I know you guys have some issues with the new/old gas tank float having different resistances.
I am going to have these same issues in my CRD project since I will use my original float with a 02+ TJ gauge cluster.
I am wondering if anyone else is interested in contributing to my solution.
I was going to make a programmable converter to make the gas gauge read correctly.
I was going to use a 16 pin PIC (16F88 probably). Connect two pins to the float connection.
(there might be other ways to do this that would work better, or are simpler, or provide infinite resistance)
The other 14 pins can be used to provide 14 different resistances. That is, 14 different levels of fuel.
(we might find some digitally adjusted POT too, or a different pic might even have that function, more research would be good)
That is 100% full.
93% full
86% full
78% full
71% full
etc etc etc
What that means on your fuel guage is that your needle will jump between 14 different settings, if more were desired we could probably arrange that.
In terms of cost, the pic I am thinking of right now costs about $4 each, 5V regulator, couple of adjustable POTs, couple of capacitors, solder wire etc...so it adds up, but for the basic components we could probably put it together for about $15-20.
Anyone one interested in buying in on some parts?
Any EE's have anything to contribute?