99 xj dead,dead,dead - JeepForum.com
 
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post #1 of 8 Old 12-06-2019, 10:08 AM Thread Starter
2oldjeeps
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2000 XJ Cherokee 
 
Join Date: Aug 2017
Posts: 1,768
99 xj dead,dead,dead

last month it took a jump sometime to start but ran great.
batt died so i got a new one. it really started fast and ran good,needed a little throttle to get it to idle but was fine .
now with the new batt,clean good connectors,tested with a load box,aok, it is DEAD,
no lights,no crank, no accs. its like the batt is out but its good.
i did absolutly nothing but add the new batt and clean connectors, cables look good as new...


99wj,143,000 miles
00xj,177,000 miles
10hummer3,74,000 miles
98xj,130,000 miles
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post #2 of 8 Old 12-06-2019, 10:57 AM
Ralph77
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2000 XJ Cherokee 
 
Join Date: Aug 2015
Posts: 2,808
Did you check out the positive cable at the starter and the negative cable at the block?
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post #3 of 8 Old 12-06-2019, 04:32 PM Thread Starter
2oldjeeps
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2000 XJ Cherokee 
 
Join Date: Aug 2017
Posts: 1,768
i should be more clear. "no lights,no crank, no accs"
it acts like the batt is not in the vehicle.
"tested with a load box," i connect a load to the batt connectors. it reads 12v+ with a 40 amp load. same from + to block so cables are good.
ill do more when warmer.
seems strange going from running good to DEAD , like no batt in the car...
like everything opened at once...

99wj,143,000 miles
00xj,177,000 miles
10hummer3,74,000 miles
98xj,130,000 miles
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post #4 of 8 Old 12-06-2019, 09:16 PM
car6car
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Posts: 203
Alternator is dead most likely. did you notice voltage when engine was running? There is voltmeter in speedometer.
You can also buy cigarette lighter voltmeter from ebay
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post #5 of 8 Old 12-07-2019, 12:15 AM
JWELK
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1999 XJ Cherokee 
 
Join Date: Apr 2011
Location: Ceiba
Posts: 1,178
Quote:
Originally Posted by 2oldjeeps View Post
i should be more clear. "no lights,no crank, no accs"
it acts like the batt is not in the vehicle.
"tested with a load box," i connect a load to the batt connectors. it reads 12v+ with a 40 amp load. same from + to block so cables are good.
ill do more when warmer.
seems strange going from running good to DEAD , like no batt in the car...
like everything opened at once...
Those tests verified the ground to block, but not to the chassis. If that tests good, do the positive. First block to starter solenoid, then block to PDC. Test all the 40 Amp fuses. If there's a 50 do that one also. Go to both top tabs on all the fuses. These feed all the rest.
Strange to say the least.
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post #6 of 8 Old 12-07-2019, 03:51 PM Thread Starter
2oldjeeps
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2000 XJ Cherokee 
 
Join Date: Aug 2017
Posts: 1,768
ok,its fixed.
this jeep came to me really worked on! but i liked the wheels.

batt cables had ring terminals bolted to 2 aluminum bars that were bolted to a side term batt

that i replaced yrs ago with a reg batt.i put on heavy lead terminals with a stud and wingnut.heavy stuff.
so i put this new batt in in nov and it ran great till it suddenly died as i said
when i checked with the load i clipped on th +alum bar AND WAS making contact with the wingnut! i guess. today i moved 1 inch on the alum and got nothing!! couldnt believe my eyes. it was so tight i needed plyers to loosen.


i twisted the bar while tightening, really tight. reached in the window, zing started and idled with no throttle.
the alum must have oxidized,perfect insulator!! thanks...

99wj,143,000 miles
00xj,177,000 miles
10hummer3,74,000 miles
98xj,130,000 miles
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post #7 of 8 Old 12-08-2019, 04:54 AM
JWELK
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1999 XJ Cherokee 
 
Join Date: Apr 2011
Location: Ceiba
Posts: 1,178
Thanx for the update...........back on the road again
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post #8 of 8 Old 12-08-2019, 11:19 PM
corkgiants
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1999 TJ Wrangler 
 
Join Date: Aug 2019
Posts: 12
I agree looks like that same problem I had.
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