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  #31  
Old March 18th, 2006, 10:36
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Re: Extended Idle 97-01 Install

Quote:
Originally Posted by jeepinarkansas
Why would one want this option?
For running lots of lighting and even a winch when setting still.
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  #32  
Old March 18th, 2006, 10:47
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Re: Extended Idle 97-01 Install

I would be carfull with that switch if you have small kids or something.
If your stopped at a light and someone flips that switch your going to rear end someone.
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  #33  
Old March 18th, 2006, 11:14
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Re: Extended Idle 97-01 Install

huh? what switch?

those images are qouted from another thread/another poster.

but from what it looks like, pcm 12 on the 1996 xj is the same as 97-01 save for the color of the wire.

i still can't figure out this damned code 23 with the CEL. I even cleared the engines computer of the code and it keeps coming back. im getting really frustrated now with just trying to get the code to go away.... for now im gonna save doing the switch untill I can get the CEL to go off. It seems to have a higher idle now... starts and goes to 1400ish and slowly backs down to 900 rpm.
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  #34  
Old March 18th, 2006, 11:20
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Re: Extended Idle 97-01 Install

ooops, double post... crap.

Last edited by CommandoXJ96; March 18th, 2006 at 11:23. Reason: double posted.
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  #35  
Old March 18th, 2006, 21:57
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Re: Extended Idle 97-01 Install

Quote:
Originally Posted by CommandoXJ96
well... from looks of this post it should be the same except for the dashboard pieces. should be the blue-orange wire in pcm 12 for my 96, and again "should" serve the same purpose.
Keep in mind the picture and diagram of that post are for the 97+ XJ's only.
Quote:
Originally Posted by langer1
I would be carfull with that switch if you have small kids or something.
If your stopped at a light and someone flips that switch your going to rear end someone.
The ext idle circuit will not activate unless the auto trans is in neutral or park.
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  #36  
Old March 19th, 2006, 19:04
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Re: Extended Idle 97-01 Install

Quote:
Originally Posted by JEEPZZ
Keep in mind the picture and diagram of that post are for the 97+ XJ's only.
well, the info posted in that says: For 96 XJs right above 97-01... and says the same thing, but the wire should be orange-blue. i know the rest of this is only 97-01, but 96 has the same PCM lay-out as the 97-01 except the wire colors. The 95 and earliers have completely different wireing... 96 is just differeing on colors of wires.
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  #37  
Old March 19th, 2006, 21:06
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Re: Extended Idle 97-01 Install

Quote:
Originally Posted by CommandoXJ96
well, the info posted in that says: For 96 XJs right above 97-01... and says the same thing, but the wire should be orange-blue. i know the rest of this is only 97-01, but 96 has the same PCM lay-out as the 97-01 except the wire colors. The 95 and earliers have completely different wireing... 96 is just differeing on colors of wires.
You will use the same ext idle switch as all pre97 XJ's so your wiring should still be different than the 97+ (at least at the switch).

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  #38  
Old March 20th, 2006, 05:16
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Re: Extended Idle 97-01 Install

yeah, its not the switch im haveing trouble wireing... I've done fan switches and fog lights/roof lights before, no problem. My problem is simply getting the PCM#12 wire to do anything when 12+ volts are added, and aside from the wires color, the wire in pcm12 should serve the same purpose on the 96 as it does in 97-01. The wireing (for the pcm harness and stuff) is functionally the same on the 96 in the PCM as the later models. Thats what im haveing real trouble figureing out. I have left the switch out of the equation at the moment and have simply been attaching the wire to an outlet in the under-dash fuse box. Never any RPM boost in Nuetral/Park when i have it 'on' though.
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  #39  
Old March 20th, 2006, 08:25
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Re: Extended Idle 97-01 Install

Quote:
Originally Posted by CommandoXJ96
yeah, its not the switch im haveing trouble wireing... I've done fan switches and fog lights/roof lights before, no problem. My problem is simply getting the PCM#12 wire to do anything when 12+ volts are added, and aside from the wires color, the wire in pcm12 should serve the same purpose on the 96 as it does in 97-01. The wireing (for the pcm harness and stuff) is functionally the same on the 96 in the PCM as the later models. Thats what im haveing real trouble figureing out. I have left the switch out of the equation at the moment and have simply been attaching the wire to an outlet in the under-dash fuse box. Never any RPM boost in Nuetral/Park when i have it 'on' though.
There was mid-year changes in 96 some were the same as 91-95 and latter production runs were the same as 97-99
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  #40  
Old March 20th, 2006, 14:14
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Re: Extended Idle 97-01 Install

Quote:
Originally Posted by CommandoXJ96
My problem is simply getting the PCM#12 wire to do anything when 12+ volts are added, and aside from the wires color, the wire in pcm12 should serve the same purpose on the 96 as it does in 97-01.
On my 97, I can get the high idle circuit by grounding pin #12, NOT 12v+.
If yours is the same as 97+, try a direct ground of pin #12 to activate high idle. Also just to clarify, you do have a 4.0L and auto trans correct?
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  #41  
Old March 20th, 2006, 14:28
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Re: Extended Idle 97-01 Install

yes, it is 4.0/AW4 setup. Its a January 96...

For 1993-1995 I6 XJs:
PCM Pin # 10, Purple, [60-pin connector] (Switch On: 1V, Off:12V)

For 1996 I6 XJs:
PCM Pin # 12, dark blue/orange, [Black "A" 32-pin connector] (Switch On: 1V, Off:12V)

For 1997-2000 I6 XJs:
PCM Pin # 12, gray, [Black "A" 32-pin connector] (Switch On: 1V, Off:12V)

It has the Black 32 pin connector, not a 60 pin connector though, so I would assume it follows the later year models....
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  #42  
Old March 20th, 2006, 14:51
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Re: Extended Idle 97-01 Install

Quote:
Originally Posted by CommandoXJ96

It has the Black 32 pin connector, not a 60 pin connector though, so I would assume it follows the later year models....
Yep, try grounding it.
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  #43  
Old March 20th, 2006, 15:42
mjydrafter mjydrafter is offline
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Re: Extended Idle 97-01 Install

I have a '92 4.0l aw4. I have the Ext Idle switch/bezel & wiring connector out of a '96. I had no wire on pin 10, but I was able to add one to the harness pretty easily. All of the wiring diagrams I have looked at list pin 10 as the power steering switch or ext idle circuit. All one should have do is ground this to pin 11 or 12 and it should work, right? Another question I have, is the power to the switch just for the indicator light on the switch? The wire connector has 4 wires 2 of wich are black and connected to the same terminal. I assume they are connected; a black one to pin 11 or 12 and another black one to a body ground, one 10 amp fused power for the indicator light, and one is the connection to pin 10. I think this is correct, but I don't want to fry my ecm.
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  #44  
Old March 20th, 2006, 15:45
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Re: Extended Idle 97-01 Install

I grounded PCM#12 before I hooked up the switch and it raise the idle to 1000rpms. It should work like JEEPZZ said.
Alex
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  #45  
Old March 20th, 2006, 16:20
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Re: Extended Idle 97-01 Install

This may help.
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