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Anyone what color is wire on 1986 grand wagoner 360cui for oil sending unit
I believe it’s a blue wire

It will be on the wiring diagram, free to read and download here: https://oljeep.com/gw/elec/GW_wiring.html

Usually they are purple or purple with a stripe (trace).

<later> light blue.

Oil sending unit should be a little blue/black due to oil lol, i believe thats the color on my 90