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Unread 03-06-2013, 05:28 PM   #1
DeejayZeejay
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1994 ZJ 
 
Join Date: Mar 2012
Location: Macomb, Michigan
Posts: 325
Anybody run into this problem?

98 Jeep zj with a 4.0. This Jeep has been to hell and back. Lots of miles and issues.... Trying to keep it going for a little longer. I replaced bcm because of faulty original with internal short. Fixed the drain. Rebuilt alternator, starter and new battery. Cleaned every connection as well. Now only starts with a jump start. Starts right up and will drive fine. Park it and try to start it again and nothing. No power anywhere. Battery is fine. My next fix will be the battery cables and clamps. Any thoughts?

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Unread 03-06-2013, 06:16 PM   #2
MtnboyBamm
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1993 ZJ 
 
Join Date: May 2012
Location: In between Bakersfield and Valencia Ca in a small town called Frazier Park, ca
Posts: 86
I was having a similar problem too. Cleaned the battery terminals and bought new clamps for it. Not a single problem since. GC's are touchy when it comes to battery issues...
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Unread 03-06-2013, 07:00 PM   #3
jnicewan
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1995 ZJ 
 
Join Date: Dec 2010
Location: Norman, OK
Posts: 2,006
Where are you hooking the cables for the jump? This might tell you where the problem could be. A good battery, good terminals (clean and tight ) and good cables should not need a jump.
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Unread 03-06-2013, 08:19 PM   #4
DeejayZeejay
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1994 ZJ 
 
Join Date: Mar 2012
Location: Macomb, Michigan
Posts: 325
I hook the cables straight to the post on both. I think the battery cables are original and I can see green corrosion where it goes into the wire shield. Its just weird that nothing comes on when I turn the key. No lights, gauges, nothing....
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Unread 03-07-2013, 03:37 AM   #5
KoreaZJ
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1994 ZJ 
 
Join Date: Aug 2011
Location: GANGNAM STYLE
Posts: 2,666
Quote:
Originally Posted by DeejayZeejay View Post
I hook the cables straight to the post on both.
Last cable connected (NEG) always goes to bare metal on the disabled vehicle, NOT the battery. Engine or frame connection away from battery.

Creating sparks near the battery can ignite/explode a battery.

I've seen it close up. Don't risk it.
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Unread 03-07-2013, 06:35 AM   #6
PeteNnewburg
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1995 ZJ 
 
Join Date: Jan 2013
Location: Newburg, PA
Posts: 368
I had the same problem when I got my ZJ. It had a new alt and battery. After noticing the hammer marks on the starter, I replaced it. Still would not start without jumping. Voltage guage was all over the place. While cleaning the battery terminals again, I noticed the body ground was rusty and neg cable corroded (green). I replaced both cables cleaned the grounds and added a extra ground from firewall to the engine/ starter bolt.
Every thing now works great! Starts instantly, no more misses at idle. My non-working windows and door locks now work and gauge holds steady at 14 volts.
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1995 ZJ DD, http://www.jeepforum.com/forum/f22/95-zj-dd-1470403/
2000 Cherokee, http://www.jeepforum.com/forum/f22/plain-jane-00-xj-slower-build-1555543/
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Unread 03-07-2013, 06:48 AM   #7
DeejayZeejay
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1994 ZJ 
 
Join Date: Mar 2012
Location: Macomb, Michigan
Posts: 325
So you replaced both battery cables and added a ground to the starter?
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Unread 03-07-2013, 07:04 AM   #8
PeteNnewburg
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1995 ZJ 
 
Join Date: Jan 2013
Location: Newburg, PA
Posts: 368
Yes. The cables on a ZJ split off in a few different directions! If possible buy OE cables! These things are really finicky about the electronics. I had to splice and solder the Negative cable. It comes off the battery terminal in two wires, one to the body, the other goes down to the block, but also splits off to the alternator with a special connector.
There is one on Ebay, looks like crap, but you can see how the cables run. # 261178514480

I added the extra body ground out of habit, I've owned a lot of Fords!
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1995 ZJ DD, http://www.jeepforum.com/forum/f22/95-zj-dd-1470403/
2000 Cherokee, http://www.jeepforum.com/forum/f22/plain-jane-00-xj-slower-build-1555543/
1998 Mustang GT
'89 F150, 4" Rancho
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Unread 03-07-2013, 02:54 PM   #9
cootertwo
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1997 XJ Cherokee 
 
Join Date: Jan 2012
Location: Labelle, Florida
Posts: 180
Yup, these things need GOOD grounds. I too cleaned all the stock connections, and added a couple more ground cables. I had a basket full of made up cables from old golf carts.
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