I'm working on the gauges on my sons 64 Dart and we discovered that someone has changed the wire locations on the pin connector that plugs into the back of the instrument cluster !
We fiqured out the temp. gauge, and it now works.....
Where do I find a wiring diagram for this ?
More info ::::: 64 Dart GT 2 door, was 273 V8 now 225, pushbutton auto, has few options, ie; heater and am radio.
Any help would be greatly appreciated.

You really (really really) need a factory service manual for work like this. There's no substitute, but you might be able to get by for now with one of these downloadable wiring diagrams.

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一期一会
Too many people who were born on third base actually believe they've hit a triple.

thanks for the links.
those diagrams will definitely help.