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  #16  
Old January 28th, 2018, 08:06
RCP Phx RCP Phx is offline
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Re: 2000 engine compartment wiring harness

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Originally Posted by Heavyopp View Post
Ok looks like I found it -- just checked the wiring diagrams on Pro Demand -- Both cali and non cali versions are represented
Federal emissions upstream connector should have the following 4 wire colors:
Dark Green, Black, Brown/Yellow, Black/Dark Green
The downstream connector should have:
Violet/Orange, Black, Brown/Yellow, Tan/White
Pay close attention, The 2 cali connectors share most of the same color scheme -- Just a solid Tan instead of Tan/White for the 2nd downstream and Light green/red instead of black/ Dark Green for the 2nd upstream
Your colors are correct. Between Haynes, J-Tec, and Mopar I have the diagrams, the wire colors, the wire size, and the ECU pin-outs! I still plan on making a completely new "flameproof" harness but sourcing the parts isn't easy. I finally located the ECU 32-pin connectors/pigtails and bought 6 of them(Mopar), the pin terminals used are AMP SS 1.0.
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  #17  
Old January 28th, 2018, 10:19
RCP Phx RCP Phx is offline
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Re: 2000 engine compartment wiring harness

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Originally Posted by Green Mesa XJ View Post
Id think I would be rusted out.
I forgot to add, this one is just like mine, a AZ XJ with not a speck of rust!
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  #18  
Old January 28th, 2018, 11:52
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Green Mesa XJ Green Mesa XJ is offline
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2000 engine compartment wiring harness

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Originally Posted by RCP Phx View Post
I forgot to add, this one is just like mine, a AZ XJ with not a speck of rust!


Sweet! The damage it has is minor, Id definitely put it back on the road. Hopefully you can paint color match some parts for it.


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  #19  
Old February 6th, 2018, 10:19
RCP Phx RCP Phx is offline
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Re: 2000 engine compartment wiring harness

Well things are not going good, my header panel is on backorder(6 wks) and I have most of the new XJ torn apart. I have to have something together in 5 weeks for towing my trailer to my week at Nascar. So I will have to attempt the wiring harness on my old 2000 this weekend without a spare vehicle!
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  #20  
Old February 6th, 2018, 10:25
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Green Mesa XJ Green Mesa XJ is offline
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2000 engine compartment wiring harness

Ouch. Guess if worse comes to worse, strip the engine harness out of the new part vehicle or borrow the parts from the good body XJ to get the new parts XJ on the road.


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  #21  
Old February 7th, 2018, 11:16
RCP Phx RCP Phx is offline
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Re: 2000 engine compartment wiring harness

That hasn't been ruled out but would mean more than 2x the work. That will be decided when I get mine out. Being Monoplegic electrical connectors I can't do!
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  #22  
Old February 11th, 2018, 10:36
RCP Phx RCP Phx is offline
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Re: 2000 engine compartment wiring harness

Well now I'm confused! The harness only has 3 O2 sensor plugs? I gor my harness out and compared it to the "Cali" one and the rear after-cat one is missing?
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  #23  
Old February 11th, 2018, 12:19
Ralph77 Ralph77 is online now
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Re: 2000 engine compartment wiring harness

Been watching this thread so I am curious as to what the outcome will be. You own a Federal Emissions '00? You bought a CA Emissions Harness? Which one has 3 O2 sensor connectors?
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  #24  
Old February 11th, 2018, 15:24
RCP Phx RCP Phx is offline
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Re: 2000 engine compartment wiring harness

Well it's all done now! I had to strip the harness out of my spare "Fed" jeep and put into my old 2000(the repair we made on my harness may have worked).

It didn't work, I lost my #6 inj driver within the ECU when my harness shorted out. We swapped in the ECU out of the spare 2000(Fed) and boom all is good! All I have to now is fix the spare 2000!
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  #25  
Old February 12th, 2018, 19:16
Heavyopp Heavyopp is offline
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Re: 2000 engine compartment wiring harness

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Originally Posted by RCP Phx View Post
Well now I'm confused! The harness only has 3 O2 sensor plugs? I gor my harness out and compared it to the "Cali" one and the rear after-cat one is missing?
There is no o2 sensor after the rear " big" cat

The 4th connector should be down by the transmission on that harness
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  #26  
Old February 12th, 2018, 23:29
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Re: 2000 engine compartment wiring harness

Quote:
Originally Posted by RCP Phx View Post
Well now I'm confused! The harness only has 3 O2 sensor plugs? I gor my harness out and compared it to the "Cali" one and the rear after-cat one is missing?
If it's a Cal-emission, it should have the fourth O2 sensor, it's wire's head upward about 12" where it joins the CPS's wires.
It should look like this.
https://www.flickr.com/photos/lwade/...7668069952879/
https://www.flickr.com/photos/lwade/...7668069952879/
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  #27  
Old February 13th, 2018, 07:30
RCP Phx RCP Phx is offline
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Re: 2000 engine compartment wiring harness

"Live and Learn", when I received my Ebay harness and realized it was a "Cali" harness I knew I might have some problems.

Right now I'm waiting on a new ECU(with my VIN) to come in so I can put the spare ECU back. Then when we get back from Nascar I'll look into "grafting" my old harness together with the Cali to come up with one harness to fix the new Jeep.

I received my new spray gun and my Dirtbound DIY bumpers but I'm still waiting on the grille header kit and fenders. The spray gun works excellent and I got matching paint ready to go.
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  #28  
Old February 20th, 2018, 19:18
RCP Phx RCP Phx is offline
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Re: 2000 engine compartment wiring harness

I got my new ECU yesterday and installed it today, works fine! What I didn't notice on the temp installation last week was that I took out a ***634AF and installed my other ***634AE, I don't know what the difference is but it worked fine.

I re-ordered my header kit yesterday, instead of a kit I had to order all individual pieces but it will be here tomorrow instead of 6 more weeks(go figure)!
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  #29  
Old February 20th, 2018, 19:21
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Green Mesa XJ Green Mesa XJ is offline
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2000 engine compartment wiring harness

Should be the same computer just the one you took out was a later production.

The later PCM can be flashed to update not sure on the 2000-1 PCM.


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