5V conversion help needed

Thanks RedFish. The resistance chart is not my photo. I filed it away from this site where guys trade very helpful info. Sorry, I don't know who to credit for posting it. The fuel sender limits are given many places (some variances). I recall seeing more commonly about 10 ohm (full) to 70 ohm (empty), often on after-market gages. Of course, every sender varies. Most important is to set your empty reading correct so you don't end up walking. The temperature sensor range is harder to find. All my 60's Mopars have just an on-off lamp for oil pressure.