Four way brake union

Pictures are worth a 1000 words, jeep them coming. Also important is year and vehical being worked on and any modifications done and what was the last thing done to the car before the problem started.

The post the wire goes on to should look something like this
View attachment 1715781691
Hi yes that’s on the chassis with the wire in it it’s where the other end of the wire is connected to I can’t find