fuel gage reading backwards

[blingmaker]

Would this work to translate between the two?

 

https://www.tanksinc.com/index.cfm/page/ptype=product/product_id=748/category_id=-1/mode=prod/prd748.htm

[Ωhm]

Claims it can.

 

From page_1 Installation Instruction manual.

It treats the input and output entirely separately, so it doesn't care if the input to the gauge is scaled differently than the sender, or even if the sender signal is reversed - it can correct for that.