Namely, I changed out my auxiliary gauge wiring harness.
I have tried to remove them before at local yards but always gave up in frustration. This time I really examined everything carefully (the harness connector ends , the hole it goes through , etc..) Casual examination
shows the " hole" (upper left of the console skeleton) as rectangular, which it is but if you look closely with a flashlight it is actually "rounded- out" toward the back area of the hole. This is all important to know as the proper way to thread the new harness in is to thread the square connector down into the hole first, from the top. Also, when you do this you must thread/angle it downward almost horizontally and NOT vertically. It needs to be threaded toward the very back portion of the hole or it's not gonna go through. Lastly, I don't think it would be possible to weave/thread it upward the opposite way since the other connector (the thin rectangular one that plugs in to the bottom of the aux gauge pkg ) cannot get through the same hole.

I apologize if this is boring but I don't know how else to explain this procedure. But I can tell you this method works!
Kit

Nobody here has replaced this wiring harness ?
Kit

I haven't, yet, but will be doing so in the coming weeks. Did you happen to take any photos?

No...
Read my instructions above carefully and you should be able to figure it out.
By the way, the reason I even changed out the harness is because I had a serious wiring issue with my gauges. The gauges would work ok until the parking lights/ headlights were turned on. Then, the needles would peg at zero and stay there. After a year of this the gauges stopped working altogether. Since the wires that go into the connector at the gauge end looked kinda mangled, I decided to put in a fresh wiring harness and another aux gauge from a donor 86 GT. Everything is all put back together and works as it should now.
Kit

quote Originally posted by Kitskaboodle: Nobody here has replaced this wiring harness ? Kit

Yes.
Many of us have replaced, modified and totally rewired the Aux. Gage Panel harness.
Tapping into the main IP cluster feed for the temp gage and re-routing it over and incorporating it into the Aux Gage panel is only one of the "hurdles".

------------------

quote Originally posted by randye: Aux Gage panel

Ah man, that is just beautiful.

I just repaired by wiring harness today. There was a bad ground in the square connector. Your advice came in very handy. Thanks!

Good...
Glad it helped someone!
Kit