Thumper
1/2 ton status
My 85 has the stock sender/ wiring/ guage in it. It was a new tank like 6 yrs ago. Everything was working ducky until a week or so ago.
The guage started acting up... one day it would be reading overfull, the next 1/2, the next 5/8ths, the next 3/8ths etc. It was all over the place. I replaced the wiring from the cab back under the truck, and added a tank ground wire, and things seemed to be better but not much. It kinda seemed to stabilize around 5/8ths of a tank and move with the truck... example how the tank drops a bit when you climb etc. It actually dropped a bit over the two days also so I thought all was well. Then I ran out of gas last Sunday, indicating half a tank. When I added my jerry can, and got to the gas station I put in 20.00 worth, and the guage moved up and read almost 3/4 tank. Over the last 4 days, I have driven the truck every day, and the guage has steadily dropped as normal towards the half mark. I added 40.00 worth of gas today (50 L) and it moved up to well overfull. It totally seems like either the sender or the guage has been changed to think that half is empty. Has anyone ran into this before? Is there anything I can do? Do you think the guage or the sender might be the one messed up? I suppose the next step would be to yank the dash, run the truck out of gas again, and twist the gas needle back to around empty. Any other options? Is it possible to adjust the calibration of the system?
Thanks
Mike
The guage started acting up... one day it would be reading overfull, the next 1/2, the next 5/8ths, the next 3/8ths etc. It was all over the place. I replaced the wiring from the cab back under the truck, and added a tank ground wire, and things seemed to be better but not much. It kinda seemed to stabilize around 5/8ths of a tank and move with the truck... example how the tank drops a bit when you climb etc. It actually dropped a bit over the two days also so I thought all was well. Then I ran out of gas last Sunday, indicating half a tank. When I added my jerry can, and got to the gas station I put in 20.00 worth, and the guage moved up and read almost 3/4 tank. Over the last 4 days, I have driven the truck every day, and the guage has steadily dropped as normal towards the half mark. I added 40.00 worth of gas today (50 L) and it moved up to well overfull. It totally seems like either the sender or the guage has been changed to think that half is empty. Has anyone ran into this before? Is there anything I can do? Do you think the guage or the sender might be the one messed up? I suppose the next step would be to yank the dash, run the truck out of gas again, and twist the gas needle back to around empty. Any other options? Is it possible to adjust the calibration of the system?
Thanks
Mike
