it is a tan wire or so the wire diagram says
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left cyl head
The temperature gauge sending unit is normally located on the p[passenger side head unit. It is located very closely to the number six cylinder plug.
check the gauges, disconnect the sending unit wires and see if the gauges go up, if not it is the gauges, make sure the key is on
pink wire is the hot to the sending unit on my 84 CJ7
its next to the thermostat housing
It is at the back of your intake manifold screwed into the engine block.
Check the fuel gauge sending unit, located in the fuel tank. The sending unit could be stuck in the full position.
We need to know what sending unit you are asking about, there are several.
It is right behind the distributor. IT is HARD to get to.
Driver side next to Dist. Has a red and orange wires attached.
iam pretty sure this fule filter is in the gas tank just below the sending unit