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Old November 3rd, 2019, 12:41
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Jeepmedic46 Jeepmedic46 is offline
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Jeep is a wiring nightmare.

My 2000 Cherokee sport has decided it wants to be a wiring nightmare. Door locks now run the rear windshield wiper. Doesnít do the locks. Other buttons not working or are turning other things on.
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Old November 3rd, 2019, 15:03
Ralph77 Ralph77 is offline
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Re: Jeep is a wiring nightmare.

First thing you need to do is check all the grounds.
Don't just look at them. Take them apart and clean them up.

https://www.cherokeeforum.com/f2/gre...e-6558/index4/

Start and Post #49.
Ignore the coil. You still have grounds there.
Might help. Definitely will not hurt.
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Old November 3rd, 2019, 16:47
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Re: Jeep is a wiring nightmare.

Thank you for that link. Iíll clean up my grounds.
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Old November 3rd, 2019, 16:49
Heavyopp Heavyopp is online now
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Re: Jeep is a wiring nightmare.

Quote:
Originally Posted by Jeepmedic46 View Post
My 2000 Cherokee sport has decided it wants to be a wiring nightmare. Door locks now run the rear windshield wiper. Doesnít do the locks. Other buttons not working or are turning other things on.
I hope this isnít the Jeep you where talking about in your other thread
At least I hope you didnít pay what they where asking...

Definitely have to start at the grounds but from there check the driver side door ó pull off the drivers kick panel and check all the wires where they enter the rubber boot between door and door frame

Most likely youíll find wires in need of repair
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Old November 3rd, 2019, 17:06
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Re: Jeep is a wiring nightmare.

Failure of the drivers door and the tailgate wire harness is very common. Since the door lock are always 12 volts positive hot, any short circuits to ground, or to other wire circuits can most certainly cause odd behaviors. As already suggested, start with a physical and visual inspection of the driver door and tailgate wires inside the rubber boot at the hinges.


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Old November 3rd, 2019, 21:56
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Re: Jeep is a wiring nightmare.

Fortunately I didn’t pay the asking price. They had said there were issues with directional after the engine swap. The cigarette lighter just pops out and the lights on the switches next to it come on. Wasn’t able to do much with the Jeep today. Will look at it in more depth tomorrow. Could the wiring get messed up after the engine swap? I expected issues on a 20 yr old vehicle. Electrical isn’t my strong suite.
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Old November 3rd, 2019, 22:24
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Re: Jeep is a wiring nightmare.

First thing, buy a copy of the 2000 XJ Factory Service Manual, the real thing.
Section 8W has the schematics for your year and, maybe more importantly, it shows the locations of plugs, splices and grounds. It's invaluable when tracking down electrical problems.
Both of my XJ have had ground problems, it isn't uncommon, Chrysler didn't spend much on corrosion proofing.
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Old November 4th, 2019, 02:00
Ralph77 Ralph77 is offline
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Re: Jeep is a wiring nightmare.

Sent you a PM.
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Old November 4th, 2019, 07:58
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Re: Jeep is a wiring nightmare.

Quote:
Originally Posted by Ralph77 View Post
First thing you need to do is check all the grounds.
Don't just look at them. Take them apart and clean them up.

https://www.cherokeeforum.com/f2/gre...e-6558/index4/

Start and Post #49.
Ignore the coil. You still have grounds there.
Might help. Definitely will not hurt.
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