Mystery Cable -

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post #1 of 4 Old 09-03-2015, 01:44 PM Thread Starter
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1999 WJ 
Join Date: Sep 2015
Location: Pleasanton
Posts: 3
Wj Mystery Cable

Hi guys.

I'm a new jeep owner, and new to this forum as well. I purchased a used 1999 Grand Cherokee Laredo about a week ago, and have been cleaning it up and performing maintenance. Yesterday, I found this cable loose in the engine bay, behind the alternator. I have no clue what it is, or where it's supposed to go. Any help, or suggestions would be much appreciated! I apologize if this was something that could be solved with the forum search, I just wasn't sure what exactly to search for. Thanks again.

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post #2 of 4 Old 09-03-2015, 01:46 PM
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2004 WJ 
Join Date: Jan 2011
Location: Springfield
Posts: 8,626
Welcome to the forum!

That is a crankshaft position sensor. I'm assuming your WJ runs which leads me to also assume someone replaced your CKS but left the old one dangling in the engine bay.

Have a look at this thread for more pictures and information: 2004 4.0 Crankshaft Position Sensor Replacement

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post #3 of 4 Old 09-03-2015, 01:57 PM Thread Starter
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1999 WJ 
Join Date: Sep 2015
Location: Pleasanton
Posts: 3
Well that is definitely not the answer I was expecting. But yes, the jeep runs fine, so it looks like someone replaced it, and left the old one. The P.O.'s maintenance records were kind of spotty, but I'll go back and see if there is any mention of it being done.

thanks you so much!
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post #4 of 4 Old 09-03-2015, 07:07 PM Thread Starter
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1999 WJ 
Join Date: Sep 2015
Location: Pleasanton
Posts: 3
Wow, so I just got home, and checked the maintenance records. Turns out the CPS was replaced 60k miles ago, and this bad boy has been riding loose in the engine bay the whole time. Not sure how it made it through dozens of maintenance inspections from multiple shops. Crazy
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