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  #1  
Old June 27th, 2017, 13:14
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4x4JeePmaNthINg 4x4JeePmaNthINg is offline
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Slight hesitant starting

Starting sounds weak but it fires up with a pause like not enough juice to the starter. Battery shows good voltage, alternator(newish).., shows it's charging.

I'm going to get the cranking amps tested tomorrow. This battery is a rather new interstate battery under a yr old.

What robs cranking amps in the summer I'm baffled?

Last edited by 4x4JeePmaNthINg; June 27th, 2017 at 13:18.
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  #2  
Old June 27th, 2017, 14:14
JeepNoob JeepNoob is offline
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Re: Slight hesitant starting

How do the cables and terminals look? If they're dirty or corroded, baking soda and water works great. Cut the bottom off of a can, put some baking soda in it, and add just enough water to make a paste. Clean the terminals off with an old toothbrush to avoid scratching the terminals. Does the battery fit good? IMO, the batteries for XJ's are a bit on the smallish side which limits the cranking amps, so run the biggest battery you can get away with. What about accessories? A/C compressors can suck up a good chunk of power when they're engaged, so make sure the A/C's off when you're trying to crank it.
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  #3  
Old June 27th, 2017, 20:22
trippled trippled is offline
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Re: Slight hesitant starting

Quote:
Originally Posted by JeepNoob View Post
How do the cables and terminals look? If they're dirty or corroded, baking soda and water works great. Cut the bottom off of a can, put some baking soda in it, and add just enough water to make a paste. Clean the terminals off with an old toothbrush to avoid scratching the terminals. Does the battery fit good? IMO, the batteries for XJ's are a bit on the smallish side which limits the cranking amps, so run the biggest battery you can get away with. What about accessories? A/C compressors can suck up a good chunk of power when they're engaged, so make sure the A/C's off when you're trying to crank it.
He got it dead on. But, that's also what my starter did right before it totally died.
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  #4  
Old June 28th, 2017, 00:59
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4x4JeePmaNthINg 4x4JeePmaNthINg is offline
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Re: Slight hesitant starting

good call, thus far i am going to replace the ground terminal and cables. terminal has a crack and isnt snug, the cable has slight corrosion under the sheathing.

what do you recommend to replace/ rebuild the battery to body to block ground cables, a friend suggested 4 gauge wire. + side has a military terminal already and i think ill follow suit on the - for hooking up winch and lights.

Also what do you mean by does the battery fit good? its an interstate with 650CA

Last edited by 4x4JeePmaNthINg; June 28th, 2017 at 01:03.
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  #5  
Old June 28th, 2017, 01:22
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Johnnie Walker Johnnie Walker is offline
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Re: Slight hesitant starting

If you feel comfortable making your own cables, go for it.
I chose to simplify the solution and give some money to a member and a vendor. I have a set of 0ga g cables from Jon Kelley aka 5-90 on my XJ.
And have a set of cables from current vendor mean lemons. Build quality is great. Worth it for the money, IMO.
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  #6  
Old June 28th, 2017, 08:14
JeepNoob JeepNoob is offline
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Re: Slight hesitant starting

When I replaced my battery cables, I just got the shortest, universal fit, 4-gauge parts store cables I could. Bought them from O'Reilly's (my buddy I went to school with was the night-shift manager at the store closest to me. He used to hook me up with the military discount even though I've been out for years. ) Surprisingly, the ones I got were made in the U.S. The terminal fit was always pretty tight, but no biggie. Hindsight being 20/20, I would've soldered the ring terminals on and covered them with heat shrink tubing. If you wanna get crazy and run bigger cables, I'd say go for it.
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  #7  
Old June 28th, 2017, 13:26
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4x4JeePmaNthINg 4x4JeePmaNthINg is offline
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Re: Slight hesitant starting

I don't see any need to go above 4guage. Can't get a hold of 5-90 0m box full haha. Where else is good to buy these supplies?
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  #8  
Old June 28th, 2017, 13:45
JeepNoob JeepNoob is offline
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Re: Slight hesitant starting

Pretty much any parts store. Buy the cables (make sure both cables have a main and smaller wire, body ground for the ground cable, fuse box feed for the power cable) and some black and red wire of the same gauge size as the small wires if you don't have some already. You'll also need some butt and ring connectors (I like the heat shrink type.) Cut out some sections of small wire long enough to attach them where they need to go (fuse box and inner fender), strip the ends, attach a ring connector to one end and attach the other end to the small wire on the cables, install and done.
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Old June 28th, 2017, 14:23
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smokeyyank smokeyyank is offline
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Re: Slight hesitant starting

