My car will be in the garage next Saturday...finally. The 280mm sender has been sitting on the workbench awaiting her arrival.
Let us know what you find when you remove the existing one Ken. It might already be a 280mm one
Just did the swap over. You can see that the factory one is considerably shorter than the 280mm one. I switched them over and the gauge immediately read 100% though and has not changed. Think it's a grounding issue?