There are a lot of people on forums and Facebook spouting ridiculous false information about these gauges. It's a very simple system and is utterly useless.

I made this to try and explain (in a basic manner) how this gauge works and what's actually going on.

As stated in the video, I don't know everything so if I have left something out drop it in the comments.

I also understand that some of the older bullnose trucks used an actual sender. I have one on my 92 IDI that is for an 80-85 or something along those lines.

Enjoy the video!

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