the recent problem i am trying to work on is my horn, cruise control, aux outlet and mirror control are either not working for only part working, given that wiring isnt my speciality looking for some answers or where to start here, appreciate the input.

 

Have you checked your fuses? since you don't have the lighter & horn I would check fuse #16 they share the same fuse. also check fuse #6 for the cruise.

If this doesn't work then we can do some testing, but lets do simple 1st.


The power mirror switch & mirrors on these cars have some known issues ( mine did also) the mirror motors can get dead spots and the switch can also go bad. My switch would only move one mirror up or out but not down or in. It turned out to be my mirrors. the switch can also be tested.

I don't have a ton of time right now but we also need to work on each issue.

 

I also have a 91 GT and had no power to the cruise control, horn, or cigarette lighter. To further repeat skunk, turned out to be just a blown fuse.

 

the fuses all look good i checked over those agian last night so ya next step is to start testing leads, thx for the advice itll help

 

In this thread I gave the wiring diagram for the horn ( it also has the headlights) https://themustangsource.com/f634/he...r-code-510833/

start test from the horns back, test the horn soleniod, cig lighter is 12volt work from the fuse panel out. start on those.