of gas. I feel like the gauge is okay because when disconnected, it bounces past full. But I thought their was a way to get the gauge to fall to empty. By the way, I do not have a ohm meter. Help!!!!!

rocks66ss
Jun 11th, 02, 9:20 AM
Here is info on troubleshooting fuel gauges.
Hope this helps, Oh by the way, you really do need a meter to check these things, you can buy an inexpensive but good one for 15-20 dollars, will be a analog, and for another 15-20 dollars you can get a digital. but check out this link. http://www.chevelles.com/techref/tecref18.html

Rocky Hill

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