Replacing battery cables - JeepForum.com
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post #1 of 19 Old 05-02-2017, 10:04 AM Thread Starter
702kid
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Replacing battery cables

I want to replace the positive and negative cables to my battery on my zj.

I don't really know what I'm doing I just want every cable that touches my battery replaced. I don't know what the ground cable is or if it has anything to do with what I'm trying to do but if it does I'd like to replace that too.

I don't know where the cables lead to or through. I don't know the factory length of my cables or how big of cables to get.
I have no idea what a harness is. All help is appreciated. I'm doing this myself by the way. the cables I currently have are garbage and keep coming out when I offroad. My jeep won't start until I can either get those cables back in or get new ones in there. Help me out guys

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post #2 of 19 Old 05-02-2017, 10:10 AM
wingless
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It would probably work to just terminate that connection properly.

Here are the cables on mine.






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Last edited by wingless; 10-18-2017 at 02:57 AM. Reason: Replaced PB extortion w/ Flickr
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post #3 of 19 Old 05-02-2017, 10:14 AM
GOLDWING
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Search function works. Try"ZJ battery cable replacement". There are at least 10 pages of results.
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post #4 of 19 Old 05-02-2017, 11:17 AM
kg6mov
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https://www.jeepforum.com/forum/f13/n...inals-4013537/

https://www.jeepforum.com/forum/f13/b...ables-3592442/

I'd take the opportunity to redo the wiring. I did this: https://www.jeepforum.com/forum/f13/n...l#post23640777

It's linked at the bottom of that, but you can also buy new cables and terminals from http://custombatterycables.com/appli...kee_cables.htm


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post #5 of 19 Old 05-02-2017, 01:47 PM Thread Starter
702kid
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I like those cables. Only problem is that it says if I have a positive y cable(which I bet I have) I'll have to cut the wire that goes to the alternator, as close to the y as possible and then crimp a #8 terminal onto it? I thought the whole point of getting these are because they're pre crimped. Is that the case for my 97 5.2? Could someone provide insight?

I'll be doing more research about it all tonight. So much to learn... (:

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post #6 of 19 Old 05-02-2017, 02:21 PM
kg6mov
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You do not have a positive y cable.

You have a negative y cable, and yes you have to crimp on a #8 5/16 lug to ground the alt at the engine ground stud.

Read the threads I linked, 96-98 V8's are all identical in battery wiring, learn to google.


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I heard someone yell "mall crawler" from the back porch. I'll go see who said that. Be right back.
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post #7 of 19 Old 05-02-2017, 02:32 PM Thread Starter
702kid
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I meant negative y cable. Apologies

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post #8 of 19 Old 05-02-2017, 03:48 PM Thread Starter
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I'm gonna order them. I kinda overestimated the difficulty of installation, its just a little rerouting.

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post #9 of 19 Old 05-08-2017, 05:35 AM
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Quote:
Originally Posted by kg6mov View Post
It's linked at the bottom of that, but you can also buy new cables and terminals from http://custombatterycables.com/appli...kee_cables.htm
I did mine like that and have been happy with that.

Shopping list:

starter: red 1/0 44" connectors 5/16 & 3/8
PDC: red 4ga 18" connectors 5/16 90' & 3/8
generator: red 4ga 21" connectors 1/4 & 5/16
engine: black 1/0 48" connectors 3/8 & 3/8
body: miinus 4ga 16" connectors 3/8 & 3/8
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post #10 of 19 Old 05-09-2017, 08:32 AM Thread Starter
702kid
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I ended up paying 125 for the military grade set and the set is literally 5 pounds worth of a few cables. They came in yesterday. I'll update this thread and my build thread

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post #11 of 19 Old 05-09-2017, 08:48 AM
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Post images please.


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post #12 of 19 Old 05-09-2017, 03:57 PM
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Some years back I had to replace a cracked clamp on our ZJs neg cable. What I did was crimp on marine style terminals and then bolted marine quality clamps to the terminals. Fixed it all once (pos and neg) and never had another problem with it. Nice thing about doing it this way, is if the clamp ever breaks or corrodes, you just bolt on another to the crimped terminal. I used a big azz crimper I got from West Marine (into boats, got a lot of boating stuff)...

PS I used locking hex nuts to bolt on the terminals to the clamps not wing nuts which can get loose.
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post #13 of 19 Old 05-09-2017, 04:22 PM
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Unless you're talking about nylocks, wing nuts and hex nuts have exactly the same propensity to self loosen.


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post #14 of 19 Old 05-09-2017, 04:43 PM
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I used nylocks they never loosened and they've been on close to 10 years, you could also use a hex nut and a lock washer. That is what I have on the starter terminals on my marine 4.3 and never had a problem with them either.
All the marine inboard starters I've installed over the years, all they have used is a hex nut and a lock washer.
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post #15 of 19 Old 05-17-2017, 07:45 PM Thread Starter
702kid
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So I tried to change the positive cable and I ran into an issue. There are these metal pipes right in the way of where I have to get in there to remove the nut from the bolt . Are there any tools or is there a way I can get in there and twist this off?
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