How to test unknown fuel gauge.

67Dart273 said
I've written "a bunch" here (hop most of it is correct LOL) about the problems with these gauges and accuracy. It's not just the senders, sometimes it's also connections in the cluster, wiring, the accuracy of the instrument regulator, etc etc. Here are the factory resistances:

View attachment 1715165777

Del, weren't you going to try to make testers for the gauges??/ We cracked the code a couple of years back for the resistors...

@halifaxhops was also going to try to copy one and I have one of his prototype gauge testers that are battery powered...

Those can be used to test the gauge sweep...