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See I thought it was cause a Ext Idle switch is just not an on/off switch.
Like I assume a fog light switch is. Or the toggle switch you are using.
Which is why they use the relay.
I don't understand why that write up goes through all that trouble with the relay then.

So if I understand you correctly you the toggle switch you used has 2 terminals?
You wired the gray A12 to one and grounded somewhere from the other?
So when you throw the switch the circuit is completed?
And it just still raises the idle in park and neutral?
One thing I thought about for wheeling is if you could set it up to operate in gear too.
For instance sometimes in my old CJ2A I used to turn up the idle a little.
If I was by myself and had to creep over some rocks and whatnot I could literally get out,
walk along side of it and steer over things.

And on a side note. Did you replace your front diff breather hose?
If not I never realized there was enough slack in it to pull it that far to above the brake booster.
 

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So if I am understanding you correctly you could still use a fog light switch without the relay?
Here is the wiring for the switch. So what would hook up where?
And I understand that the little green light, blue wire 12 volt run source, would not light.
At least I think that is what you are saying.
 

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Think you are misunderstanding my question.
I only show that diagram so you would know what the wires on a fog light switch are for.
Forget the rest of the diagram. That is for wiring like aftermarket using an factory switch.
Can you use a fog light switch without a relay and wire like you did with the toggle switch?
If so what wire off the switch goes where?
 

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So terminal #2 is ground and terminal #3 is to the A12 wire.
Alright now I got it.

I don't care anymore about being able to up the idle while in gear, stopped thrashing around out there a long time ago, but thinking some guys might.
I know adjusting the idle on a carb did when I was.
 

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And you could mostly likely have the symbol illuminate when you turn on the headlights cause you are not using terminals #1 and #4.

See this is what I discovered when I put fog lights in my '00 that did not come with them.
In a 2 slot bezel the fog light connector is behind the blank in what would be the third slot. And terminals #1 and #4 are hooked up even though the Jeep did not come with fog lights.
I know this cause when I plugged a fog light switch into that connector and turned on the headlights the symbol illuminated. So I asssumed the ground, #4, was hooked up otherwise that would not have happened.
Thing is #2 and #3 are not. While they are wired to a point they only go so far.
If you look in the PDC of a Jeep without fogs you will see the relays and fuse for the fog lights are not in there.
Not only that put the terminals the relays and fuse would plug into are not even there in the PDC.
Not to mention the connectors in the headlight harness for the fog lights.
 

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I have all those same schematics too.
There is no way that I could figure any of this out.
All what you have been doing is above my head.
But you have made much progress in figuring out if this is even possible.
Again I am just guessing here but thinking a lot of guys might be interested in this.
You run across guys wanting to install a hand throttle and one time I think I read a guy
wanted his cruise to work under 35, 45, whatever the lowest MPH is that you can actually use that is.
 

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Ha Ha. C'mon Ralph you are the guy that figured out how to make it work and look stock.
No I am not. I researched the hell out of it and followed other people's leads.
I steal ideas I don't come up with them. LOL.
Said it before and will say it again. Haven't had an original idea since 1986.
Except maybe modding a rear factory tow hook that Jeep only made for the driver's side on an XJ
and putting it on the passenger side. And even then I may have come up with the idea but my
buddy did the cutting and welding. MLOL.
 

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Sorry for resurrecting an old post, but I knew that after three days of searching, I'd find it the moment I posted the question.

Page 8W 30-17

cdn.xjjeeps dot com/pdf/en-us/2000-service-manual.pdf
Now I totally misunderstood you.
I thought you wanted to see what the "circuit board" looked like in the switch,
So all you did want is a wiring diagram.
Unless I am misunderstanding you now.
What each wire in a Ext Idle pigtail does is well documented on the internet.
 

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You are correct. Ultimately, I do want to get my hands on a real switch to see the circuit board. I was able to confirm some things with that page in the FSM, but I'd still like to see what the circuit board looks like to remove all doubt, hopefully without paying $300-$350 for one of the three currently available on eBay.
I will show you one but only if you tell me how jealous you are of my Ext Idle switch. LOL
 

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This item number on eBay says qty of 2 available in the same post:

ebay dot com/itm/402812768975

Haven't posted enough to earn the right to use the url tags...

And still jealous by the way.....
As you should be. LOL.
I must have missed those.
Spend a lot of time stalking Ebay, Craigslist, etc.
Just ask anybody here. MLOL.
 

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Insanely jealous. Because you have a factory switch AND bezel....and I don't. :). But I'm not $299 jealous.

Yet....
Well I am going to let you in on a little secret.
But you can't tell anybody. LOL.
While that is a Mopar 4 slot bezel it is not an American one.
See XJ's in the UK and over there in Europe have rear fog lights.
Like it is a law or something over there.
Well when they have fog lights and rear fog lights in an XJ guess how many switches are in the bezel?
You guessed it.
4.
So I sourced a 4 slot bezel from over there. Came with the all the switches.
Now it is not a perfect solution. The fog light switch goes in the slot third from the left.
The rear fog light switch is in the 4th position.
See switches have these keyways on the side of them that correspond to slots in the bezel.
Keeps them from putting a switch in the wrong position.
So both the Ext Idle switch and the fog light switch wanted to go in the 3rd position.
Not wanting to mess with the Ext Idle switch I ground the keyway off the fog light switch.
Also so you know a fog light pigtail can be used with an Ext Idle switch.
You just need to grind off the keyway on the pigtail and instead of hooking it up by wire color you use wire position.
I also had an idea for the rear fog light switch that came with the bezel.
See I put an overhead console in my '00 that did not come with one.
This guy 3D prints this 4 slot bezel that goes in the garage door opener area.
Uses factory switches.
So I want to put some lights up front, some in the rear, and maybe some more down the road.
So I thought using a rear fog light switch for the rear lights would be cool.
Notice how the symbol is reversed.
But a rear fog light switch acts different then a fog light switch. It is not just an on/off but kinda spring loaded like a rear wiper switch.
So I used the toggle part only and the rest is a regular fog light switch.
Now this project is not done. Still need to wire up an aux fuse box and find a central location for my relays.
I did buy the lights I am using up front but not the rear ones yet.
Only mocked things up and did some prep work so far.
 

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PM me with the source of your 3d printed overhead bezel, that's nice, I've ben considering adding that for the additional lighting I have planned for the XJ.
There was this guy on another forum I am on who made them and you could buy them through shapeways.com.
He has not been active for quite sometime over there but his stuff can still be bought.
I think he might have been the first to come up with 3D printed bezels for XJ's.
You see them everywhere now but I don't really remember seeing any before he started talking about them on the forum.
Here is all his work:

https://www.shapeways.com/shops/gctent

And here is that bezel I bought.

https://www.shapeways.com/product/L...-garage-door-panel?optionId=63515302&li=shops

Not cheap but I really wanted it cause it kinda looked factory and it goes in the garage door opener section of the overhead which is useless to me.
I think he might make this same bezel that will take those contura switches too.
 
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