Temperature sending unit problem.

I meant to also say I’m going to call autozone tomorrow and try to get all the information I can about the unit I have

You are wasting your time. Modern parts people barely know how to look up application, most of 'em anyhow. Even back in my day, the catalogs did not show resistor / temp curves for the thermistors.

Get some resistors as Redfish eluded to above and test the gauge "system." Same resistors can check fuel, and if you have it, oil. Here:

c-3826-jpg.jpg

That will tell you whether the gauge/ wiring/ IVR as a system is halfway accurate