Beast496
Junior Member
- Joined
- Feb 26, 2024
- Posts
- 2
- Reaction score
- 7
- Location
- Fallon, Nevada
- First Name
- Ron
- Truck Year
- 1985
- Truck Model
- Sierra K3500
- Engine Size
- 496
Hey all, tried searching for this one, but couldn't find exactly what it could be except for possibly a resistor issue. 85' K3500 with both left and right saddle fuel tanks were initially working as advertised. Gauge was reading accurate, switch was working, everything, etc. Then, one day, I went and filled both tanks, and when i got in the truck and started it up, the gauge only went to 1/4 tank, on both sides. Fuel level seems to correlate correctly from there, if you picture 1/4 tank as the new full lol. In other words, 1/4 =full tank, 1/8 = 1/2 tank, 1/16 =1/4 tank and so on. Again, this is for both sides. Was gonna start digging into it but wanted to see if anyone has had this problem before I do. Thanks.
