Ground Wire locations for WJ's - JeepForum.com
 
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post #1 of 11 Old 09-19-2017, 03:15 AM Thread Starter
GhostJeepWJ
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Question Ground Wire locations for WJ's

While doing work on her this weekend, I found a ground wire that is unattached underneath. It's located back by the transmission and I believe it attaches to the bolt holding bracket for the exhaust. Noticed while removing the transfer skid plate. There is another one underneath near the rear of the engine if memory serves me correctly that is also just"hanging" out. So after finding this one over the weekend, I want to go over all my ground wires and clean/replacee/attach them all. I know there is one connected to the firewall. But where are the others and how are they attached?....
Thanks in advance for dropping some knowledge on me!....lol


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post #2 of 11 Old 09-19-2017, 04:28 PM
RoysJeep
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I was gonna mention the one on the firewall, but you already mentioned it lol

I'm surprised wjjeeps doesn't have any info on this

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post #3 of 11 Old 09-19-2017, 06:41 PM Thread Starter
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Yea I looked and didn't seen anything on there.

I think that one I saw that was broken runs from a mounting bolt for the crossmember to a bolt holding the exhaust hanger. Just several inches away.

Quote:
Originally Posted by RoysJeep View Post
I was gonna mention the one on the firewall, but you already mentioned it lol

I'm surprised wjjeeps doesn't have any info on this

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post #4 of 11 Old 09-19-2017, 07:35 PM Thread Starter
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After @WiLieR dropped some knowledge on me....(thanks btw bud)
There looks to be 3....
One that wired with the radio antenna
two - pass side of the engine from the firewall to stud (differs between 4.0 has a single strap and 4.7 has a "Y" strap)
three - from the body (exhaust hanger mount) to transmission or transfer case

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post #5 of 11 Old 09-24-2017, 09:49 AM
gtg413i
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Do you have more details of the radio antennae ground location?

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post #6 of 11 Old 09-24-2017, 01:19 PM
99SK04GTX
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This thread has some pretty good info on grounds: http://www.jeepforum.com/forum/f310/...ation-4133977/
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post #7 of 11 Old 09-24-2017, 05:01 PM
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Yup. I didn't see the antennae ground location in the thread though. I'm chasing engine noise coming through the radio.

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post #8 of 11 Old 09-26-2017, 05:14 AM
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Quote:
Originally Posted by gtg413i View Post
Yup. I didn't see the antennae ground location in the thread though. I'm chasing engine noise coming through the radio.
I believe I have read that the ground that attaches to the exhaust system clamp is the source of radio noise when it is broken or making poor contact.
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post #9 of 11 Old 09-26-2017, 10:35 AM
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^ That's correct. Search on some old posts on that. It's been discussed before. Why they put such garbage braided wiring in there only to crumble is beyond me.

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post #10 of 11 Old 09-26-2017, 03:40 PM
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I've replaced that one with some solid wire and a new braid and tried to clean up the rust. I'll give it another shot, but I think my interference noise is from the engine, since I had a rebuilt one put in, who knows what electronics systems could be the culprit.

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post #11 of 11 Old 09-26-2017, 07:35 PM
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Quote:
Originally Posted by gtg413i View Post
I've replaced that one with some solid wire and a new braid and tried to clean up the rust. I'll give it another shot, but I think my interference noise is from the engine, since I had a rebuilt one put in, who knows what electronics systems could be the culprit.
This article may help you track it down.

http://www.popularmechanics.com/cars...o/a84/1272491/
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