Has anyone had success using a device like this inline to compensate for their incorrect aftermarket sender/factory gauge? I've heard from some that they work, and others that they do not.

Basically an adjustable resistor I assume?

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


1969 Dodge Coronet Super Bee 383 A4
1970 Plymouth Road Runner 440 FC7 (sold)