Check out mean lemons. He's a vendor on here as well.

http://meanlemons.com/

http://www.naxja.org/forum/showthread.php?t=1137801
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  #10  
Old June 28th, 2017, 15:23
JeepNoob JeepNoob is offline
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Re: Slight hesitant starting

Quote:
Originally Posted by JeepNoob View Post
Pretty much any parts store. Buy the cables (make sure both cables have a main and smaller wire, body ground for the ground cable, fuse box feed for the power cable) and some black and red wire of the same gauge size as the small wires if you don't have some already. You'll also need some butt and ring connectors (I like the heat shrink type.) Cut out some sections of small wire long enough to attach them where they need to go (fuse box and inner fender), strip the ends, attach a ring connector to one end and attach the other end to the small wire on the cables, install and done.
Edit: What I meant by the battery fitting good is it should completely fill up the battety tray and you shouldn't have to snug up the battety hold down too much. When I first got my XJ, it had the wrong size battery in it. It worked, but was just the wrong size. The right size NAPA Premium Gold battery I got for it only put out something like 725 cranking amps (and even fewer cold cranking amps) which I think is a bit on the petite side, especially if you're running lights, a winch, an audio system, electric fans, ya know, all the fun add-on toys.
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  #11  
Old June 29th, 2017, 06:26
spiydr spiydr is offline
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Re: Slight hesitant starting

My starter was doing the same thing a few months back. Then one day it wouldn't turn over at all. Had to hit the starter with a hammer to get it going again. Probably just time to throw a new starter in and be done with it.
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  #12  
Old June 29th, 2017, 11:52
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4x4JeePmaNthINg 4x4JeePmaNthINg is offline
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Re: Slight hesitant starting

[QUOTE=JeepNoob;246501241]Pretty much any parts store. Buy the cables (make sure both cables have a main and smaller wire, <--- Huh?

body ground for the ground cable, fuse box feed for the power cable) and some black and red wire of the same gauge size as the small wires if you don't have some already.

what smaller wire on both, i dont understand
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  #13  
Old June 29th, 2017, 22:43
JeepNoob JeepNoob is offline
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Re: Slight hesitant starting

This picture shows it pretty well-



See how both terminals have TWO wires? That's the kind of cables you need. The large wire on the red/positive cable attaches to the starter, the large wire on the black/ground wire attaches to an engine block ground. However, you'll need to attach a ring connector and almost certainly a short length of wire to the SMALLER GUAGE WIRE on BOTH terminals. The SMALLER red/positive wire attaches to a stud on the front of the engine bay fuse box (it normally has a plastic cover over it) and the SMALLER black/ground wire is held in place on the passenger side inner fender with a small bolt.
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  #14  
Old June 30th, 2017, 00:03
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Re: Slight hesitant starting

oh haha i thought you were suggesting needing two different gauges of wire. smaller wire= the shorter wires, gotcha!
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  #15  
Old June 30th, 2017, 10:13
JeepNoob JeepNoob is offline
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Re: Slight hesitant starting

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Originally Posted by 4x4JeePmaNthINg View Post
oh haha i thought you were suggesting needing two different gauges of wire. smaller wire= the shorter wires, gotcha!
Kind of. The big, long, main wires on the cables you can get at most parts stores are 4 gauge. You won't need to mess around with these. Just make sure these wires on the new cables are long enough and attach them where they need to go.

But the shorter wires that attach to the terminals are smaller gauge (probably like 10 or 12 gauge.) These short, smaller gauge wires will probably need another section of wire attached to them with a butt connector to get them where they need to go (The fusebox and the fender.) If you don't already have some extra wire to do this, you can buy some at the parts store while you're getting new cables. The cables I ran already had a cheap butt connector crimped onto these wires on the new cables. Those worked fine, but if you wanted to, you could remove those butt connectors and install a heat shrink type to prevent water intrusion. I had to use short sections from my smaller gauge bulk wire that I could attach to the butt connector on the new cables to have wires long enough to get to the fender and fusebox stud. I think I just stripped the insulation off one end of the bulk wire, crimped it into the butt connector on the new cables, and then with the wire still on the roll, ran it out to the areas it needed to attach to, cut it, stripped it again, and installed my ring connectors (I like the kind with the heat-shrink plastic.) If you need ring connectors, you can buy them at the parts store too. Just make sure the ring can fit around the bolt/stud and the crimp connector on the other end is the right size for the smaller gauge wires.
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